./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d243c5cece7784e202dce518871ac1b87d0254ec ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:44:02,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:02,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:02,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:02,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:02,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:02,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:02,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:02,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:02,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:02,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:02,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:02,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:02,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:02,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:02,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:02,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:02,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:02,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:02,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:02,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:02,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:02,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:02,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:02,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:02,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:02,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:02,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:02,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:02,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:02,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:02,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:02,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:02,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:02,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:02,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:02,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:02,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:02,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:02,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:02,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:03,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:03,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:03,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:03,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:03,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:03,034 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:03,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:03,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:03,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:03,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:03,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:03,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:03,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:03,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:03,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:03,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:03,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:03,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:03,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:03,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:03,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:03,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:03,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:03,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:03,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:03,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:03,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:03,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:03,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:03,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:03,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d243c5cece7784e202dce518871ac1b87d0254ec [2020-10-20 01:44:03,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:03,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:03,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:03,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:03,268 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:03,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2020-10-20 01:44:03,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb99aae4/9a21273134284fc2b3927190629698f3/FLAG5fe78b6b8 [2020-10-20 01:44:03,945 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:03,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2020-10-20 01:44:03,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb99aae4/9a21273134284fc2b3927190629698f3/FLAG5fe78b6b8 [2020-10-20 01:44:04,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bb99aae4/9a21273134284fc2b3927190629698f3 [2020-10-20 01:44:04,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:04,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:04,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:04,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:04,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:04,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:04,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32135a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04, skipping insertion in model container [2020-10-20 01:44:04,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:04,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:04,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:04,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:04,796 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:04,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:04,936 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:04,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04 WrapperNode [2020-10-20 01:44:04,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:04,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:04,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:04,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:04,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:04,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:05,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:05,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:05,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:05,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:05,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:05,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:05,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:05,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:05,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:05,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:05,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:05,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:05,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:05,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:05,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:05,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (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 [2020-10-20 01:44:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:06,030 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:06,030 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-10-20 01:44:06,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:06 BoogieIcfgContainer [2020-10-20 01:44:06,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:06,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:06,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:06,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:06,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:04" (1/3) ... [2020-10-20 01:44:06,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12752a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:06, skipping insertion in model container [2020-10-20 01:44:06,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04" (2/3) ... [2020-10-20 