/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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:52:54,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:52:54,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:52:54,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:52:54,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:52:54,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:52:54,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:52:54,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:52:54,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:52:54,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:52:54,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:52:54,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:52:54,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:52:54,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:52:54,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:52:54,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:52:54,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:52:54,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:52:54,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:52:54,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:52:54,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:52:54,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:52:54,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:52:54,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:52:54,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 06:52:54,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 06:52:54,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 06:52:54,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 06:52:54,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 06:52:54,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 06:52:54,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:52:54,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:52:54,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:52:54,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:52:54,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:52:54,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:52:54,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:52:54,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:52:54,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:52:54,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:52:54,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:52:54,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:52:54,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:52:54,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:52:54,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:52:54,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:52:54,371 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:52:54,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:52:54,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:52:54,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:52:54,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:52:54,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:52:54,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:52:54,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:52:54,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:52:54,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:52:54,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:52:54,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:52:54,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:52:54,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:52:54,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:52:54,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:52:54,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:52:54,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:52:54,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:52:54,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:52:54,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:52:54,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:52:54,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:52:54,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:52:54,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:52:54,879 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:52:54,880 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:52:54,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-12-22 06:52:54,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760e7d484/86d7f1234b594a2c93d8ddecbb9a7601/FLAGc1166e9e9 [2020-12-22 06:52:55,773 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:52:55,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-12-22 06:52:55,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760e7d484/86d7f1234b594a2c93d8ddecbb9a7601/FLAGc1166e9e9 [2020-12-22 06:52:55,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/760e7d484/86d7f1234b594a2c93d8ddecbb9a7601 [2020-12-22 06:52:55,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:52:55,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:52:55,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:55,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:52:55,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:52:55,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:55" (1/1) ... [2020-12-22 06:52:55,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47abfa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:55, skipping insertion in model container [2020-12-22 06:52:55,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:55" (1/1) ... [2020-12-22 06:52:56,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:52:56,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:52:56,203 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_product20.cil.c[1281,1294] [2020-12-22 06:52:56,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:56,418 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:52:56,435 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_product20.cil.c[1281,1294] [2020-12-22 06:52:56,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:56,546 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:52:56,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56 WrapperNode [2020-12-22 06:52:56,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:56,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:56,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:52:56,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:52:56,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:56,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:52:56,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:52:56,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:52:56,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (1/1) ... [2020-12-22 06:52:56,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:52:56,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:52:56,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:52:56,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:52:56,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (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 06:52:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:52:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:52:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:52:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:52:57,792 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:52:57,792 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2020-12-22 06:52:57,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:57 BoogieIcfgContainer [2020-12-22 06:52:57,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:52:57,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:52:57,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:52:57,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:52:57,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:52:55" (1/3) ... [2020-12-22 06:52:57,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c01adee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:57, skipping insertion in model container [2020-12-22 06:52:57,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:56" (2/3) ... [2020-12-22 06:52:57,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c01adee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:57, skipping insertion in model container [2020-12-22 