./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product26.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_spec1_product26.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 60b6e6653baa7808463de65413f3436b817992e0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:41:29,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:29,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:30,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:30,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:30,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:30,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:30,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:30,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:30,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:30,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:30,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:30,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:30,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:30,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:30,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:30,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:30,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:30,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:30,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:30,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:30,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:30,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:30,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:30,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:30,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:30,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:30,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:30,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:30,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:30,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:30,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:30,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:30,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:30,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:30,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:30,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:30,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:30,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:30,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:30,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:30,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:30,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:30,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:30,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:30,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:30,086 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:30,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:30,086 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:30,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:30,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:30,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:30,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:30,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:30,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:30,088 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:30,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:30,089 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:30,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:30,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:30,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:30,090 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:30,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:30,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:30,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:30,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:30,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:30,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:30,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:30,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:30,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:30,092 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 -> 60b6e6653baa7808463de65413f3436b817992e0 [2020-10-20 01:41:30,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:30,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:30,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:30,346 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:30,347 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:30,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2020-10-20 01:41:30,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c8c243f/63f07278cd4c4d008a23affaa3f207c2/FLAG4c8a60e70 [2020-10-20 01:41:30,970 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:30,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2020-10-20 01:41:30,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c8c243f/63f07278cd4c4d008a23affaa3f207c2/FLAG4c8a60e70 [2020-10-20 01:41:31,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c8c243f/63f07278cd4c4d008a23affaa3f207c2 [2020-10-20 01:41:31,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:31,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:31,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:31,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:31,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:31,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290816fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31, skipping insertion in model container [2020-10-20 01:41:31,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:31,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:31,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:31,723 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:31,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:31,927 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:31,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31 WrapperNode [2020-10-20 01:41:31,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:31,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:31,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:31,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:31,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:31,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:31,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:31,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:32,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:32,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:32,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:32,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:32,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:32,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:32,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:32,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:32,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:32,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:32,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:32,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (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 01:41:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:32,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:32,976 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:32,977 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-20 01:41:32,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:32 BoogieIcfgContainer [2020-10-20 01:41:32,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:32,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:32,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:32,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:32,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:31" (1/3) ... [2020-10-20 