01:44:06,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12752a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:06, skipping insertion in model container [2020-10-20 01:44:06,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:06" (3/3) ... [2020-10-20 01:44:06,042 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2020-10-20 01:44:06,059 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:06,067 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:06,082 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:06,108 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:06,108 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:06,108 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:06,108 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:06,108 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:06,109 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:06,109 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:06,109 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:06,124 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-10-20 01:44:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:06,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:06,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:06,131 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:06,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:06,136 INFO L82 PathProgramCache]: Analyzing trace with hash 91881395, now seen corresponding path program 1 times [2020-10-20 01:44:06,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:06,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190706706] [2020-10-20 01:44:06,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:06,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190706706] [2020-10-20 01:44:06,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:06,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:06,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494975078] [2020-10-20 01:44:06,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:06,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:06,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:06,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:06,427 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-10-20 01:44:06,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:06,459 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-10-20 01:44:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:06,460 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:06,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:06,473 INFO L225 Difference]: With dead ends: 151 [2020-10-20 01:44:06,474 INFO L226 Difference]: Without dead ends: 73 [2020-10-20 01:44:06,478 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 [2020-10-20 01:44:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-20 01:44:06,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-20 01:44:06,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-20 01:44:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-10-20 01:44:06,525 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-10-20 01:44:06,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:06,526 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-10-20 01:44:06,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:06,526 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-10-20 01:44:06,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:06,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:06,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:06,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:06,529 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:06,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:06,529 INFO L82 PathProgramCache]: Analyzing trace with hash -954875502, now seen corresponding path program 1 times [2020-10-20 01:44:06,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:06,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088850851] [2020-10-20 01:44:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:06,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088850851] [2020-10-20 01:44:06,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:06,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:06,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211055556] [2020-10-20 01:44:06,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:06,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:06,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:06,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:06,688 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-10-20 01:44:06,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:06,717 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-10-20 01:44:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:06,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:06,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:06,718 INFO L225 Difference]: With dead ends: 73 [2020-10-20 01:44:06,719 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 01:44:06,720 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 [2020-10-20 01:44:06,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 01:44:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 01:44:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 01:44:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-20 01:44:06,727 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-10-20 01:44:06,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:06,727 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-20 01:44:06,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:06,728 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-20 01:44:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:06,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:06,729 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] [2020-10-20 01:44:06,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:06,730 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:06,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:06,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2020-10-20 01:44:06,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:06,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463300331] [2020-10-20 01:44:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:06,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463300331] [2020-10-20 01:44:06,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:06,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:06,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876818705] [2020-10-20 01:44:06,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:06,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:06,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:06,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:06,829 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-10-20 01:44:06,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:06,848 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-10-20 01:44:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:06,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:44:06,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:06,850 INFO L225 Difference]: With dead ends: 93 [2020-10-20 01:44:06,850 INFO L226 Difference]: Without dead ends: 64 [2020-10-20 01:44:06,851 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 [2020-10-20 01:44:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-20 01:44:06,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-10-20 01:44:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-20 01:44:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-10-20 01:44:06,862 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2020-10-20 01:44:06,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:06,862 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-10-20 01:44:06,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-10-20 01:44:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:44:06,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:06,864 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] [2020-10-20 01:44:06,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:06,864 