/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:32,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:32,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:32,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:32,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:32,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:32,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:32,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:32,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:32,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:32,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:32,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:32,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:32,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:32,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:32,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:32,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:32,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:32,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:32,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:32,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:32,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:32,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:32,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:32,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:32,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:32,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:32,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:32,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:32,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:32,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:32,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:32,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:32,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:32,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:32,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:32,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:32,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:32,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:32,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:32,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:32,596 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:32,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:32,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:32,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:32,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:32,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:32,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:32,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:32,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:32,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:32,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:32,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:32,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:32,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:32,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:32,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:32,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:32,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:32,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:32,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:32,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:32,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:32,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:32,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:32,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:32,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:32,989 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:32,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2020-12-22 06:56:33,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e39c5cd6b/5113a594720e47d08a6163dd01bce61b/FLAG72c6a51ee [2020-12-22 06:56:33,776 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:33,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2020-12-22 06:56:33,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e39c5cd6b/5113a594720e47d08a6163dd01bce61b/FLAG72c6a51ee [2020-12-22 06:56:34,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e39c5cd6b/5113a594720e47d08a6163dd01bce61b [2020-12-22 06:56:34,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:34,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:34,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:34,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:34,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:34,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8cea9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34, skipping insertion in model container [2020-12-22 06:56:34,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:34,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:34,533 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2020-12-22 06:56:34,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:34,551 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:34,676 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2020-12-22 06:56:34,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:34,737 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:34,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34 WrapperNode [2020-12-22 06:56:34,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:34,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:34,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:34,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:34,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:34,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:34,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:34,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:34,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... [2020-12-22 06:56:34,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:34,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:34,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:34,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:34,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:36,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:36,204 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2020-12-22 06:56:36,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:36 BoogieIcfgContainer [2020-12-22 06:56:36,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:36,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:36,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:36,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:36,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:34" (1/3) ... [2020-12-22 06:56:36,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7161f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:36, skipping insertion in model container [2020-12-22 