./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_product16.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09e3ebf9e88b37df43a29457dc1ad9a694c62daa .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-f470102 [2019-11-28 17:25:49,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:49,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:49,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:49,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:49,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:49,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:49,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:49,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:49,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:49,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:49,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:49,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:49,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:49,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:49,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:49,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:49,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:49,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:49,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:49,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:49,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:49,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:49,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:49,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:49,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:49,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:49,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:49,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:49,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:49,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:49,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:49,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:49,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:49,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:49,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:49,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:49,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:49,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:49,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:49,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:49,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:49,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:49,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:49,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:49,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:49,591 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:49,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:49,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:49,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:49,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:49,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:49,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:49,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:49,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:49,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:49,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:49,595 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:49,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:49,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:49,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:49,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:49,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:49,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:49,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:49,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:49,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:49,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:49,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:49,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:49,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:49,598 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(__VERIFIER_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 -> 09e3ebf9e88b37df43a29457dc1ad9a694c62daa [2019-11-28 17:25:50,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:50,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:50,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:50,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:50,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:50,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2019-11-28 17:25:50,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651f26a4d/b6f6052255174f108d203a7f64cb319a/FLAG99ad75db3 [2019-11-28 17:25:50,567 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:50,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2019-11-28 17:25:50,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651f26a4d/b6f6052255174f108d203a7f64cb319a/FLAG99ad75db3 [2019-11-28 17:25:50,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651f26a4d/b6f6052255174f108d203a7f64cb319a [2019-11-28 17:25:50,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:50,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:50,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:50,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:50,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:50,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:50" (1/1) ... [2019-11-28 17:25:50,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecd73ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:50, skipping insertion in model container [2019-11-28 17:25:50,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:50" (1/1) ... [2019-11-28 17:25:50,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:50,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:51,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:51,465 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:51,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:51,630 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:51,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51 WrapperNode [2019-11-28 17:25:51,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:51,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:51,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:51,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:51,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:51,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:51,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:51,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:51,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (1/1) ... [2019-11-28 17:25:51,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:51,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:51,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:51,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:51,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (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 [2019-11-28 17:25:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:52,634 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:52,635 INFO L287 CfgBuilder]: Removed 108 assume(true) statements. [2019-11-28 17:25:52,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:52 BoogieIcfgContainer [2019-11-28 17:25:52,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:52,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:52,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:52,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:52,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:50" (1/3) ... [2019-11-28 17:25:52,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69634ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:52, skipping insertion in model container [2019-11-28 17:25:52,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:51" (2/3) ... [2019-11-28 17:25:52,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69634ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:52, skipping insertion in model container [2019-11-28 17:25:52,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:52" (3/3) ... [2019-11-28 17:25:52,650 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2019-11-28 17:25:52,661 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:52,669 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:52,682 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:52,717 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:52,718 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:52,718 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:52,719 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:52,719 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:52,719 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:52,719 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:52,720 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-11-28 17:25:52,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:52,756 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:52,757 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:52,757 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:52,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:52,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times [2019-11-28 17:25:52,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:52,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086053403] [2019-11-28 17:25:52,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:53,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086053403] [2019-11-28 17:25:53,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:53,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:53,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935116006] [2019-11-28 17:25:53,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:53,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:53,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:53,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:53,074 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-11-28 17:25:53,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:53,100 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-11-28 17:25:53,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:53,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:53,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:53,114 INFO L225 Difference]: With dead ends: 148 [2019-11-28 17:25:53,114 INFO L226 Difference]: Without dead ends: 73 [2019-11-28 17:25:53,118 INFO L630 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 [2019-11-28 17:25:53,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-28 17:25:53,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-28 17:25:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-28 17:25:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-11-28 17:25:53,161 