./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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_product12.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 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:04:02,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:04:02,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:04:02,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:04:02,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:04:02,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:04:02,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:04:02,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:04:02,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:04:03,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:04:03,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:04:03,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:04:03,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:04:03,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:04:03,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:04:03,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:04:03,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:04:03,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:04:03,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:04:03,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:04:03,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:04:03,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:04:03,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:04:03,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:04:03,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:04:03,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:04:03,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:04:03,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:04:03,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:04:03,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:04:03,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:04:03,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:04:03,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:04:03,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:04:03,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:04:03,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:04:03,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:04:03,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:04:03,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:04:03,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:04:03,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:04:03,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:04:03,138 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:04:03,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:04:03,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:04:03,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:04:03,142 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:04:03,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:04:03,143 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:04:03,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:04:03,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:04:03,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:04:03,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:04:03,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:04:03,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:04:03,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:04:03,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:04:03,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:04:03,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:04:03,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:04:03,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:04:03,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:04:03,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:04:03,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:03,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:04:03,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:04:03,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:04:03,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:04:03,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:04:03,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:04:03,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:04:03,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee [2020-10-25 23:04:03,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:04:03,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:04:03,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:04:03,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:04:03,651 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:04:03,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-10-25 23:04:03,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4439c6942/44e1ee570e0b4ca99d367a7031f3ebbd/FLAG5caee9024 [2020-10-25 23:04:04,512 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:04:04,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-10-25 23:04:04,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4439c6942/44e1ee570e0b4ca99d367a7031f3ebbd/FLAG5caee9024 [2020-10-25 23:04:04,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4439c6942/44e1ee570e0b4ca99d367a7031f3ebbd [2020-10-25 23:04:04,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:04:04,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:04:04,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:04,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:04:04,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:04:04,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:04" (1/1) ... [2020-10-25 23:04:04,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1844a7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:04, skipping insertion in model container [2020-10-25 23:04:04,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:04" (1/1) ... [2020-10-25 23:04:04,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:04:04,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:04:05,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:05,202 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:04:05,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:05,346 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:04:05,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05 WrapperNode [2020-10-25 23:04:05,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:05,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:05,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:04:05,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:04:05,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:05,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:04:05,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:04:05,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:04:05,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (1/1) ... [2020-10-25 23:04:05,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:04:05,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:04:05,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:04:05,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:04:05,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (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 [2020-10-25 23:04:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:04:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:04:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:04:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:04:06,498 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:04:06,499 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-10-25 23:04:06,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:06 BoogieIcfgContainer [2020-10-25 23:04:06,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:04:06,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:04:06,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:04:06,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:04:06,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:04:04" (1/3) ... [2020-10-25 23:04:06,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6252a519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:06, skipping insertion in model container [2020-10-25 23:04:06,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:05" (2/3) ... [2020-10-25 23:04:06,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6252a519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:06, skipping insertion in model container [2020-10-25 23:04:06,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:06" (3/3) ... [2020-10-25 23:04:06,513 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-10-25 23:04:06,528 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:04:06,535 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:04:06,552 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:04:06,586 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:04:06,586 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:04:06,587 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:04:06,587 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:04:06,587 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:04:06,587 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:04:06,588 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:04:06,588 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:04:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-10-25 23:04:06,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:04:06,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:06,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:06,618 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:06,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:06,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2113786432, now seen corresponding path program 1 times [2020-10-25 23:04:06,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:06,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154419234] [2020-10-25 23:04:06,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:06,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154419234] [2020-10-25 23:04:06,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:06,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:06,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130963991] [2020-10-25 