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:06,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:06,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2020-10-20 01:44:06,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:06,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434652165] [2020-10-20 01:44:06,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:07,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434652165] [2020-10-20 01:44:07,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:07,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:07,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589076176] [2020-10-20 01:44:07,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:07,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:07,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:07,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:07,002 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 6 states. [2020-10-20 01:44:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:07,238 INFO L93 Difference]: Finished difference Result 356 states and 545 transitions. [2020-10-20 01:44:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:44:07,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-10-20 01:44:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:07,241 INFO L225 Difference]: With dead ends: 356 [2020-10-20 01:44:07,242 INFO L226 Difference]: Without dead ends: 302 [2020-10-20 01:44:07,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:44:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-20 01:44:07,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 106. [2020-10-20 01:44:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-20 01:44:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2020-10-20 01:44:07,265 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 23 [2020-10-20 01:44:07,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:07,265 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2020-10-20 01:44:07,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:07,266 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2020-10-20 01:44:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:07,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:07,267 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] [2020-10-20 01:44:07,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:07,268 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:07,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:07,268 INFO L82 PathProgramCache]: Analyzing trace with hash -597226253, now seen corresponding path program 1 times [2020-10-20 01:44:07,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:07,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644259741] [2020-10-20 01:44:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:07,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644259741] [2020-10-20 01:44:07,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:07,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:07,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868929505] [2020-10-20 01:44:07,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:07,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:07,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:07,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:07,407 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand 5 states. [2020-10-20 01:44:07,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:07,537 INFO L93 Difference]: Finished difference Result 304 states and 459 transitions. [2020-10-20 01:44:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:07,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:44:07,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:07,538 INFO L225 Difference]: With dead ends: 304 [2020-10-20 01:44:07,539 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:07,540 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 [2020-10-20 01:44:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:07,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:07,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 01:44:07,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:07,542 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:07,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:07,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:07,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:07,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:07,823 INFO L274 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-10-20 01:44:07,823 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:07,823 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:07,824 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:07,824 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:07,824 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:07,824 INFO L274 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2020-10-20 01:44:07,824 INFO L274 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2020-10-20 01:44:07,824 INFO L274 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2020-10-20 01:44:07,824 INFO L274 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2020-10-20 01:44:07,825 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-20 01:44:07,825 INFO L270 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: false [2020-10-20 01:44:07,825 INFO L274 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2020-10-20 01:44:07,825 INFO L274 CegarLoopResult]: For program point L385-1(lines 385 402) no Hoare annotation was computed. [2020-10-20 01:44:07,825 INFO L274 CegarLoopResult]: For program point L385-2(lines 385 402) no Hoare annotation was computed. [2020-10-20 01:44:07,825 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-20 01:44:07,825 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:07,826 INFO L270 CegarLoopResult]: At program point L353(lines 352 371) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,826 INFO L274 CegarLoopResult]: For program point L353-1(lines 353 359) no Hoare annotation was computed. [2020-10-20 01:44:07,826 INFO L270 CegarLoopResult]: At program point L353-2(lines 352 371) the Hoare annotation is: false [2020-10-20 01:44:07,826 INFO L270 CegarLoopResult]: At program point L353-3(lines 352 371) the Hoare annotation is: false [2020-10-20 01:44:07,826 INFO L270 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: false [2020-10-20 01:44:07,826 INFO L270 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2020-10-20 01:44:07,826 INFO L274 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-10-20 01:44:07,827 INFO L270 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2020-10-20 01:44:07,827 INFO L274 CegarLoopResult]: For program point L519(lines 519 525) no Hoare annotation was computed. [2020-10-20 01:44:07,827 INFO L270 CegarLoopResult]: At program point L519-1(lines 519 525) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,827 INFO L274 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2020-10-20 01:44:07,827 INFO L270 CegarLoopResult]: At program point L553(lines 1 930) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:07,827 INFO L274 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-10-20 01:44:07,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:07,828 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-20 01:44:07,828 INFO L274 CegarLoopResult]: For program point L58-1(lines 353 359) no Hoare annotation was computed. [2020-10-20 01:44:07,828 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-20 01:44:07,828 INFO L274 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-10-20 01:44:07,828 INFO L274 CegarLoopResult]: For program point L389-1(lines 389 397) no Hoare annotation was computed. [2020-10-20 01:44:07,828 INFO L274 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-10-20 01:44:07,829 INFO L274 CegarLoopResult]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2020-10-20 01:44:07,829 INFO L270 CegarLoopResult]: At program point L323-1(lines 353 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,829 INFO L274 CegarLoopResult]: For program point L505(lines 505 509) no Hoare annotation was computed. [2020-10-20 01:44:07,829 INFO L274 