./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db09c246a09e1a5256409434d3f5c428f7be014f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:41:13,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:13,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:13,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:13,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:13,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:13,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:13,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:13,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:13,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:13,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:13,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:13,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:13,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:13,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:13,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:13,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:13,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:13,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:13,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:13,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:13,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:13,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:13,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:13,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:13,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:13,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:13,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:13,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:13,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:13,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:13,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:13,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:13,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:13,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:13,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:13,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:13,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:13,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:13,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:13,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:13,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:13,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:13,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:13,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:13,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:13,646 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:13,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:13,646 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:13,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:13,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:13,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:13,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:13,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:13,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:13,648 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:13,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:13,649 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:13,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:13,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:13,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:13,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:13,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:13,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:13,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:13,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:13,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:13,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:13,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:13,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:13,652 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:13,652 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 -> db09c246a09e1a5256409434d3f5c428f7be014f [2020-10-20 01:41:13,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:13,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:13,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:13,889 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:13,890 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:13,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2020-10-20 01:41:13,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ca32b17/98a662cce1da4b549c9cd79ef3ef34f2/FLAGd33babf64 [2020-10-20 01:41:14,480 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:14,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2020-10-20 01:41:14,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ca32b17/98a662cce1da4b549c9cd79ef3ef34f2/FLAGd33babf64 [2020-10-20 01:41:14,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ca32b17/98a662cce1da4b549c9cd79ef3ef34f2 [2020-10-20 01:41:14,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:14,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:14,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:14,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:14,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:14,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:14" (1/1) ... [2020-10-20 01:41:14,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da094d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:14, skipping insertion in model container [2020-10-20 01:41:14,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:14" (1/1) ... [2020-10-20 01:41:14,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:14,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:15,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:15,382 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:15,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:15,522 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:15,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15 WrapperNode [2020-10-20 01:41:15,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:15,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:15,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:15,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:15,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:15,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:15,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:15,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:15,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:15,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:15,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:15,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:15,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:16,523 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:16,523 INFO L298 CfgBuilder]: Removed 72 assume(true) statements. [2020-10-20 01:41:16,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:16 BoogieIcfgContainer [2020-10-20 01:41:16,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:16,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:16,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:16,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:16,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:14" (1/3) ... [2020-10-20 01:41:16,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@915006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:16, skipping insertion in model container [2020-10-20 01:41:16,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (2/3) ... [2020-10-20 01:41:16,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@915006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:16, skipping insertion in model container [2020-10-20 01:41:16,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:16" (3/3) ... [2020-10-20 01:41:16,536 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2020-10-20 01:41:16,547 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:16,555 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:16,569 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:16,592 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:16,592 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:16,592 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:16,593 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:16,593 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:16,593 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:16,593 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:16,593 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-20 01:41:16,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:16,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:16,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:16,623 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:16,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:16,629 