01:41:32,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6108d4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:32, skipping insertion in model container [2020-10-20 01:41:32,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (2/3) ... [2020-10-20 01:41:32,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6108d4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:32, skipping insertion in model container [2020-10-20 01:41:32,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:32" (3/3) ... [2020-10-20 01:41:32,987 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2020-10-20 01:41:32,998 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:33,005 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:33,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:33,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:33,039 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:33,039 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:33,039 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:33,040 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:33,041 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:33,041 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:33,041 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-20 01:41:33,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:33,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:33,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1862271915, now seen corresponding path program 1 times [2020-10-20 01:41:33,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457674872] [2020-10-20 01:41:33,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,312 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 01:41:33,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457674872] [2020-10-20 01:41:33,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:33,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385017027] [2020-10-20 01:41:33,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:33,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:33,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:33,337 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-20 01:41:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,365 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-10-20 01:41:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:33,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:33,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,379 INFO L225 Difference]: With dead ends: 147 [2020-10-20 01:41:33,379 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:41:33,383 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 01:41:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:41:33,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 01:41:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:41:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-10-20 01:41:33,420 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-10-20 01:41:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,421 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-10-20 01:41:33,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-10-20 01:41:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:33,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,422 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 01:41:33,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:33,423 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,423 INFO L82 PathProgramCache]: Analyzing trace with hash 815515018, now seen corresponding path program 1 times [2020-10-20 01:41:33,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188295149] [2020-10-20 01:41:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,541 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 01:41:33,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188295149] [2020-10-20 01:41:33,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:33,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576210686] [2020-10-20 01:41:33,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:33,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:33,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:33,545 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-10-20 01:41:33,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,556 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-10-20 01:41:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:33,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:33,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,558 INFO L225 Difference]: With dead ends: 71 [2020-10-20 01:41:33,558 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:41:33,559 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 01:41:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:41:33,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:41:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:41:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-20 01:41:33,565 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-10-20 01:41:33,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,565 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-20 01:41:33,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-20 01:41:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:33,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,566 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 01:41:33,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:33,567 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2020-10-20 01:41:33,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836406949] [2020-10-20 01:41:33,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,698 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 01:41:33,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836406949] [2020-10-20 01:41:33,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:33,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252290911] [2020-10-20 01:41:33,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:33,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:33,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:33,702 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-10-20 01:41:33,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,735 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-10-20 01:41:33,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:33,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:41:33,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,738 INFO L225 Difference]: With dead ends: 60 [2020-10-20 01:41:33,739 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:41:33,740 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 01:41:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:41:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:41:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:41:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-10-20 01:41:33,752 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-10-20 01:41:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,753 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-10-20 01:41:33,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-10-20 01:41:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:41:33,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,756 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 01:41:33,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:33,757 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2020-10-20 01:41:33,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570134182] [2020-10-20 01:41:33,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,868 