06:56:36,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:34" (2/3) ... [2020-12-22 06:56:36,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7161f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:36, skipping insertion in model container [2020-12-22 06:56:36,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:36" (3/3) ... [2020-12-22 06:56:36,224 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2020-12-22 06:56:36,235 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:36,241 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:36,263 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:36,309 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:36,309 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:36,309 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:36,309 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:36,310 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:36,310 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:36,310 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:36,310 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-12-22 06:56:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:36,341 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:36,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:36,343 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:36,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:36,351 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2020-12-22 06:56:36,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:36,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058666417] [2020-12-22 06:56:36,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:36,637 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 06:56:36,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058666417] [2020-12-22 06:56:36,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:36,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:36,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903973553] [2020-12-22 06:56:36,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:36,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:36,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:36,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:36,662 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2020-12-22 06:56:36,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:36,701 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2020-12-22 06:56:36,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:36,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:36,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:36,725 INFO L225 Difference]: With dead ends: 208 [2020-12-22 06:56:36,725 INFO L226 Difference]: Without dead ends: 103 [2020-12-22 06:56:36,730 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 06:56:36,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-12-22 06:56:36,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-12-22 06:56:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-12-22 06:56:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-12-22 06:56:36,801 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-12-22 06:56:36,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:36,802 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-12-22 06:56:36,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-12-22 06:56:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:36,806 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:36,806 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 06:56:36,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:36,808 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:36,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:36,811 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2020-12-22 06:56:36,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:36,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268218812] [2020-12-22 06:56:36,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:36,985 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 06:56:36,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268218812] [2020-12-22 06:56:36,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:36,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:36,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624944439] [2020-12-22 06:56:36,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:36,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:36,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:36,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:36,990 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-12-22 06:56:37,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:37,003 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-12-22 06:56:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:37,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:37,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:37,005 INFO L225 Difference]: With dead ends: 103 [2020-12-22 06:56:37,005 INFO L226 Difference]: Without dead ends: 45 [2020-12-22 06:56:37,007 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 06:56:37,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-22 06:56:37,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-22 06:56:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-22 06:56:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-12-22 06:56:37,013 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-12-22 06:56:37,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:37,013 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-12-22 06:56:37,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-12-22 06:56:37,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:37,015 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:37,015 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 06:56:37,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:37,015 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:37,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:37,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2020-12-22 06:56:37,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:37,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275238275] [2020-12-22 06:56:37,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:37,171 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 06:56:37,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275238275] [2020-12-22 06:56:37,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:37,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:37,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743394215] [2020-12-22 06:56:37,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:37,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:37,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:37,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:37,175 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-12-22 06:56:37,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:37,218 