./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product09.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_product09.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 db09c246a09e1a5256409434d3f5c428f7be014f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:03:59,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:59,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:59,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:59,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:59,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:59,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:59,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:59,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:59,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:59,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:59,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:59,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:59,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:59,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:59,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:59,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:59,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:59,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:59,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:59,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:59,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:59,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:59,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:59,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:59,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:59,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:59,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:59,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:59,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:59,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:59,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:59,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:59,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:59,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:59,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:59,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:59,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:59,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:59,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:59,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:59,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:03:59,465 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:03:59,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:03:59,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:03:59,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:03:59,468 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:03:59,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:03:59,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:03:59,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:03:59,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:03:59,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:03:59,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:03:59,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:03:59,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:03:59,470 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:03:59,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:03:59,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:03:59,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:03:59,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:03:59,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:03:59,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:03:59,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:03:59,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:03:59,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:03:59,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:03:59,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:03:59,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:03:59,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:03:59,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:03:59,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:03:59,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db09c246a09e1a5256409434d3f5c428f7be014f [2020-10-25 23:03:59,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:03:59,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:03:59,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:03:59,901 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:03:59,903 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:03:59,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2020-10-25 23:04:00,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3ab77f7/f77ef29ba064460286b610cd2a1b14cf/FLAG0143aaad8 [2020-10-25 23:04:00,685 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:04:00,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2020-10-25 23:04:00,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3ab77f7/f77ef29ba064460286b610cd2a1b14cf/FLAG0143aaad8 [2020-10-25 23:04:00,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3ab77f7/f77ef29ba064460286b610cd2a1b14cf [2020-10-25 23:04:00,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:04:00,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:04:00,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:00,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:04:00,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:04:01,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:00" (1/1) ... [2020-10-25 23:04:01,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d51a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01, skipping insertion in model container [2020-10-25 23:04:01,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:00" (1/1) ... [2020-10-25 23:04:01,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:04:01,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:04:01,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:01,393 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:04:01,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:01,529 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:04:01,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01 WrapperNode [2020-10-25 23:04:01,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:01,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:01,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:04:01,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:04:01,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:01,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:04:01,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:04:01,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:04:01,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:04:01,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:04:01,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:04:01,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:04:01,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (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 23:04:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:04:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:04:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:04:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:04:02,574 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:04:02,574 INFO L298 CfgBuilder]: Removed 72 assume(true) statements. [2020-10-25 23:04:02,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:02 BoogieIcfgContainer [2020-10-25 23:04:02,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:04:02,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:04:02,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:04:02,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:04:02,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:04:00" (1/3) ... [2020-10-25 23:04:02,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266a66b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:02, skipping insertion in model container [2020-10-25 23:04:02,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01" (2/3) ... [2020-10-25 23:04:02,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266a66b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:02, skipping insertion in model container [2020-10-25 23:04:02,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:02" (3/3) ... [2020-10-25 23:04:02,587 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2020-10-25 23:04:02,600 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:04:02,607 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:04:02,623 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:04:02,653 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:04:02,654 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:04:02,654 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:04:02,654 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:04:02,654 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:04:02,654 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:04:02,654 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:04:02,655 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:04:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-25 