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 01:41:33,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570134182] [2020-10-20 01:41:33,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:33,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566838239] [2020-10-20 01:41:33,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:33,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:33,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:33,871 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-10-20 01:41:33,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,964 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-10-20 01:41:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:33,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 01:41:33,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,967 INFO L225 Difference]: With dead ends: 151 [2020-10-20 01:41:33,967 INFO L226 Difference]: Without dead ends: 124 [2020-10-20 01:41:33,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:41:33,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-20 01:41:33,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2020-10-20 01:41:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-20 01:41:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2020-10-20 01:41:33,980 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2020-10-20 01:41:33,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,980 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2020-10-20 01:41:33,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2020-10-20 01:41:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:33,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,982 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 01:41:33,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:33,983 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,983 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2020-10-20 01:41:33,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821398178] [2020-10-20 01:41:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:34,039 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 01:41:34,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821398178] [2020-10-20 01:41:34,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:34,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:34,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659236111] [2020-10-20 01:41:34,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:34,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:34,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:34,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:34,041 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2020-10-20 01:41:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:34,112 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2020-10-20 01:41:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:34,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:41:34,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:34,114 INFO L225 Difference]: With dead ends: 148 [2020-10-20 01:41:34,114 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:34,115 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 01:41:34,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:34,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:34,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 01:41:34,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:34,117 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:34,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:34,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:34,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:34,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:34,344 INFO L274 CegarLoopResult]: For program point L861(lines 860 907) no Hoare annotation was computed. [2020-10-20 01:41:34,344 INFO L274 CegarLoopResult]: For program point L349(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:34,344 INFO L274 CegarLoopResult]: For program point L349-1(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:34,344 INFO L274 CegarLoopResult]: For program point L349-2(lines 349 357) no Hoare annotation was computed. [2020-10-20 01:41:34,345 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,345 INFO L274 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-10-20 01:41:34,345 INFO L274 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-10-20 01:41:34,345 INFO L274 CegarLoopResult]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2020-10-20 01:41:34,345 INFO L274 CegarLoopResult]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2020-10-20 01:41:34,345 INFO L274 CegarLoopResult]: For program point L465-5(lines 465 469) no Hoare annotation was computed. [2020-10-20 01:41:34,345 INFO L274 CegarLoopResult]: For program point L465-6(lines 465 469) no Hoare annotation was computed. [2020-10-20 01:41:34,346 INFO L274 CegarLoopResult]: For program point L465-8(lines 465 469) no Hoare annotation was computed. [2020-10-20 01:41:34,346 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,346 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,346 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,346 INFO L270 CegarLoopResult]: At program point L416(lines 411 419) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,346 INFO L270 CegarLoopResult]: At program point L416-1(lines 411 419) the Hoare annotation is: false [2020-10-20 01:41:34,347 INFO L274 CegarLoopResult]: For program point L862(lines 862 866) no Hoare annotation was computed. [2020-10-20 01:41:34,347 INFO L270 CegarLoopResult]: At program point L416-2(lines 411 419) the Hoare annotation is: false [2020-10-20 01:41:34,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:34,347 INFO L274 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2020-10-20 01:41:34,347 INFO L270 CegarLoopResult]: At program point L186-1(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,347 INFO L274 CegarLoopResult]: For program point L186-2(lines 186 199) no Hoare annotation was computed. [2020-10-20 01:41:34,347 INFO L270 CegarLoopResult]: At program point L186-3(lines 1 924) the Hoare annotation is: false [2020-10-20 01:41:34,348 INFO L274 CegarLoopResult]: For program point L186-4(lines 186 199) no Hoare annotation was computed. [2020-10-20 01:41:34,348 INFO L270 CegarLoopResult]: At program point L186-5(lines 1 924) the Hoare annotation is: false [2020-10-20 01:41:34,348 INFO L274 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-10-20 01:41:34,348 INFO L270 CegarLoopResult]: At program point L880-1(lines 880 886) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,348 INFO L274 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2020-10-20 01:41:34,348 INFO L274 CegarLoopResult]: For program point L220-1(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:41:34,348 INFO L270 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: false [2020-10-20 01:41:34,349 INFO L270 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2020-10-20 01:41:34,349 INFO L274 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2020-10-20 01:41:34,349 INFO L270 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2020-10-20 01:41:34,349 INFO L274 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2020-10-20 01:41:34,349 INFO L270 CegarLoopResult]: At program point L898-2(lines 313 319) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,350 INFO L270 CegarLoopResult]: At program point L320(lines 320 326) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,350 INFO L270 CegarLoopResult]: At program point L320-1(lines 320 326) the Hoare annotation is: false [2020-10-20 01:41:34,350 INFO L270 CegarLoopResult]: At program point L320-2(lines 320 326) the Hoare annotation is: false [2020-10-20 01:41:34,350 INFO L274 CegarLoopResult]: For program point L289(lines 289 296) no Hoare