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-12-22 06:56:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:37,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:37,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:37,222 INFO L225 Difference]: With dead ends: 123 [2020-12-22 06:56:37,222 INFO L226 Difference]: Without dead ends: 84 [2020-12-22 06:56:37,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-12-22 06:56:37,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-12-22 06:56:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-22 06:56:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2020-12-22 06:56:37,251 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2020-12-22 06:56:37,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:37,254 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2020-12-22 06:56:37,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:37,254 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2020-12-22 06:56:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:37,255 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:37,256 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 06:56:37,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:37,260 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:37,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:37,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2020-12-22 06:56:37,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:37,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361487575] [2020-12-22 06:56:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:37,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361487575] [2020-12-22 06:56:37,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:37,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:37,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512092709] [2020-12-22 06:56:37,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:37,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:37,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:37,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:37,433 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 5 states. [2020-12-22 06:56:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:37,603 INFO L93 Difference]: Finished difference Result 329 states and 497 transitions. [2020-12-22 06:56:37,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:37,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:56:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:37,606 INFO L225 Difference]: With dead ends: 329 [2020-12-22 06:56:37,606 INFO L226 Difference]: Without dead ends: 255 [2020-12-22 06:56:37,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:37,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-12-22 06:56:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 148. [2020-12-22 06:56:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-22 06:56:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 215 transitions. [2020-12-22 06:56:37,630 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 215 transitions. Word has length 24 [2020-12-22 06:56:37,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:37,630 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 215 transitions. [2020-12-22 06:56:37,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2020-12-22 06:56:37,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:37,632 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:37,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:37,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:37,633 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:37,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:37,634 INFO L82 PathProgramCache]: Analyzing trace with hash 576039046, now seen corresponding path program 1 times [2020-12-22 06:56:37,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:37,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516750621] [2020-12-22 06:56:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:37,740 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 06:56:37,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516750621] [2020-12-22 06:56:37,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:37,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:37,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815255464] [2020-12-22 06:56:37,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:37,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:37,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:37,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:37,746 INFO L87 Difference]: Start difference. First operand 148 states and 215 transitions. Second operand 5 states. [2020-12-22 06:56:37,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:37,840 INFO L93 Difference]: Finished difference Result 300 states and 451 transitions. [2020-12-22 06:56:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:37,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:56:37,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:37,841 INFO L225 Difference]: With dead ends: 300 [2020-12-22 06:56:37,841 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:37,842 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 06:56:37,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:37,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:37,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:56:37,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:37,844 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:37,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:37,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:37,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:37,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:38,097 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2020-12-22 06:56:38,097 INFO L185 CegarLoopUtils]: At program point L168(lines 1 957) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:38,097 INFO L189 CegarLoopUtils]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,098 INFO L189 CegarLoopUtils]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,098 INFO L189 CegarLoopUtils]: For program point L897-3(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,098 INFO L189 CegarLoopUtils]: For program point L897-5(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,098 INFO L189 CegarLoopUtils]: For program point L897-6(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,099 INFO L189 CegarLoopUtils]: For program point L897-8(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,099 INFO L189 CegarLoopUtils]: For program point L897-9(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,099 INFO L189 CegarLoopUtils]: For program point L897-11(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,099 INFO L189 CegarLoopUtils]: For program point L897-12(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,099 INFO L189 CegarLoopUtils]: For program point L897-14(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,099 INFO L189 