23:04:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:04:02,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:02,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:02,691 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:02,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:02,698 INFO L82 PathProgramCache]: Analyzing trace with hash -2101252973, now seen corresponding path program 1 times [2020-10-25 23:04:02,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:02,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401982236] [2020-10-25 23:04:02,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:02,997 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 23:04:02,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401982236] [2020-10-25 23:04:02,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:02,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:03,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335453224] [2020-10-25 23:04:03,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:04:03,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:03,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:04:03,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:03,023 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-10-25 23:04:03,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:03,048 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-10-25 23:04:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:04:03,050 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:04:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:03,060 INFO L225 Difference]: With dead ends: 111 [2020-10-25 23:04:03,060 INFO L226 Difference]: Without dead ends: 53 [2020-10-25 23:04:03,064 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 23:04:03,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-25 23:04:03,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-25 23:04:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-25 23:04:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-10-25 23:04:03,106 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-10-25 23:04:03,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:03,106 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-10-25 23:04:03,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:04:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-10-25 23:04:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:04:03,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:03,108 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 23:04:03,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:04:03,108 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:03,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:03,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1462582574, now seen corresponding path program 1 times [2020-10-25 23:04:03,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:03,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647183234] [2020-10-25 23:04:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:03,220 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 23:04:03,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647183234] [2020-10-25 23:04:03,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:03,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:03,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424742547] [2020-10-25 23:04:03,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:03,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:03,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:03,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:03,225 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-10-25 23:04:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:03,250 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-10-25 23:04:03,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:03,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:04:03,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:03,253 INFO L225 Difference]: With dead ends: 53 [2020-10-25 23:04:03,253 INFO L226 Difference]: Without dead ends: 27 [2020-10-25 23:04:03,254 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 23:04:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-25 23:04:03,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-25 23:04:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-25 23:04:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-10-25 23:04:03,263 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-10-25 23:04:03,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:03,263 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-10-25 23:04:03,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-10-25 23:04:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:03,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:03,265 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 23:04:03,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:04:03,265 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:03,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:03,271 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-10-25 23:04:03,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:03,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89492946] [2020-10-25 23:04:03,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:03,452 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 23:04:03,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89492946] [2020-10-25 23:04:03,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:03,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:03,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878476502] [2020-10-25 23:04:03,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:03,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:03,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:03,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:03,457 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-10-25 23:04:03,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:03,631 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-10-25 23:04:03,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:04:03,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:04:03,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:03,633 INFO L225 Difference]: With dead ends: 109 [2020-10-25 23:04:03,633 INFO L226 Difference]: Without dead ends: 88 [2020-10-25 23:04:03,634 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 23:04:03,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-25 23:04:03,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-10-25 23:04:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-25 23:04:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-10-25 23:04:03,646 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-10-25 23:04:03,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:03,646 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-10-25 23:04:03,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-10-25 23:04:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:04:03,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:03,648 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 23:04:03,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:04:03,648 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2020-10-25 23:04:03,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:03,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087995241] [2020-10-25 23:04:03,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:03,796 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 23:04:03,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087995241] [2020-10-25 23:04:03,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:03,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:03,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243456236] [2020-10-25 23:04:03,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:03,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:03,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:03,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:03,805 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-10-25 23:04:03,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:03,879 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-10-25 23:04:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:04:03,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:04:03,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:03,880 INFO L225 Difference]: With dead ends: 130 [2020-10-25 23:04:03,880 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:04:03,882 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 23:04:03,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:04:03,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:04:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:04:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:04:03,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-25 23:04:03,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:03,883 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:04:03,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:04:03,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:04:03,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:04:03,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:04:04,032 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,033 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,033 INFO L274 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-10-25 23:04:04,033 