./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product02.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 c216cc57d84019e61e144b24cb5e9e97dea3f5e5 ................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:55,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:55,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:55,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:55,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:55,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:55,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:55,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:55,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:55,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:55,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:55,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:55,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:55,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:55,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:55,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:55,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:55,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:55,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:55,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:55,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:55,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:55,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:55,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:55,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:55,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:55,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:55,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:55,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:55,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:55,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:55,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:55,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:55,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:55,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:55,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:55,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:55,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:55,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:55,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:55,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:55,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:55,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:55,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:55,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:55,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:55,563 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:55,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:55,563 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:55,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:55,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:55,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:55,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:55,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:55,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:55,565 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:55,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:55,566 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:55,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:55,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:55,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:55,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:55,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:55,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:55,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:55,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:55,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:55,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:55,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:55,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:55,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:55,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c216cc57d84019e61e144b24cb5e9e97dea3f5e5 [2020-10-20 01:42:55,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:55,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:55,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:55,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:55,795 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:55,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2020-10-20 01:42:55,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af302fb3/963ce5356d2c48229d395408e201233e/FLAG50f0dadea [2020-10-20 01:42:56,443 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:56,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2020-10-20 01:42:56,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af302fb3/963ce5356d2c48229d395408e201233e/FLAG50f0dadea [2020-10-20 01:42:56,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af302fb3/963ce5356d2c48229d395408e201233e [2020-10-20 01:42:56,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:56,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:56,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:56,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:56,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:56,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:56" (1/1) ... [2020-10-20 01:42:56,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a344888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:56, skipping insertion in model container [2020-10-20 01:42:56,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:56" (1/1) ... [2020-10-20 01:42:56,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:56,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:57,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:57,296 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:57,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:57,412 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:57,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57 WrapperNode [2020-10-20 01:42:57,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:57,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:57,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:57,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:57,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:57,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:57,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:57,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:57,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... [2020-10-20 01:42:57,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:57,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:57,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:57,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:57,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:58,437 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:58,438 INFO L298 CfgBuilder]: Removed 80 assume(true) statements. [2020-10-20 01:42:58,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:58 BoogieIcfgContainer [2020-10-20 01:42:58,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:58,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:58,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:58,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:58,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:56" (1/3) ... [2020-10-20 01:42:58,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e8693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:58, skipping insertion in model container [2020-10-20 01:42:58,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:57" (2/3) ... [2020-10-20 01:42:58,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e8693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:58, skipping insertion in model container [2020-10-20 01:42:58,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:58" (3/3) ... [2020-10-20 01:42:58,450 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2020-10-20 01:42:58,463 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:58,471 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:58,486 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:58,512 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:58,513 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:58,513 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:58,513 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:58,514 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:58,514 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:58,514 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:58,515 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:58,531 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-10-20 01:42:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:58,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:58,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:58,539 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:58,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1782981536, now seen corresponding path program 1 times [2020-10-20 01:42:58,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:58,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544845293] [2020-10-20 01:42:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:58,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544845293] [2020-10-20 01:42:58,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:58,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:58,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649054914] [2020-10-20 01:42:58,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:58,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:58,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:58,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:58,831 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-10-20 01:42:58,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:58,859 INFO L93 Difference]: Finished difference Result 123 states and 182 transitions. [2020-10-20 01:42:58,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:58,860 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:58,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:58,873 INFO L225 Difference]: With dead ends: 123 [2020-10-20 01:42:58,873 INFO L226 Difference]: Without dead ends: 59 [2020-10-20 01:42:58,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-20 01:42:58,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-20 01:42:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-20 01:42:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-10-20 01:42:58,934 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2020-10-20 01:42:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:58,934 