CegarLoopUtils]: For program point L897-15(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,100 INFO L189 CegarLoopUtils]: For program point L897-17(lines 897 901) no Hoare annotation was computed. [2020-12-22 06:56:38,100 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:38,100 INFO L185 CegarLoopUtils]: At program point L700(lines 651 701) the Hoare annotation is: false [2020-12-22 06:56:38,100 INFO L189 CegarLoopUtils]: For program point L932(lines 932 945) no Hoare annotation was computed. [2020-12-22 06:56:38,101 INFO L185 CegarLoopUtils]: At program point L932-1(lines 1 957) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,101 INFO L189 CegarLoopUtils]: For program point L932-2(lines 932 945) no Hoare annotation was computed. [2020-12-22 06:56:38,101 INFO L185 CegarLoopUtils]: At program point L932-3(lines 1 957) the Hoare annotation is: false [2020-12-22 06:56:38,101 INFO L189 CegarLoopUtils]: For program point L932-4(lines 932 945) no Hoare annotation was computed. [2020-12-22 06:56:38,101 INFO L185 CegarLoopUtils]: At program point L932-5(lines 1 957) the Hoare annotation is: false [2020-12-22 06:56:38,101 INFO L185 CegarLoopUtils]: At program point L636(lines 631 639) the Hoare annotation is: false [2020-12-22 06:56:38,101 INFO L185 CegarLoopUtils]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2020-12-22 06:56:38,101 INFO L189 CegarLoopUtils]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-12-22 06:56:38,102 INFO L185 CegarLoopUtils]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2020-12-22 06:56:38,102 INFO L185 CegarLoopUtils]: At program point L636-3(lines 631 639) the Hoare annotation is: false [2020-12-22 06:56:38,102 INFO L185 CegarLoopUtils]: At program point L636-4(lines 631 639) the Hoare annotation is: false [2020-12-22 06:56:38,102 INFO L185 CegarLoopUtils]: At program point L636-5(lines 631 639) the Hoare annotation is: false [2020-12-22 06:56:38,102 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:56:38,102 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2020-12-22 06:56:38,102 INFO L185 CegarLoopUtils]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:38,103 INFO L189 CegarLoopUtils]: For program point L936(lines 936 942) no Hoare annotation was computed. [2020-12-22 06:56:38,103 INFO L185 CegarLoopUtils]: At program point L903(lines 888 906) the Hoare annotation is: false [2020-12-22 06:56:38,103 INFO L185 CegarLoopUtils]: At program point L903-1(lines 888 906) the Hoare annotation is: false [2020-12-22 06:56:38,103 INFO L189 CegarLoopUtils]: For program point L936-2(lines 936 942) no Hoare annotation was computed. [2020-12-22 06:56:38,103 INFO L185 CegarLoopUtils]: At program point L903-2(lines 888 906) the Hoare annotation is: false [2020-12-22 06:56:38,104 INFO L185 CegarLoopUtils]: At program point L903-3(lines 888 906) the Hoare annotation is: false [2020-12-22 06:56:38,104 INFO L189 CegarLoopUtils]: For program point L936-4(lines 936 942) no Hoare annotation was computed. [2020-12-22 06:56:38,104 INFO L185 CegarLoopUtils]: At program point L903-4(lines 888 906) the Hoare annotation is: false [2020-12-22 06:56:38,106 INFO L185 CegarLoopUtils]: At program point L903-5(lines 888 906) the Hoare annotation is: false [2020-12-22 06:56:38,109 INFO L189 CegarLoopUtils]: For program point L672(lines 672 678) no Hoare annotation was computed. [2020-12-22 06:56:38,109 INFO L185 CegarLoopUtils]: At program point L672-1(lines 672 678) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,110 INFO L185 CegarLoopUtils]: At program point L839(lines 832 842) the Hoare annotation is: false [2020-12-22 06:56:38,110 INFO L185 CegarLoopUtils]: At program point L839-1(lines 832 842) the Hoare annotation is: false [2020-12-22 06:56:38,110 INFO L185 CegarLoopUtils]: At program point L839-2(lines 832 842) the Hoare annotation is: false [2020-12-22 06:56:38,111 INFO L189 CegarLoopUtils]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-12-22 06:56:38,111 INFO L189 CegarLoopUtils]: For program point L778-1(lines 778 795) no Hoare annotation was computed. [2020-12-22 06:56:38,112 INFO L189 CegarLoopUtils]: For program point L778-2(lines 778 795) no Hoare annotation was computed. [2020-12-22 06:56:38,112 INFO L189 CegarLoopUtils]: For program point L911(lines 911 917) no Hoare annotation was computed. [2020-12-22 06:56:38,112 INFO L185 CegarLoopUtils]: At program point L911-1(lines 911 917) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,112 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:38,112 INFO L189 CegarLoopUtils]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-12-22 06:56:38,112 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:56:38,113 INFO L189 CegarLoopUtils]: For program point L682(lines 682 695) no Hoare annotation was computed. [2020-12-22 06:56:38,113 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:56:38,114 INFO L185 CegarLoopUtils]: At program point L848(lines 843 851) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,114 INFO L185 CegarLoopUtils]: At program point L848-1(lines 843 851) the Hoare annotation is: false [2020-12-22 06:56:38,114 INFO L189 CegarLoopUtils]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-12-22 06:56:38,114 INFO L185 CegarLoopUtils]: At program point L848-2(lines 843 851) the Hoare annotation is: false [2020-12-22 06:56:38,114 INFO L189 CegarLoopUtils]: For program point L782-1(lines 782 790) no Hoare annotation was computed. [2020-12-22 06:56:38,114 INFO L189 CegarLoopUtils]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-12-22 06:56:38,114 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:38,114 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:56:38,114 INFO L189 CegarLoopUtils]: For program point L58-1(lines 720 726) no Hoare annotation was computed. [2020-12-22 06:56:38,114 INFO L189 CegarLoopUtils]: For program point L752(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L752-1(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L752-2(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L653(lines 652 699) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L752-3(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L752-4(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L752-5(lines 752 769) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L185 CegarLoopUtils]: At program point L720(lines 719 738) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L654(lines 654 658) no Hoare annotation was computed. [2020-12-22 06:56:38,115 INFO L185 CegarLoopUtils]: At program point L720-2(lines 719 738) the Hoare annotation is: false [2020-12-22 06:56:38,115 INFO L185 CegarLoopUtils]: At program point L720-3(lines 719 738) the Hoare annotation is: false [2020-12-22 06:56:38,115 INFO L189 CegarLoopUtils]: For program point L688(lines 688 694) no Hoare annotation was computed. [2020-12-22 06:56:38,116 INFO L185 CegarLoopUtils]: At program point L688-1(lines 720 726) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,116 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:38,116 INFO L189 