06:52:57,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:57" (3/3) ... [2020-12-22 06:52:57,805 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-12-22 06:52:57,813 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:52:57,819 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:52:57,839 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:52:57,866 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:52:57,866 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:52:57,867 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:52:57,867 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:52:57,867 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:52:57,867 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:52:57,867 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:52:57,867 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:52:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2020-12-22 06:52:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:52:57,894 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:57,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:57,895 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:57,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:57,902 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2020-12-22 06:52:57,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:57,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207342853] [2020-12-22 06:52:57,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:58,183 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 06:52:58,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207342853] [2020-12-22 06:52:58,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:58,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:52:58,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701881857] [2020-12-22 06:52:58,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:52:58,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:58,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:52:58,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:52:58,212 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2020-12-22 06:52:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:58,259 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2020-12-22 06:52:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:52:58,261 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:52:58,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:58,293 INFO L225 Difference]: With dead ends: 148 [2020-12-22 06:52:58,293 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:52:58,301 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 06:52:58,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:52:58,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-22 06:52:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:52:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-12-22 06:52:58,365 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-12-22 06:52:58,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:58,366 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-12-22 06:52:58,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:52:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-12-22 06:52:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:52:58,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:58,370 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 06:52:58,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:52:58,373 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:58,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2020-12-22 06:52:58,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:58,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858895402] [2020-12-22 06:52:58,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:58,531 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 06:52:58,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858895402] [2020-12-22 06:52:58,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:58,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:52:58,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976197972] [2020-12-22 06:52:58,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:52:58,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:58,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:52:58,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:58,535 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-12-22 06:52:58,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:58,546 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-12-22 06:52:58,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:52:58,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:52:58,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:58,548 INFO L225 Difference]: With dead ends: 73 [2020-12-22 06:52:58,548 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:52:58,549 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 06:52:58,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:52:58,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:52:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:52:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-12-22 06:52:58,555 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-12-22 06:52:58,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:58,555 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-12-22 06:52:58,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:52:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-22 06:52:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:52:58,556 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:58,556 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 06:52:58,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:52:58,557 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:58,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:58,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-12-22 06:52:58,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:58,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712714241] [2020-12-22 06:52:58,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:58,711 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 06:52:58,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712714241] [2020-12-22 06:52:58,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:58,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:52:58,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011014076] [2020-12-22 06:52:58,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:52:58,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:58,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:52:58,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:58,714 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-12-22 06:52:58,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:58,752 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-12-22 06:52:58,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:52:58,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:52:58,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:58,754 INFO L225 Difference]: With dead ends: 93 [2020-12-22 06:52:58,754 INFO L226 Difference]: Without dead ends: 64 [2020-12-22 06:52:58,755 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 06:52:58,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-12-22 06:52:58,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-12-22 06:52:58,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-22 06:52:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-12-22 06:52:58,768 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2020-12-22 06:52:58,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:58,769 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-12-22 06:52:58,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:52:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-12-22 06:52:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:52:58,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:58,771 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 06:52:58,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:52:58,772 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:58,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:58,773 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-12-22 06:52:58,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:58,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268537127] [2020-12-22 