annotation was computed. [2020-10-20 01:41:34,350 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:34,350 INFO L277 CegarLoopResult]: At program point L289-1(lines 289 296) the Hoare annotation is: true [2020-10-20 01:41:34,350 INFO L274 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-10-20 01:41:34,350 INFO L274 CegarLoopResult]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2020-10-20 01:41:34,351 INFO L274 CegarLoopResult]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2020-10-20 01:41:34,351 INFO L270 CegarLoopResult]: At program point L471(lines 456 474) the Hoare annotation is: false [2020-10-20 01:41:34,351 INFO L270 CegarLoopResult]: At program point L471-1(lines 456 474) the Hoare annotation is: false [2020-10-20 01:41:34,351 INFO L270 CegarLoopResult]: At program point L471-2(lines 456 474) the Hoare annotation is: false [2020-10-20 01:41:34,351 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:34,351 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,352 INFO L274 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-10-20 01:41:34,352 INFO L274 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-10-20 01:41:34,352 INFO L274 CegarLoopResult]: For program point L93-6(lines 93 97) no Hoare annotation was computed. [2020-10-20 01:41:34,352 INFO L274 CegarLoopResult]: For program point L870(lines 870 876) no Hoare annotation was computed. [2020-10-20 01:41:34,352 INFO L270 CegarLoopResult]: At program point L870-1(lines 870 876) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,352 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:34,352 INFO L274 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2020-10-20 01:41:34,353 INFO L274 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2020-10-20 01:41:34,353 INFO L274 CegarLoopResult]: For program point L921-2(line 921) no Hoare annotation was computed. [2020-10-20 01:41:34,353 INFO L270 CegarLoopResult]: At program point L130(lines 125 133) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,353 INFO L270 CegarLoopResult]: At program point L130-1(lines 125 133) the Hoare annotation is: false [2020-10-20 01:41:34,353 INFO L270 CegarLoopResult]: At program point L130-2(lines 125 133) the Hoare annotation is: false [2020-10-20 01:41:34,353 INFO L274 CegarLoopResult]: For program point L890(lines 890 903) no Hoare annotation was computed. [2020-10-20 01:41:34,353 INFO L274 CegarLoopResult]: For program point L345(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:34,354 INFO L274 CegarLoopResult]: For program point L345-1(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:34,354 INFO L274 CegarLoopResult]: For program point L345-2(lines 345 362) no Hoare annotation was computed. [2020-10-20 01:41:34,354 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:34,354 INFO L270 CegarLoopResult]: At program point L313(lines 312 331) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,354 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,354 INFO L274 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-10-20 01:41:34,354 INFO L270 CegarLoopResult]: At program point L313-2(lines 312 331) the Hoare annotation is: false [2020-10-20 01:41:34,355 INFO L270 CegarLoopResult]: At program point L313-3(lines 312 331) the Hoare annotation is: false [2020-10-20 01:41:34,355 INFO L270 CegarLoopResult]: At program point L908(lines 859 909) the Hoare annotation is: false [2020-10-20 01:41:34,355 INFO L277 CegarLoopResult]: At program point L298(lines 279 301) the Hoare annotation is: true [2020-10-20 01:41:34,355 INFO L270 CegarLoopResult]: At program point L265(lines 261 267) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:34,355 INFO L270 CegarLoopResult]: At program point L67(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:34,355 INFO L270 CegarLoopResult]: At program point L216-2(lines 216 230) the Hoare annotation is: false [2020-10-20 01:41:34,356 INFO L274 CegarLoopResult]: For program point L117(lines 117 121) no Hoare annotation was computed. [2020-10-20 01:41:34,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:34 BoogieIcfgContainer [2020-10-20 01:41:34,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:34,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:34,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:34,376 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:34,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:32" (3/4) ... [2020-10-20 01:41:34,381 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:34,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:34,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:34,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:34,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:34,401 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:34,401 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:34,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:34,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:34,529 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:34,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:34,531 INFO L168 Benchmark]: Toolchain (without parser) took 3217.46 ms. Allocated memory was 41.9 MB in the beginning and 57.1 MB in the end (delta: 15.2 MB). Free memory was 21.0 MB in the beginning and 15.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,532 INFO L168 Benchmark]: CDTParser took 1.06 ms. Allocated memory is still 32.0 MB. Free memory was 11.1 MB in the beginning and 11.0 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.75 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 20.1 MB in the beginning and 26.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.23 ms. Allocated memory is still 44.6 MB. Free memory was 26.5 MB in the beginning and 23.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,533 INFO L168 Benchmark]: Boogie Preprocessor took 39.51 ms. Allocated memory is still 44.6 MB. Free memory was 23.3 MB in the beginning and 21.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,534 INFO L168 Benchmark]: RCFGBuilder took 944.46 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 20.8 MB in the beginning and 27.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,535 INFO L168 Benchmark]: TraceAbstraction took 1395.88 ms. Allocated memory was 47.7 MB in the beginning and 57.1 MB in the end (delta: 9.4 MB). Free memory was 26.3 MB in the beginning and 24.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,535 INFO L168 Benchmark]: Witness Printer took 153.16 ms. Allocated memory is still 57.1 MB. Free memory was 24.0 MB in the beginning and 15.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 ms. Allocated memory is still 32.0 MB. Free memory was 11.1 MB in the beginning and 11.0 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 608.75 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 20.1 MB in the beginning and 26.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 65.23 ms. Allocated memory is still 44.6 MB. Free memory was 26.5 MB in the beginning and 23.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 39.51 ms. Allocated memory is still 44.6 MB. Free memory was 23.3 MB in the beginning and 21.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 944.46 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 20.8 MB in the beginning and 27.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1395.88 ms. Allocated memory was 47.7 MB in the beginning and 57.1 MB in the end (delta: 9.4 MB). Free memory was 26.3 MB in the beginning and 24.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 14.3 GB. * Witness Printer took 153.16 ms. Allocated memory is still 57.1 MB. Free memory was 24.0 MB in the beginning and 15.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 311 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1267 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...