CegarLoopUtils]: For program point L954(line 954) no Hoare annotation was computed. [2020-12-22 06:56:38,116 INFO L189 CegarLoopUtils]: For program point L954-1(line 954) no Hoare annotation was computed. [2020-12-22 06:56:38,116 INFO L189 CegarLoopUtils]: For program point L954-2(line 954) no Hoare annotation was computed. [2020-12-22 06:56:38,119 INFO L189 CegarLoopUtils]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:56:38,119 INFO L189 CegarLoopUtils]: For program point L756-1(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:56:38,119 INFO L189 CegarLoopUtils]: For program point L756-2(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:56:38,119 INFO L189 CegarLoopUtils]: For program point L756-3(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:56:38,120 INFO L189 CegarLoopUtils]: For program point L756-4(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:56:38,120 INFO L189 CegarLoopUtils]: For program point L756-5(lines 756 764) no Hoare annotation was computed. [2020-12-22 06:56:38,120 INFO L189 CegarLoopUtils]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-12-22 06:56:38,120 INFO L189 CegarLoopUtils]: For program point L558-3(lines 558 562) no Hoare annotation was computed. [2020-12-22 06:56:38,120 INFO L189 CegarLoopUtils]: For program point L558-6(lines 558 562) no Hoare annotation was computed. [2020-12-22 06:56:38,120 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:38,120 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2020-12-22 06:56:38,121 INFO L185 CegarLoopUtils]: At program point L627(lines 622 630) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,121 INFO L185 CegarLoopUtils]: At program point L627-1(lines 622 630) the Hoare annotation is: false [2020-12-22 06:56:38,121 INFO L185 CegarLoopUtils]: At program point L627-2(lines 622 630) the Hoare annotation is: false [2020-12-22 06:56:38,121 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:56:38,121 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:56:38,121 INFO L185 CegarLoopUtils]: At program point L727(lines 727 733) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,121 INFO L185 CegarLoopUtils]: At program point L727-1(lines 727 733) the Hoare annotation is: false [2020-12-22 06:56:38,121 INFO L185 CegarLoopUtils]: At program point L727-2(lines 727 733) the Hoare annotation is: false [2020-12-22 06:56:38,121 INFO L185 CegarLoopUtils]: At program point L595(lines 590 598) the Hoare annotation is: false [2020-12-22 06:56:38,122 INFO L185 CegarLoopUtils]: At program point L595-1(lines 590 598) the Hoare annotation is: false [2020-12-22 06:56:38,122 INFO L185 CegarLoopUtils]: At program point L595-2(lines 590 598) the Hoare annotation is: false [2020-12-22 06:56:38,122 INFO L189 CegarLoopUtils]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:56:38,122 INFO L185 CegarLoopUtils]: At program point L662-1(lines 662 668) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:38,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:38 BoogieIcfgContainer [2020-12-22 06:56:38,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:38,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:38,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:38,153 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:38,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:36" (3/4) ... [2020-12-22 06:56:38,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:38,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:38,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:38,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:38,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:38,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:38,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:38,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:38,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:56:38,311 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product31.cil.c-witness.graphml [2020-12-22 06:56:38,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:38,314 INFO L168 Benchmark]: Toolchain (without parser) took 4250.25 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 124.4 MB in the beginning and 70.1 MB in the end (delta: 54.3 MB). Peak memory consumption was 92.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:38,314 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:38,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 102.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:38,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.64 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 99.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:38,316 INFO L168 Benchmark]: Boogie Preprocessor took 93.97 ms. Allocated memory is still 151.0 MB. Free memory was 99.2 MB in the beginning and 96.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:38,316 INFO L168 Benchmark]: RCFGBuilder took 1234.46 ms. Allocated memory is still 151.0 MB. Free memory was 96.6 MB in the beginning and 87.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:38,316 INFO L168 Benchmark]: TraceAbstraction took 1941.91 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 86.9 MB in the beginning and 79.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 46.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:38,317 INFO L168 Benchmark]: Witness Printer took 158.74 ms. Allocated memory is still 188.7 MB. Free memory was 79.5 MB in the beginning and 70.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:38,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 671.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 102.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 136.64 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 99.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.97 ms. Allocated memory is still 151.0 MB. Free memory was 99.2 MB in the beginning and 96.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1234.46 ms. Allocated memory is still 151.0 MB. Free memory was 96.6 MB in the beginning and 87.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1941.91 ms. Allocated memory was 151.0 MB in the beginning and 188.7 MB in the end (delta: 37.7 MB). Free memory was 86.9 MB in the beginning and 79.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 46.7 MB. Max. memory is 8.0 GB. * Witness Printer took 158.74 ms. Allocated memory is still 188.7 MB. Free memory was 79.5 MB in the beginning and 70.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 954]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 954]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 954]: 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: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 432 SDtfs, 416 SDslu, 343 SDs, 0 SdLazy, 74 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred 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, 111 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 106 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4745 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...