06:52:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:58,921 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 06:52:58,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268537127] [2020-12-22 06:52:58,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:58,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:58,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689085164] [2020-12-22 06:52:58,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:58,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:58,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:58,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:58,927 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2020-12-22 06:52:59,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:59,050 INFO L93 Difference]: Finished difference Result 298 states and 454 transitions. [2020-12-22 06:52:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:52:59,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:52:59,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:59,055 INFO L225 Difference]: With dead ends: 298 [2020-12-22 06:52:59,058 INFO L226 Difference]: Without dead ends: 244 [2020-12-22 06:52:59,059 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 06:52:59,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-12-22 06:52:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2020-12-22 06:52:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-22 06:52:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2020-12-22 06:52:59,098 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 23 [2020-12-22 06:52:59,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:59,098 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2020-12-22 06:52:59,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2020-12-22 06:52:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:52:59,100 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:59,100 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 06:52:59,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:52:59,101 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:59,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:59,102 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2020-12-22 06:52:59,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:59,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295061890] [2020-12-22 06:52:59,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:59,191 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 06:52:59,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295061890] [2020-12-22 06:52:59,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:59,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:59,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677317928] [2020-12-22 06:52:59,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:59,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:59,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:59,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:59,194 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand 5 states. [2020-12-22 06:52:59,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:59,297 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2020-12-22 06:52:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:52:59,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:52:59,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:59,300 INFO L225 Difference]: With dead ends: 304 [2020-12-22 06:52:59,300 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:52:59,303 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 06:52:59,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:52:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:52:59,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:52:59,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:52:59,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-22 06:52:59,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:59,307 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:52:59,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:52:59,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:52:59,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:52:59,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:52:59,554 INFO L185 CegarLoopUtils]: At program point L217(lines 166 218) the Hoare annotation is: false [2020-12-22 06:52:59,554 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:52:59,555 INFO L189 CegarLoopUtils]: For program point L168(lines 167 216) no Hoare annotation was computed. [2020-12-22 06:52:59,555 INFO L189 CegarLoopUtils]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-12-22 06:52:59,555 INFO L185 CegarLoopUtils]: At program point L895(lines 890 898) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:59,555 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:52:59,555 INFO L189 CegarLoopUtils]: For program point L416-3(lines 416 420) no Hoare annotation was computed. [2020-12-22 06:52:59,555 INFO L189 CegarLoopUtils]: For program point L416-6(lines 416 420) no Hoare annotation was computed. [2020-12-22 06:52:59,555 INFO L189 CegarLoopUtils]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-12-22 06:52:59,556 INFO L189 CegarLoopUtils]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2020-12-22 06:52:59,556 INFO L189 CegarLoopUtils]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2020-12-22 06:52:59,556 INFO L189 CegarLoopUtils]: For program point L169(lines 169 173) no Hoare annotation was computed. [2020-12-22 06:52:59,556 INFO L189 CegarLoopUtils]: For program point L187(lines 187 193) no Hoare annotation was computed. [2020-12-22 06:52:59,556 INFO L185 CegarLoopUtils]: At program point L187-1(lines 187 193) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,556 INFO L189 CegarLoopUtils]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-12-22 06:52:59,557 INFO L185 CegarLoopUtils]: At program point L205-1(lines 241 247) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,557 INFO L185 CegarLoopUtils]: At program point L453(lines 448 456) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,557 INFO L185 CegarLoopUtils]: At program point L453-1(lines 448 456) the Hoare annotation is: false [2020-12-22 06:52:59,557 INFO L185 CegarLoopUtils]: At program point L453-2(lines 448 456) the Hoare annotation is: false [2020-12-22 06:52:59,557 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:52:59,557 INFO L189 CegarLoopUtils]: For program point L273(lines 273 290) no Hoare annotation was computed. [2020-12-22 06:52:59,557 INFO L189 CegarLoopUtils]: For program point L273-1(lines 273 290) no Hoare annotation was computed. [2020-12-22 06:52:59,558 INFO L189 CegarLoopUtils]: For program point L273-2(lines 273 290) no Hoare annotation was computed. [2020-12-22 06:52:59,558 INFO L189 CegarLoopUtils]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-12-22 06:52:59,558 INFO L192 CegarLoopUtils]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2020-12-22 06:52:59,558 INFO L189 CegarLoopUtils]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-12-22 06:52:59,558 INFO L185 CegarLoopUtils]: At program point L389-1(lines 389 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,558 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:52:59,559 INFO L185 CegarLoopUtils]: At program point L241(lines 240 259) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,559 INFO L189 CegarLoopUtils]: For program point L241-1(lines 241 247) no Hoare annotation was computed. [2020-12-22 06:52:59,559 INFO L185 CegarLoopUtils]: At program point L241-2(lines 240 259) the Hoare annotation is: false [2020-12-22 06:52:59,559 INFO L185 CegarLoopUtils]: At program point L241-3(lines 240 259) the Hoare annotation is: false [2020-12-22 06:52:59,559 INFO L189 CegarLoopUtils]: For program point L440(lines 440 444) no Hoare annotation was computed. [2020-12-22 06:52:59,559 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:52:59,559 INFO L185 CegarLoopUtils]: At program point L887(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:59,560 INFO L189 CegarLoopUtils]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-12-22 06:52:59,560 INFO L189 CegarLoopUtils]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2020-12-22 06:52:59,560 INFO L189 CegarLoopUtils]: For program point L375-3(lines 375 379) no Hoare annotation was computed. [2020-12-22 06:52:59,560 INFO L189 