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-20 01:42:58,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-10-20 01:42:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:58,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:58,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:58,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:58,938 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:58,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:58,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1600955007, now seen corresponding path program 1 times [2020-10-20 01:42:58,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:58,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135575768] [2020-10-20 01:42:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:59,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135575768] [2020-10-20 01:42:59,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:59,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:59,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477779214] [2020-10-20 01:42:59,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:59,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:59,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:59,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:59,103 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2020-10-20 01:42:59,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:59,113 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-10-20 01:42:59,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:59,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:59,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:59,114 INFO L225 Difference]: With dead ends: 59 [2020-10-20 01:42:59,115 INFO L226 Difference]: Without dead ends: 29 [2020-10-20 01:42:59,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:59,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-20 01:42:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-20 01:42:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 01:42:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-20 01:42:59,121 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-10-20 01:42:59,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:59,121 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-20 01:42:59,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-20 01:42:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:59,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:59,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:59,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:59,124 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:59,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:59,124 INFO L82 PathProgramCache]: Analyzing trace with hash 930808050, now seen corresponding path program 1 times [2020-10-20 01:42:59,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:59,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075499974] [2020-10-20 01:42:59,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:59,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075499974] [2020-10-20 01:42:59,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:59,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:59,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522357883] [2020-10-20 01:42:59,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:59,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:59,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:59,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:59,222 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-10-20 01:42:59,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:59,326 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2020-10-20 01:42:59,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:42:59,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:59,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:59,329 INFO L225 Difference]: With dead ends: 130 [2020-10-20 01:42:59,329 INFO L226 Difference]: Without dead ends: 107 [2020-10-20 01:42:59,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:42:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-20 01:42:59,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2020-10-20 01:42:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-20 01:42:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2020-10-20 01:42:59,340 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2020-10-20 01:42:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:59,341 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2020-10-20 01:42:59,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2020-10-20 01:42:59,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:42:59,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:59,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:59,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:59,354 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:59,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:59,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1487700112, now seen corresponding path program 1 times [2020-10-20 01:42:59,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:59,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851884277] [2020-10-20 01:42:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 01:42:59,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 01:42:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 01:42:59,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 01:42:59,548 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 01:42:59,548 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 01:42:59,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:59,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:59 BoogieIcfgContainer [2020-10-20 01:42:59,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:59,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:59,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:59,665 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:59,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:58" (3/4) ... [2020-10-20 01:42:59,668 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 01:42:59,772 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:59,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:59,775 INFO L168 Benchmark]: Toolchain (without parser) took 2958.37 ms. Allocated memory was 36.7 MB in the beginning and 58.7 MB in the end (delta: 22.0 MB). Free memory was 9.5 MB in the beginning and 22.5 MB in the end (delta: -13.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:59,776 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 36.7 MB. Free memory is still 15.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:42:59,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.99 ms. Allocated memory was 36.7 MB in the beginning and 46.1 MB in the end (delta: 9.4 MB). Free memory was 8.6 MB in the beginning and 18.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:59,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.68 ms. Allocated memory is still 46.1 MB. Free memory was 18.6 MB in the beginning and 15.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:59,778 INFO L168 Benchmark]: Boogie Preprocessor took 47.22 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 15.6 MB in the beginning and 29.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:59,779 INFO L168 Benchmark]: RCFGBuilder took 913.91 ms. Allocated memory was 48.2 MB in the beginning and 50.9 MB in the end (delta: 2.6 MB). Free memory was 29.0 MB in the beginning and 20.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:59,779 INFO L168 Benchmark]: TraceAbstraction took 1220.04 ms. Allocated memory was 50.9 MB in the beginning and 58.7 MB in the end (delta: 7.9 MB). Free memory was 20.1 MB in the beginning and 34.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:59,780 INFO L168 Benchmark]: Witness Printer took 108.41 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 22.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:59,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 36.7 MB. Free memory is still 15.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 589.99 ms. Allocated memory was 36.7 MB in the beginning and 46.1 MB in the end (delta: 9.4 MB). Free memory was 8.6 MB in the beginning and 18.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 64.68 ms. Allocated memory is still 46.1 MB. Free memory was 18.6 MB in the beginning and 15.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 47.22 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 15.6 MB in the beginning and 29.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 913.91 ms. Allocated memory was 48.2 MB in the beginning and 50.9 MB in the end (delta: 2.6 MB). Free memory was 29.0 MB in the beginning and 20.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1220.04 ms. Allocated memory was 50.9 MB in the beginning and 58.7 MB in the end (delta: 7.9 MB). Free memory was 20.1 MB in the beginning and 34.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. * Witness Printer took 108.41 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 22.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L258] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L464] int pumpRunning = 0; [L465] int systemActive = 1; [L685] int cleanupTimeShifts = 4; [L781] int waterLevel = 1; [L782] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L758] int retValue_acc ; [L759] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L765] tmp = valid_product() [L767] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L619] int splverifierCounter ; [L620] int tmp ; [L621] int tmp___0 ; [L622] int tmp___1 ; [L623] int tmp___2 ; [L626] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L630] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L636] tmp = __VERIFIER_nondet_int() [L638] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] COND TRUE waterLevel < 2 [L800] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] tmp___0 = __VERIFIER_nondet_int() [L648] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp___2 = __VERIFIER_nondet_int() [L658] COND TRUE \read(tmp___2) [L575] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L472] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L820] int retValue_acc ; [L823] retValue_acc = methaneLevelCritical [L824] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L588] tmp = isMethaneLevelCritical() [L590] COND FALSE !(\read(tmp)) [L852] int retValue_acc ; [L855] retValue_acc = waterLevel [L856] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L594] tmp___0 = getWaterLevel() [L596] COND TRUE tmp___0 == 2 [L527] int retValue_acc ; [L530] retValue_acc = pumpRunning [L531] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] tmp___1 = isPumpRunning() [L600] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product02.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 incorrect! Received shutdown request...