INFO L82 PathProgramCache]: Analyzing trace with hash -2101252973, now seen corresponding path program 1 times [2020-10-20 01:41:16,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:16,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180324876] [2020-10-20 01:41:16,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:16,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180324876] [2020-10-20 01:41:16,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:16,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:16,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235504219] [2020-10-20 01:41:16,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:16,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:16,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:16,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:16,948 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-10-20 01:41:16,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:16,976 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-10-20 01:41:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:16,977 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:16,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:16,989 INFO L225 Difference]: With dead ends: 111 [2020-10-20 01:41:16,990 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:41:16,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:17,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:41:17,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:41:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:41:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-10-20 01:41:17,038 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-10-20 01:41:17,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:17,039 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-10-20 01:41:17,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-10-20 01:41:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:17,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:17,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:17,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:17,041 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:17,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:17,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1462582574, now seen corresponding path program 1 times [2020-10-20 01:41:17,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:17,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505923153] [2020-10-20 01:41:17,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:17,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505923153] [2020-10-20 01:41:17,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:17,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:17,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821231197] [2020-10-20 01:41:17,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:17,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:17,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:17,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:17,146 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-10-20 01:41:17,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:17,158 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-10-20 01:41:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:17,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:17,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:17,160 INFO L225 Difference]: With dead ends: 53 [2020-10-20 01:41:17,160 INFO L226 Difference]: Without dead ends: 27 [2020-10-20 01:41:17,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-20 01:41:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-20 01:41:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 01:41:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-10-20 01:41:17,167 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-10-20 01:41:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:17,167 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-10-20 01:41:17,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-10-20 01:41:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:17,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:17,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:17,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:17,169 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:17,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:17,169 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-10-20 01:41:17,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:17,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515101667] [2020-10-20 01:41:17,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:17,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515101667] [2020-10-20 01:41:17,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:17,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:17,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327346459] [2020-10-20 01:41:17,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:17,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:17,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:17,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:17,293 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-10-20 01:41:17,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:17,434 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-10-20 01:41:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:17,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-20 01:41:17,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:17,437 INFO L225 Difference]: With dead ends: 109 [2020-10-20 01:41:17,437 INFO L226 Difference]: Without dead ends: 88 [2020-10-20 01:41:17,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:41:17,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-20 01:41:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-10-20 01:41:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-20 01:41:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-10-20 01:41:17,449 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-10-20 01:41:17,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:17,450 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-10-20 01:41:17,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-10-20 01:41:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:41:17,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:17,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:17,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:17,452 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:17,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:17,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2020-10-20 01:41:17,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:17,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903184728] [2020-10-20 01:41:17,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:17,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903184728] [2020-10-20 01:41:17,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:17,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:17,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704517331] [2020-10-20 01:41:17,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:17,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:17,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:17,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:17,614 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-10-20 01:41:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:17,676 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-10-20 01:41:17,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:17,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 01:41:17,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:17,677 INFO L225 Difference]: With dead ends: 130 [2020-10-20 01:41:17,677 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:17,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:41:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:17,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:17,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-20 01:41:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:17,680 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:17,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:17,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:17,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:17,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:17,824 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:17,824 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:17,824 INFO L274 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-10-20 01:41:17,825 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:17,825 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:17,825 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:17,825 INFO L274 CegarLoopResult]: For program point L846(lines 846 852) no Hoare annotation was