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2019-11-28 17:25:53,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:53,161 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-28 17:25:53,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-11-28 17:25:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:53,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:53,163 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:53,164 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:53,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:53,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times [2019-11-28 17:25:53,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:53,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128395624] [2019-11-28 17:25:53,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:53,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128395624] [2019-11-28 17:25:53,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:53,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:53,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445486471] [2019-11-28 17:25:53,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:53,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:53,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:53,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:53,349 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-11-28 17:25:53,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:53,361 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-11-28 17:25:53,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:53,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:53,363 INFO L225 Difference]: With dead ends: 73 [2019-11-28 17:25:53,364 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 17:25:53,366 INFO L630 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 [2019-11-28 17:25:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 17:25:53,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-28 17:25:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-28 17:25:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-11-28 17:25:53,378 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-11-28 17:25:53,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:53,379 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-28 17:25:53,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:53,379 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-11-28 17:25:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:53,380 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:53,380 INFO L410 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] [2019-11-28 17:25:53,381 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:53,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:53,381 INFO L82 PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times [2019-11-28 17:25:53,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:53,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124439834] [2019-11-28 17:25:53,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:53,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124439834] [2019-11-28 17:25:53,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:53,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:53,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326207080] [2019-11-28 17:25:53,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:53,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:53,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:53,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:53,510 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-11-28 17:25:53,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:53,598 INFO L93 Difference]: Finished difference Result 89 states and 129 transitions. [2019-11-28 17:25:53,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:53,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 17:25:53,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:53,601 INFO L225 Difference]: With dead ends: 89 [2019-11-28 17:25:53,602 INFO L226 Difference]: Without dead ends: 60 [2019-11-28 17:25:53,602 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-28 17:25:53,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-11-28 17:25:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-28 17:25:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-11-28 17:25:53,614 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2019-11-28 17:25:53,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:53,615 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-11-28 17:25:53,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-11-28 17:25:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:25:53,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:53,617 INFO L410 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] [2019-11-28 17:25:53,617 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:53,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:53,617 INFO L82 PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times [2019-11-28 17:25:53,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:53,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087018907] [2019-11-28 17:25:53,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:53,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087018907] [2019-11-28 17:25:53,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:53,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:53,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503912279] [2019-11-28 17:25:53,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:53,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:53,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:53,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:53,726 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-11-28 17:25:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:53,878 INFO L93 Difference]: Finished difference Result 292 states and 446 transitions. [2019-11-28 17:25:53,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:53,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 17:25:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:53,882 INFO L225 Difference]: With dead ends: 292 [2019-11-28 17:25:53,882 INFO L226 Difference]: Without dead ends: 242 [2019-11-28 17:25:53,883 INFO L630 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 [2019-11-28 17:25:53,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-11-28 17:25:53,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 100. [2019-11-28 17:25:53,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-28 17:25:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2019-11-28 17:25:53,906 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 25 [2019-11-28 17:25:53,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:53,907 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2019-11-28 17:25:53,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2019-11-28 17:25:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:53,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:53,909 INFO L410 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, 1] [2019-11-28 17:25:53,910 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:53,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:53,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times [2019-11-28 17:25:53,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:53,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949578392] [2019-11-28 17:25:53,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 17:25:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 17:25:54,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 17:25:54,133 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 17:25:54,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:54 BoogieIcfgContainer [2019-11-28 17:25:54,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:54,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:54,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:54,266 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:54,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:52" (3/4) ... [2019-11-28 17:25:54,269 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 17:25:54,414 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:54,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:54,418 INFO L168 Benchmark]: Toolchain (without parser) took 3545.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 960.4 MB in the beginning and 945.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 171.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:54,418 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:54,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:54,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:54,422 INFO L168 Benchmark]: Boogie Preprocessor took 57.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:54,423 INFO L168 Benchmark]: RCFGBuilder took 867.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:54,424 INFO L168 Benchmark]: TraceAbstraction took 1626.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.2 MB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:54,425 INFO L168 Benchmark]: Witness Printer took 149.87 ms. Allocated memory is still 1.2 GB. Free memory was 958.2 MB in the beginning and 945.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:54,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 758.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 867.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1626.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.2 MB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. * Witness Printer took 149.87 ms. Allocated memory is still 1.2 GB. Free memory was 958.2 MB in the beginning and 945.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int cleanupTimeShifts = 4; [L322] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] int retValue_acc ; [L131] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L137] tmp = valid_product() [L139] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L539] tmp = __VERIFIER_nondet_int() [L541] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] COND TRUE waterLevel < 2 [L825] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND TRUE \read(tmp___2) [L765] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L604] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L611] COND TRUE \read(systemActive) [L633] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L887] int tmp ; [L888] int tmp___0 ; [L889] int tmp___1 ; [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L893] tmp = isMethaneLevelCritical() [L895] COND FALSE !(\read(tmp)) [L877] int retValue_acc ; [L880] retValue_acc = waterLevel [L881] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] tmp___0 = getWaterLevel() [L901] COND TRUE tmp___0 == 2 [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L903] tmp___1 = isPumpRunning() [L905] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 447 SDslu, 230 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...