CegarLoopResult]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2020-10-20 01:44:07,829 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:07,829 INFO L274 CegarLoopResult]: For program point L505-3(lines 505 509) no Hoare annotation was computed. [2020-10-20 01:44:07,830 INFO L274 CegarLoopResult]: For program point L505-5(lines 505 509) no Hoare annotation was computed. [2020-10-20 01:44:07,830 INFO L274 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-10-20 01:44:07,830 INFO L274 CegarLoopResult]: For program point L505-6(lines 505 509) no Hoare annotation was computed. [2020-10-20 01:44:07,830 INFO L270 CegarLoopResult]: At program point L307-1(lines 307 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,830 INFO L274 CegarLoopResult]: For program point L505-8(lines 505 509) no Hoare annotation was computed. [2020-10-20 01:44:07,830 INFO L270 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,830 INFO L270 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2020-10-20 01:44:07,831 INFO L270 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2020-10-20 01:44:07,831 INFO L274 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-10-20 01:44:07,831 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-10-20 01:44:07,831 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:07,831 INFO L274 CegarLoopResult]: For program point L193-6(lines 193 197) no Hoare annotation was computed. [2020-10-20 01:44:07,831 INFO L270 CegarLoopResult]: At program point L360(lines 360 366) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,831 INFO L270 CegarLoopResult]: At program point L360-1(lines 360 366) the Hoare annotation is: false [2020-10-20 01:44:07,832 INFO L270 CegarLoopResult]: At program point L360-2(lines 360 366) the Hoare annotation is: false [2020-10-20 01:44:07,832 INFO L270 CegarLoopResult]: At program point L262(lines 257 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,832 INFO L270 CegarLoopResult]: At program point L262-1(lines 257 265) the Hoare annotation is: false [2020-10-20 01:44:07,832 INFO L270 CegarLoopResult]: At program point L262-2(lines 257 265) the Hoare annotation is: false [2020-10-20 01:44:07,832 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:07,832 INFO L270 CegarLoopResult]: At program point L511(lines 496 514) the Hoare annotation is: false [2020-10-20 01:44:07,833 INFO L270 CegarLoopResult]: At program point L511-1(lines 496 514) the Hoare annotation is: false [2020-10-20 01:44:07,833 INFO L270 CegarLoopResult]: At program point L511-2(lines 496 514) the Hoare annotation is: false [2020-10-20 01:44:07,833 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:07,833 INFO L270 CegarLoopResult]: At program point L561(lines 556 564) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:07,833 INFO L274 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-10-20 01:44:07,833 INFO L270 CegarLoopResult]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,833 INFO L274 CegarLoopResult]: For program point L165(lines 165 178) no Hoare annotation was computed. [2020-10-20 01:44:07,834 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-20 01:44:07,834 INFO L270 CegarLoopResult]: At program point L165-1(lines 1 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:07,834 INFO L274 CegarLoopResult]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2020-10-20 01:44:07,834 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-20 01:44:07,834 INFO L270 CegarLoopResult]: At program point L165-3(lines 1 930) the Hoare annotation is: false [2020-10-20 01:44:07,834 INFO L274 CegarLoopResult]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2020-10-20 01:44:07,834 INFO L270 CegarLoopResult]: At program point L165-5(lines 1 930) the Hoare annotation is: false [2020-10-20 01:44:07,835 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-20 01:44:07,835 INFO L274 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-10-20 01:44:07,835 INFO L274 CegarLoopResult]: For program point L150-2(line 150) no Hoare annotation was computed. [2020-10-20 01:44:07,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:07 BoogieIcfgContainer [2020-10-20 01:44:07,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:07,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:07,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:07,862 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:07,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:06" (3/4) ... [2020-10-20 01:44:07,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:07,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:07,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:07,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:07,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:07,889 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:07,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:07,891 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:07,928 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:44:07,992 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:07,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:07,994 INFO L168 Benchmark]: Toolchain (without parser) took 3654.94 ms. Allocated memory was 40.9 MB in the beginning and 57.1 MB in the end (delta: 16.3 MB). Free memory was 17.7 MB in the beginning and 21.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:07,995 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.6 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:07,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.75 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 16.9 MB in the beginning and 18.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:07,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.56 ms. Allocated memory is still 43.5 MB. Free memory was 18.8 MB in the beginning and 15.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:07,996 INFO L168 Benchmark]: Boogie Preprocessor took 44.41 ms. Allocated memory is still 43.5 MB. Free memory was 15.6 MB in the beginning and 13.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:07,997 INFO L168 Benchmark]: RCFGBuilder took 981.09 ms. Allocated memory was 43.5 MB in the beginning and 47.2 MB in the end (delta: 3.7 MB). Free memory was 13.1 MB in the beginning and 26.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:07,997 INFO L168 Benchmark]: TraceAbstraction took 1827.54 ms. Allocated memory was 47.2 MB in the beginning and 57.1 MB in the end (delta: 10.0 MB). Free memory was 25.8 MB in the beginning and 30.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:07,998 INFO L168 Benchmark]: Witness Printer took 130.10 ms. Allocated memory is still 57.1 MB. Free memory was 30.2 MB in the beginning and 21.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:08,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.6 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 591.75 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 16.9 MB in the beginning and 18.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 69.56 ms. Allocated memory is still 43.5 MB. Free memory was 18.8 MB in the beginning and 15.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 44.41 ms. Allocated memory is still 43.5 MB. Free memory was 15.6 MB in the beginning and 13.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 981.09 ms. Allocated memory was 43.5 MB in the beginning and 47.2 MB in the end (delta: 3.7 MB). Free memory was 13.1 MB in the beginning and 26.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1827.54 ms. Allocated memory was 47.2 MB in the beginning and 57.1 MB in the end (delta: 10.0 MB). Free memory was 25.8 MB in the beginning and 30.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 14.3 GB. * Witness Printer took 130.10 ms. Allocated memory is still 57.1 MB. Free memory was 30.2 MB in the beginning and 21.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 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: 324 SDtfs, 415 SDslu, 488 SDs, 0 SdLazy, 115 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 200 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 120 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3996 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4565 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...