23:04:06,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:04:06,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:06,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:04:06,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:06,964 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-10-25 23:04:06,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:06,991 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-10-25 23:04:06,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:04:06,993 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:04:06,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:07,004 INFO L225 Difference]: With dead ends: 115 [2020-10-25 23:04:07,004 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:04:07,008 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 [2020-10-25 23:04:07,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:04:07,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:04:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:04:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-10-25 23:04:07,056 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-10-25 23:04:07,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:07,057 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-10-25 23:04:07,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:04:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-10-25 23:04:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:04:07,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:07,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:07,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:04:07,059 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:07,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:07,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1134423967, now seen corresponding path program 1 times [2020-10-25 23:04:07,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:07,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465912627] [2020-10-25 23:04:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:07,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465912627] [2020-10-25 23:04:07,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:07,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:07,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586028470] [2020-10-25 23:04:07,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:07,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:07,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:07,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:07,213 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-10-25 23:04:07,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:07,236 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-10-25 23:04:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:07,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:04:07,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:07,238 INFO L225 Difference]: With dead ends: 55 [2020-10-25 23:04:07,238 INFO L226 Difference]: Without dead ends: 29 [2020-10-25 23:04:07,241 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 [2020-10-25 23:04:07,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-25 23:04:07,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-25 23:04:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-25 23:04:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-25 23:04:07,252 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-10-25 23:04:07,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:07,252 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-25 23:04:07,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-25 23:04:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:07,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:07,254 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] [2020-10-25 23:04:07,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:04:07,256 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:07,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-10-25 23:04:07,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:07,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807198741] [2020-10-25 23:04:07,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:07,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:07,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807198741] [2020-10-25 23:04:07,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:07,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:04:07,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682255328] [2020-10-25 23:04:07,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:07,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:07,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:07,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:07,455 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-10-25 23:04:07,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:07,615 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-10-25 23:04:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:04:07,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:04:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:07,618 INFO L225 Difference]: With dead ends: 75 [2020-10-25 23:04:07,619 INFO L226 Difference]: Without dead ends: 52 [2020-10-25 23:04:07,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:04:07,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-25 23:04:07,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-10-25 23:04:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-25 23:04:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-10-25 23:04:07,641 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-10-25 23:04:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:07,642 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-10-25 23:04:07,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-10-25 23:04:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:07,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:07,645 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] [2020-10-25 23:04:07,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:04:07,645 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:07,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:07,646 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-10-25 23:04:07,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:07,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158617100] [2020-10-25 23:04:07,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:07,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158617100] [2020-10-25 23:04:07,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:07,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:07,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696699178] [2020-10-25 23:04:07,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:07,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:07,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:07,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:07,834 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-10-25 23:04:07,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:07,934 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-10-25 23:04:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:04:07,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:04:07,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:07,937 INFO L225 Difference]: With dead ends: 214 [2020-10-25 23:04:07,938 INFO L226 Difference]: Without dead ends: 172 [2020-10-25 23:04:07,939 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 [2020-10-25 23:04:07,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-25 23:04:07,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-10-25 23:04:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-25 23:04:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-10-25 23:04:07,957 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-10-25 23:04:07,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:07,957 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-10-25 23:04:07,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-10-25 23:04:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:04:07,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:07,959 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] [2020-10-25 23:04:07,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:04:07,960 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:07,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:07,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2020-10-25 23:04:07,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:07,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251529721] [2020-10-25 23:04:07,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:08,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251529721] [2020-10-25 23:04:08,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:08,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:08,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540238566] [2020-10-25 23:04:08,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:08,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:08,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:08,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:08,062 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-10-25 23:04:08,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:08,127 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-10-25 23:04:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:04:08,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:04:08,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:08,128 INFO L225 Difference]: With dead ends: 268 [2020-10-25 23:04:08,128 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:04:08,130 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 [2020-10-25 23:04:08,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:04:08,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:04:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:04:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:04:08,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-25 23:04:08,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:08,131 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:04:08,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:04:08,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:04:08,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:04:08,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:04:08,546 