computed. [2020-10-20 01:41:17,825 INFO L274 CegarLoopResult]: For program point L780(lines 779 824) no Hoare annotation was computed. [2020-10-20 01:41:17,825 INFO L274 CegarLoopResult]: For program point L846-2(lines 846 852) no Hoare annotation was computed. [2020-10-20 01:41:17,825 INFO L274 CegarLoopResult]: For program point L846-4(lines 846 852) no Hoare annotation was computed. [2020-10-20 01:41:17,826 INFO L274 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-10-20 01:41:17,826 INFO L274 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2020-10-20 01:41:17,826 INFO L274 CegarLoopResult]: For program point L815-2(lines 651 657) no Hoare annotation was computed. [2020-10-20 01:41:17,826 INFO L274 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-10-20 01:41:17,826 INFO L270 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:17,827 INFO L270 CegarLoopResult]: At program point L651(lines 650 669) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:17,827 INFO L274 CegarLoopResult]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2020-10-20 01:41:17,827 INFO L270 CegarLoopResult]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2020-10-20 01:41:17,827 INFO L270 CegarLoopResult]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2020-10-20 01:41:17,827 INFO L277 CegarLoopResult]: At program point L635(lines 616 638) the Hoare annotation is: true [2020-10-20 01:41:17,827 INFO L270 CegarLoopResult]: At program point L602(lines 598 604) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:17,828 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-20 01:41:17,828 INFO L274 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-10-20 01:41:17,828 INFO L274 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-10-20 01:41:17,828 INFO L274 CegarLoopResult]: For program point L536-2(line 536) no Hoare annotation was computed. [2020-10-20 01:41:17,828 INFO L270 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2020-10-20 01:41:17,828 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:17,828 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:17,829 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-20 01:41:17,829 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:17,829 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:17,829 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-20 01:41:17,829 INFO L274 CegarLoopResult]: For program point L557-1(lines 651 657) no Hoare annotation was computed. [2020-10-20 01:41:17,829 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-10-20 01:41:17,830 INFO L274 CegarLoopResult]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2020-10-20 01:41:17,830 INFO L274 CegarLoopResult]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2020-10-20 01:41:17,830 INFO L274 CegarLoopResult]: For program point L789(lines 789 795) no Hoare annotation was computed. [2020-10-20 01:41:17,830 INFO L270 CegarLoopResult]: At program point L789-1(lines 789 795) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:17,830 INFO L270 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:17,830 INFO L270 CegarLoopResult]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2020-10-20 01:41:17,831 INFO L270 CegarLoopResult]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2020-10-20 01:41:17,831 INFO L274 CegarLoopResult]: For program point L626(lines 626 633) no Hoare annotation was computed. [2020-10-20 01:41:17,831 INFO L277 CegarLoopResult]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2020-10-20 01:41:17,831 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:17,831 INFO L270 CegarLoopResult]: At program point L825(lines 778 826) the Hoare annotation is: false [2020-10-20 01:41:17,831 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:17,832 INFO L270 CegarLoopResult]: At program point L495(lines 490 498) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:17,832 INFO L270 CegarLoopResult]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2020-10-20 01:41:17,832 INFO L270 CegarLoopResult]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2020-10-20 01:41:17,832 INFO L274 CegarLoopResult]: For program point L842(lines 842 855) no Hoare annotation was computed. [2020-10-20 01:41:17,832 INFO L274 CegarLoopResult]: For program point L809(lines 809 820) no Hoare annotation was computed. [2020-10-20 01:41:17,832 INFO L270 CegarLoopResult]: At program point L842-1(lines 1 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:17,832 INFO L274 CegarLoopResult]: For program point L842-2(lines 842 855) no Hoare annotation was computed. [2020-10-20 01:41:17,833 INFO L270 CegarLoopResult]: At program point L842-3(lines 1 858) the Hoare annotation is: false [2020-10-20 01:41:17,833 INFO L274 CegarLoopResult]: For program point L842-4(lines 842 855) no Hoare annotation was computed. [2020-10-20 01:41:17,833 INFO L270 CegarLoopResult]: At program point L842-5(lines 1 858) the Hoare annotation is: false [2020-10-20 01:41:17,833 INFO L270 CegarLoopResult]: At program point L67(lines 1 858) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:17,833 INFO L270 CegarLoopResult]: At program point L728(lines 723 731) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:17,833 INFO L270 CegarLoopResult]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2020-10-20 01:41:17,834 INFO L270 CegarLoopResult]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2020-10-20 01:41:17,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:17 BoogieIcfgContainer [2020-10-20 01:41:17,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:17,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:17,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:17,864 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:17,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:16" (3/4) ... [2020-10-20 01:41:17,871 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:17,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:17,916 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:17,917 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:17,919 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:17,920 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:17,920 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:17,921 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:17,962 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:18,044 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:18,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:18,047 INFO L168 Benchmark]: Toolchain (without parser) took 3195.28 ms. Allocated memory was 35.1 MB in the beginning and 57.1 MB in the end (delta: 22.0 MB). Free memory was 11.2 MB in the beginning and 19.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,047 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.86 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 10.3 MB in the beginning and 26.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.43 ms. Allocated memory is still 44.0 MB. Free memory was 26.9 MB in the beginning and 24.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,049 INFO L168 Benchmark]: Boogie Preprocessor took 42.50 ms. Allocated memory is still 44.0 MB. Free memory was 24.0 MB in the beginning and 22.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,060 INFO L168 Benchmark]: RCFGBuilder took 888.79 ms. Allocated memory was 44.0 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Free memory was 21.8 MB in the beginning and 26.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,061 INFO L168 Benchmark]: TraceAbstraction took 1335.17 ms. Allocated memory was 49.3 MB in the beginning and 57.1 MB in the end (delta: 7.9 MB). Free memory was 26.4 MB in the beginning and 26.4 MB in the end (delta: 69.4 kB). Peak memory consumption was 20.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,061 INFO L168 Benchmark]: Witness Printer took 181.88 ms. Allocated memory is still 57.1 MB. Free memory was 26.4 MB in the beginning and 19.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 667.86 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 10.3 MB in the beginning and 26.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 67.43 ms. Allocated memory is still 44.0 MB. Free memory was 26.9 MB in the beginning and 24.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 42.50 ms. Allocated memory is still 44.0 MB. Free memory was 24.0 MB in the beginning and 22.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 888.79 ms. Allocated memory was 44.0 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Free memory was 21.8 MB in the beginning and 26.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1335.17 ms. Allocated memory was 49.3 MB in the beginning and 57.1 MB in the end (delta: 7.9 MB). Free memory was 26.4 MB in the beginning and 26.4 MB in the end (delta: 69.4 kB). Peak memory consumption was 20.4 MB. Max. memory is 14.3 GB. * Witness Printer took 181.88 ms. Allocated memory is still 57.1 MB. Free memory was 26.4 MB in the beginning and 19.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...