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,033 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,033 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:04:04,033 INFO L274 CegarLoopResult]: For program point L846(lines 846 852) no Hoare annotation was computed. [2020-10-25 23:04:04,034 INFO L274 CegarLoopResult]: For program point L780(lines 779 824) no Hoare annotation was computed. [2020-10-25 23:04:04,034 INFO L274 CegarLoopResult]: For program point L846-2(lines 846 852) no Hoare annotation was computed. [2020-10-25 23:04:04,034 INFO L274 CegarLoopResult]: For program point L846-4(lines 846 852) no Hoare annotation was computed. [2020-10-25 23:04:04,034 INFO L274 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-10-25 23:04:04,035 INFO L274 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2020-10-25 23:04:04,035 INFO L274 CegarLoopResult]: For program point L815-2(lines 651 657) no Hoare annotation was computed. [2020-10-25 23:04:04,035 INFO L274 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-10-25 23:04:04,035 INFO L270 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,035 INFO L270 CegarLoopResult]: At program point L651(lines 650 669) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,036 INFO L274 CegarLoopResult]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2020-10-25 23:04:04,036 INFO L270 CegarLoopResult]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2020-10-25 23:04:04,036 INFO L270 CegarLoopResult]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2020-10-25 23:04:04,036 INFO L277 CegarLoopResult]: At program point L635(lines 616 638) the Hoare annotation is: true [2020-10-25 23:04:04,036 INFO L270 CegarLoopResult]: At program point L602(lines 598 604) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:04,036 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-25 23:04:04,037 INFO L274 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-10-25 23:04:04,037 INFO L274 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-10-25 23:04:04,037 INFO L274 CegarLoopResult]: For program point L536-2(line 536) no Hoare annotation was computed. [2020-10-25 23:04:04,037 INFO L270 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2020-10-25 23:04:04,037 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:04:04,037 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:04,037 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-25 23:04:04,038 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,038 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:04:04,038 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-25 23:04:04,038 INFO L274 CegarLoopResult]: For program point L557-1(lines 651 657) no Hoare annotation was computed. [2020-10-25 23:04:04,038 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-10-25 23:04:04,038 INFO L274 CegarLoopResult]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2020-10-25 23:04:04,039 INFO L274 CegarLoopResult]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2020-10-25 23:04:04,039 INFO L274 CegarLoopResult]: For program point L789(lines 789 795) no Hoare annotation was computed. [2020-10-25 23:04:04,039 INFO L270 CegarLoopResult]: At program point L789-1(lines 789 795) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,039 INFO L270 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,039 INFO L270 CegarLoopResult]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2020-10-25 23:04:04,039 INFO L270 CegarLoopResult]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2020-10-25 23:04:04,040 INFO L274 CegarLoopResult]: For program point L626(lines 626 633) no Hoare annotation was computed. [2020-10-25 23:04:04,040 INFO L277 CegarLoopResult]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2020-10-25 23:04:04,040 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:04:04,040 INFO L270 CegarLoopResult]: At program point L825(lines 778 826) the Hoare annotation is: false [2020-10-25 23:04:04,040 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,040 INFO L270 CegarLoopResult]: At program point L495(lines 490 498) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,041 INFO L270 CegarLoopResult]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2020-10-25 23:04:04,041 INFO L270 CegarLoopResult]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2020-10-25 23:04:04,041 INFO L274 CegarLoopResult]: For program point L842(lines 842 855) no Hoare annotation was computed. [2020-10-25 23:04:04,041 INFO L274 CegarLoopResult]: For program point L809(lines 809 820) no Hoare annotation was computed. [2020-10-25 23:04:04,041 INFO L270 CegarLoopResult]: At program point L842-1(lines 1 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,041 INFO L274 CegarLoopResult]: For program point L842-2(lines 842 855) no Hoare annotation was computed. [2020-10-25 23:04:04,042 INFO L270 CegarLoopResult]: At program point L842-3(lines 1 858) the Hoare annotation is: false [2020-10-25 23:04:04,042 INFO L274 CegarLoopResult]: For program point L842-4(lines 842 855) no Hoare annotation was computed. [2020-10-25 23:04:04,042 INFO L270 CegarLoopResult]: At program point L842-5(lines 1 858) the Hoare annotation is: false [2020-10-25 23:04:04,042 INFO L270 CegarLoopResult]: At program point L67(lines 1 858) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:04,042 INFO L270 CegarLoopResult]: At program point L728(lines 723 731) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,042 INFO L270 CegarLoopResult]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2020-10-25 23:04:04,043 INFO L270 CegarLoopResult]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2020-10-25 23:04:04,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:04:04 BoogieIcfgContainer [2020-10-25 23:04:04,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:04:04,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:04:04,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:04:04,065 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:04:04,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:02" (3/4) ... [2020-10-25 23:04:04,069 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:04:04,087 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:04:04,087 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:04:04,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:04:04,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:04:04,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:04:04,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:04,090 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:04,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:04,173 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:04:04,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:04:04,176 INFO L168 Benchmark]: Toolchain (without parser) took 3187.83 ms. Allocated memory was 48.2 MB in the beginning and 75.5 MB in the end (delta: 27.3 MB). Free memory was 24.0 MB in the beginning and 44.4 MB in the end (delta: -20.4 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:04,176 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 34.4 MB in the beginning and 34.4 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:04,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.48 ms. Allocated memory is still 48.2 MB. Free memory was 23.3 MB in the beginning and 25.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:04,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.11 ms. Allocated memory is still 48.2 MB. Free memory was 25.7 MB in the beginning and 23.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:04,178 INFO L168 Benchmark]: Boogie Preprocessor took 58.69 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.0 MB in the beginning and 45.9 MB in the end (delta: -22.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:04,178 INFO L168 Benchmark]: RCFGBuilder took 915.95 ms. Allocated memory is still 62.9 MB. Free memory was 45.6 MB in the beginning and 31.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:04,179 INFO L168 Benchmark]: TraceAbstraction took 1485.69 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 49.8 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:04,180 INFO L168 Benchmark]: Witness Printer took 108.86 ms. Allocated memory is still 75.5 MB. Free memory was 49.8 MB in the beginning and 44.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:04,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 34.4 MB in the beginning and 34.4 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 536.48 ms. Allocated memory is still 48.2 MB. Free memory was 23.3 MB in the beginning and 25.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.11 ms. Allocated memory is still 48.2 MB. Free memory was 25.7 MB in the beginning and 23.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.69 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.0 MB in the beginning and 45.9 MB in the end (delta: -22.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 915.95 ms. Allocated memory is still 62.9 MB. Free memory was 45.6 MB in the beginning and 31.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1485.69 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 49.8 MB in the end (delta: -19.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * Witness Printer took 108.86 ms. Allocated memory is still 75.5 MB. Free memory was 49.8 MB in the beginning and 44.4 MB in the end (delta: 5.4 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: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...