CegarLoopUtils]: For program point L375-5(lines 375 379) no Hoare annotation was computed. [2020-12-22 06:52:59,560 INFO L189 CegarLoopUtils]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-12-22 06:52:59,560 INFO L189 CegarLoopUtils]: For program point L375-6(lines 375 379) no Hoare annotation was computed. [2020-12-22 06:52:59,561 INFO L185 CegarLoopUtils]: At program point L177-1(lines 177 183) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,561 INFO L189 CegarLoopUtils]: For program point L375-8(lines 375 379) no Hoare annotation was computed. [2020-12-22 06:52:59,561 INFO L185 CegarLoopUtils]: At program point L326(lines 321 329) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,561 INFO L185 CegarLoopUtils]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-12-22 06:52:59,561 INFO L185 CegarLoopUtils]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-12-22 06:52:59,561 INFO L189 CegarLoopUtils]: For program point L277(lines 277 285) no Hoare annotation was computed. [2020-12-22 06:52:59,562 INFO L189 CegarLoopUtils]: For program point L277-1(lines 277 285) no Hoare annotation was computed. [2020-12-22 06:52:59,562 INFO L189 CegarLoopUtils]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2020-12-22 06:52:59,562 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:52:59,562 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:52:59,562 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:52:59,562 INFO L185 CegarLoopUtils]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2020-12-22 06:52:59,562 INFO L189 CegarLoopUtils]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-22 06:52:59,563 INFO L185 CegarLoopUtils]: At program point L114(lines 110 116) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:59,563 INFO L185 CegarLoopUtils]: At program point L494(lines 489 497) the Hoare annotation is: false [2020-12-22 06:52:59,563 INFO L185 CegarLoopUtils]: At program point L494-1(lines 489 497) the Hoare annotation is: false [2020-12-22 06:52:59,563 INFO L189 CegarLoopUtils]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-12-22 06:52:59,563 INFO L185 CegarLoopUtils]: At program point L494-2(lines 489 497) the Hoare annotation is: false [2020-12-22 06:52:59,563 INFO L189 CegarLoopUtils]: For program point L197(lines 197 212) no Hoare annotation was computed. [2020-12-22 06:52:59,563 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:52:59,564 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:52:59,564 INFO L189 CegarLoopUtils]: For program point L908(lines 908 921) no Hoare annotation was computed. [2020-12-22 06:52:59,564 INFO L185 CegarLoopUtils]: At program point L908-1(lines 1 924) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,564 INFO L189 CegarLoopUtils]: For program point L908-2(lines 908 921) no Hoare annotation was computed. [2020-12-22 06:52:59,564 INFO L185 CegarLoopUtils]: At program point L908-3(lines 1 924) the Hoare annotation is: false [2020-12-22 06:52:59,564 INFO L189 CegarLoopUtils]: For program point L908-4(lines 908 921) no Hoare annotation was computed. [2020-12-22 06:52:59,564 INFO L185 CegarLoopUtils]: At program point L908-5(lines 1 924) the Hoare annotation is: false [2020-12-22 06:52:59,565 INFO L185 CegarLoopUtils]: At program point L248(lines 248 254) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:52:59,565 INFO L185 CegarLoopUtils]: At program point L248-1(lines 248 254) the Hoare annotation is: false [2020-12-22 06:52:59,565 INFO L185 CegarLoopUtils]: At program point L248-2(lines 248 254) the Hoare annotation is: false [2020-12-22 06:52:59,565 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:52:59,565 INFO L189 CegarLoopUtils]: For program point L67-1(lines 241 247) no Hoare annotation was computed. [2020-12-22 06:52:59,565 INFO L185 CegarLoopUtils]: At program point L381(lines 366 384) the Hoare annotation is: false [2020-12-22 06:52:59,566 INFO L185 CegarLoopUtils]: At program point L381-1(lines 366 384) the Hoare annotation is: false [2020-12-22 06:52:59,566 INFO L185 CegarLoopUtils]: At program point L381-2(lines 366 384) the Hoare annotation is: false [2020-12-22 06:52:59,566 INFO L192 CegarLoopUtils]: At program point L150(lines 131 153) the Hoare annotation is: true [2020-12-22 06:52:59,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:52:59 BoogieIcfgContainer [2020-12-22 06:52:59,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:52:59,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:52:59,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:52:59,587 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:52:59,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:57" (3/4) ... [2020-12-22 06:52:59,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:52:59,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:52:59,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:52:59,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:52:59,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:52:59,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:52:59,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:59,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:59,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:52:59,725 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product20.cil.c-witness.graphml [2020-12-22 06:52:59,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:52:59,731 INFO L168 Benchmark]: Toolchain (without parser) took 3743.31 ms. Allocated memory was 168.8 MB in the beginning and 204.5 MB in the end (delta: 35.7 MB). Free memory was 150.0 MB in the beginning and 141.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 43.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:59,731 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 168.8 MB. Free memory is still 141.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:52:59,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.54 ms. Allocated memory is still 168.8 MB. Free memory was 150.0 MB in the beginning and 129.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:59,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.82 ms. Allocated memory is still 168.8 MB. Free memory was 129.4 MB in the beginning and 149.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:59,733 INFO L168 Benchmark]: Boogie Preprocessor took 74.80 ms. Allocated memory is still 168.8 MB. Free memory was 149.8 MB in the beginning and 147.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:59,733 INFO L168 Benchmark]: RCFGBuilder took 1035.40 ms. Allocated memory was 168.8 MB in the beginning and 204.5 MB in the end (delta: 35.7 MB). Free memory was 147.7 MB in the beginning and 179.2 MB in the end (delta: -31.5 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:59,734 INFO L168 Benchmark]: TraceAbstraction took 1789.71 ms. Allocated memory is still 204.5 MB. Free memory was 178.7 MB in the beginning and 147.9 MB in the end (delta: 30.7 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:59,734 INFO L168 Benchmark]: Witness Printer took 138.17 ms. Allocated memory is still 204.5 MB. Free memory was 147.9 MB in the beginning and 141.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:59,737 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 168.8 MB. Free memory is still 141.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 563.54 ms. Allocated memory is still 168.8 MB. Free memory was 150.0 MB in the beginning and 129.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 133.82 ms. Allocated memory is still 168.8 MB. Free memory was 129.4 MB in the beginning and 149.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 74.80 ms. Allocated memory is still 168.8 MB. Free memory was 149.8 MB in the beginning and 147.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1035.40 ms. Allocated memory was 168.8 MB in the beginning and 204.5 MB in the end (delta: 35.7 MB). Free memory was 147.7 MB in the beginning and 179.2 MB in the end (delta: -31.5 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1789.71 ms. Allocated memory is still 204.5 MB. Free memory was 178.7 MB in the beginning and 147.9 MB in the end (delta: 30.7 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. * Witness Printer took 138.17 ms. Allocated memory is still 204.5 MB. Free memory was 147.9 MB in the beginning and 141.6 MB in the end (delta: 6.3 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 352 SDslu, 333 SDs, 0 SdLazy, 47 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...