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:08,546 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:04:08,547 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:04:08,547 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:04:08,547 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:04:08,547 INFO L274 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-10-25 23:04:08,547 INFO L274 CegarLoopResult]: For program point L253(lines 253 259) no Hoare annotation was computed. [2020-10-25 23:04:08,548 INFO L270 CegarLoopResult]: At program point L253-1(lines 253 259) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,548 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-10-25 23:04:08,548 INFO L270 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,548 INFO L270 CegarLoopResult]: At program point L139-1(lines 139 145) the Hoare annotation is: false [2020-10-25 23:04:08,548 INFO L270 CegarLoopResult]: At program point L139-2(lines 139 145) the Hoare annotation is: false [2020-10-25 23:04:08,549 INFO L270 CegarLoopResult]: At program point L388(lines 1 887) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:04:08,549 INFO L274 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-10-25 23:04:08,549 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:04:08,549 INFO L274 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2020-10-25 23:04:08,550 INFO L274 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2020-10-25 23:04:08,550 INFO L277 CegarLoopResult]: At program point L884(lines 865 887) the Hoare annotation is: true [2020-10-25 23:04:08,550 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2020-10-25 23:04:08,550 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-10-25 23:04:08,550 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:08,551 INFO L270 CegarLoopResult]: At program point L852(lines 848 854) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,551 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-10-25 23:04:08,551 INFO L270 CegarLoopResult]: At program point L209(lines 204 212) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,551 INFO L270 CegarLoopResult]: At program point L209-1(lines 204 212) the Hoare annotation is: false [2020-10-25 23:04:08,552 INFO L270 CegarLoopResult]: At program point L209-2(lines 204 212) the Hoare annotation is: false [2020-10-25 23:04:08,552 INFO L270 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: false [2020-10-25 23:04:08,552 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:04:08,552 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-10-25 23:04:08,553 INFO L270 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,553 INFO L270 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,553 INFO L270 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-10-25 23:04:08,553 INFO L274 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-25 23:04:08,553 INFO L270 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-10-25 23:04:08,554 INFO L274 CegarLoopResult]: For program point L409(lines 409 422) no Hoare annotation was computed. [2020-10-25 23:04:08,554 INFO L270 CegarLoopResult]: At program point L409-1(lines 1 887) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,554 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 422) no Hoare annotation was computed. [2020-10-25 23:04:08,554 INFO L270 CegarLoopResult]: At program point L409-3(lines 1 887) the Hoare annotation is: false [2020-10-25 23:04:08,555 INFO L274 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-10-25 23:04:08,555 INFO L274 CegarLoopResult]: For program point L409-4(lines 409 422) no Hoare annotation was computed. [2020-10-25 23:04:08,555 INFO L274 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-10-25 23:04:08,555 INFO L270 CegarLoopResult]: At program point L409-5(lines 1 887) the Hoare annotation is: false [2020-10-25 23:04:08,556 INFO L274 CegarLoopResult]: For program point L277-2(line 277) no Hoare annotation was computed. [2020-10-25 23:04:08,556 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-10-25 23:04:08,556 INFO L270 CegarLoopResult]: At program point L96-1(lines 132 138) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,556 INFO L274 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-10-25 23:04:08,556 INFO L274 CegarLoopResult]: For program point L808-1(lines 132 138) no Hoare annotation was computed. [2020-10-25 23:04:08,557 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:04:08,557 INFO L274 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-10-25 23:04:08,557 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:08,557 INFO L270 CegarLoopResult]: At program point L396(lines 391 399) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,558 INFO L274 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2020-10-25 23:04:08,558 INFO L277 CegarLoopResult]: At program point L875-1(lines 875 882) the Hoare annotation is: true [2020-10-25 23:04:08,558 INFO L270 CegarLoopResult]: At program point L132(lines 131 150) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,558 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-10-25 23:04:08,558 INFO L270 CegarLoopResult]: At program point L132-2(lines 131 150) the Hoare annotation is: false [2020-10-25 23:04:08,559 INFO L270 CegarLoopResult]: At program point L132-3(lines 131 150) the Hoare annotation is: false [2020-10-25 23:04:08,559 INFO L274 CegarLoopResult]: For program point L413(lines 413 419) no Hoare annotation was computed. [2020-10-25 23:04:08,559 INFO L274 CegarLoopResult]: For program point L413-2(lines 413 419) no Hoare annotation was computed. [2020-10-25 23:04:08,559 INFO L274 CegarLoopResult]: For program point L413-4(lines 413 419) no Hoare annotation was computed. [2020-10-25 23:04:08,560 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-10-25 23:04:08,560 INFO L270 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:04:08,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:04:08 BoogieIcfgContainer [2020-10-25 23:04:08,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:04:08,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:04:08,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:04:08,583 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:04:08,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:06" (3/4) ... [2020-10-25 23:04:08,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:04:08,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:04:08,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:04:08,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:04:08,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:04:08,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:04:08,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:08,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:08,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:04:08,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-25 23:04:08,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,637 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,637 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,638 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,638 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:04:08,689 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:04:08,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:04:08,692 INFO L168 Benchmark]: Toolchain (without parser) took 3919.29 ms. Allocated memory was 37.7 MB in the beginning and 69.2 MB in the end (delta: 31.5 MB). Free memory was 14.1 MB in the beginning and 38.3 MB in the end (delta: -24.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:08,693 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 22.4 MB in the beginning and 22.3 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:08,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.95 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 22.5 MB in the beginning and 30.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:08,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.63 ms. Allocated memory is still 46.1 MB. Free memory was 30.0 MB in the beginning and 27.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:08,694 INFO L168 Benchmark]: Boogie Preprocessor took 36.70 ms. Allocated memory is still 46.1 MB. Free memory was 27.3 MB in the beginning and 25.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:08,695 INFO L168 Benchmark]: RCFGBuilder took 1036.13 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.4 MB in the beginning and 36.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:08,696 INFO L168 Benchmark]: TraceAbstraction took 2078.64 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.7 MB in the beginning and 43.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:08,696 INFO L168 Benchmark]: Witness Printer took 107.09 ms. Allocated memory is still 69.2 MB. Free memory was 43.9 MB in the beginning and 38.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:08,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 22.4 MB in the beginning and 22.3 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 535.95 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 22.5 MB in the beginning and 30.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.63 ms. Allocated memory is still 46.1 MB. Free memory was 30.0 MB in the beginning and 27.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.70 ms. Allocated memory is still 46.1 MB. Free memory was 27.3 MB in the beginning and 25.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1036.13 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.4 MB in the beginning and 36.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2078.64 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.7 MB in the beginning and 43.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Witness Printer took 107.09 ms. Allocated memory is still 69.2 MB. Free memory was 43.9 MB in the beginning and 38.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 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: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 417 SDslu, 274 SDs, 0 SdLazy, 44 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 176 HoareAnnotationTreeSize, 26 FomulaSimplifications, 3956 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 176 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3801 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...