./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product04.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_spec1_product04.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 c5927a819a887aeff1d315c7b53a2aa383626d62 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:24:01,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:24:01,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:24:01,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:24:01,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:24:01,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:24:01,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:24:01,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:24:01,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:24:01,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:24:01,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:24:01,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:24:01,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:24:01,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:24:01,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:24:01,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:24:01,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:24:01,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:24:01,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:24:01,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:24:01,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:24:01,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:24:01,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:24:01,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:24:01,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:24:01,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:24:01,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:24:01,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:24:01,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:24:01,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:24:01,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:24:01,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:24:01,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:24:01,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:24:01,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:24:01,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:24:01,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:24:01,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:24:01,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:24:01,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:24:01,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:24:01,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:24:01,613 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:24:01,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:24:01,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:24:01,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:24:01,617 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:24:01,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:24:01,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:24:01,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:24:01,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:24:01,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:24:01,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:24:01,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:24:01,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:24:01,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:24:01,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:24:01,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:24:01,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:24:01,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:24:01,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:24:01,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:24:01,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:24:01,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:24:01,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:24:01,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:24:01,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:24:01,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:24:01,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:24:01,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:24:01,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:24:01,625 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 -> c5927a819a887aeff1d315c7b53a2aa383626d62 [2019-11-28 17:24:02,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:24:02,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:24:02,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:24:02,062 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:24:02,063 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:24:02,064 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2019-11-28 17:24:02,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/500245077/3bfa9c4bb77442e7be1bb8d208e1fbae/FLAGcb2b9e6e4 [2019-11-28 17:24:02,660 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:24:02,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2019-11-28 17:24:02,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/500245077/3bfa9c4bb77442e7be1bb8d208e1fbae/FLAGcb2b9e6e4 [2019-11-28 17:24:02,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/500245077/3bfa9c4bb77442e7be1bb8d208e1fbae [2019-11-28 17:24:02,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:24:02,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:24:02,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:02,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:24:02,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:24:02,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:02" (1/1) ... [2019-11-28 17:24:02,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726ded5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:02, skipping insertion in model container [2019-11-28 17:24:02,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:02" (1/1) ... [2019-11-28 17:24:03,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:24:03,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:24:03,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:03,494 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:24:03,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:03,608 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:24:03,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03 WrapperNode [2019-11-28 17:24:03,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:03,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:03,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:24:03,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:24:03,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:03,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:24:03,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:24:03,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:24:03,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (1/1) ... [2019-11-28 17:24:03,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:24:03,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:24:03,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:24:03,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:24:03,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (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 17:24:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:24:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:24:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:24:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:24:04,543 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:24:04,543 INFO L287 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-28 17:24:04,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:04 BoogieIcfgContainer [2019-11-28 17:24:04,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:24:04,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:24:04,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:24:04,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:24:04,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:02" (1/3) ... [2019-11-28 17:24:04,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f6430a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:04, skipping insertion in model container [2019-11-28 17:24:04,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:03" (2/3) ... [2019-11-28 17:24:04,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f6430a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:04, skipping insertion in model container [2019-11-28 17:24:04,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:04" (3/3) ... [2019-11-28 17:24:04,564 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2019-11-28 17:24:04,576 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:24:04,584 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:24:04,596 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:24:04,619 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:24:04,619 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:24:04,619 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:24:04,619 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:24:04,620 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:24:04,620 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:24:04,620 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:24:04,620 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:24:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-28 17:24:04,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:24:04,643 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:04,644 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:04,644 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:04,650 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2019-11-28 17:24:04,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:04,658 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463419880] [2019-11-28 17:24:04,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:04,983 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 17:24:04,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463419880] [2019-11-28 17:24:04,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:04,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:04,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093167436] [2019-11-28 17:24:04,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:24:04,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:05,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:24:05,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:05,008 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-11-28 17:24:05,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:05,033 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-11-28 17:24:05,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:24:05,035 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:24:05,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:05,048 INFO L225 Difference]: With dead ends: 112 [2019-11-28 17:24:05,049 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:24:05,052 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 17:24:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:24:05,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:24:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:24:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-11-28 17:24:05,092 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-11-28 17:24:05,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:05,093 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-11-28 17:24:05,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:24:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-28 17:24:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:24:05,095 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:05,095 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:05,095 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:05,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:05,096 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2019-11-28 17:24:05,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:05,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505336928] [2019-11-28 17:24:05,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:05,211 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 17:24:05,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505336928] [2019-11-28 17:24:05,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:05,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:24:05,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996995701] [2019-11-28 17:24:05,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:05,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:05,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:05,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:05,216 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-11-28 17:24:05,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:05,228 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-11-28 17:24:05,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:05,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:24:05,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:05,230 INFO L225 Difference]: With dead ends: 55 [2019-11-28 17:24:05,230 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 17:24:05,233 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 17:24:05,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 17:24:05,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 17:24:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 17:24:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-28 17:24:05,246 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-11-28 17:24:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:05,247 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-28 17:24:05,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-28 17:24:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:24:05,249 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:05,249 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] [2019-11-28 17:24:05,250 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:05,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:05,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2019-11-28 17:24:05,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:05,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744815881] [2019-11-28 17:24:05,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:05,406 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 17:24:05,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744815881] [2019-11-28 17:24:05,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:05,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:24:05,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262098404] [2019-11-28 17:24:05,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:05,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:05,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:05,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:05,410 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2019-11-28 17:24:05,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:05,467 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2019-11-28 17:24:05,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:05,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 17:24:05,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:05,471 INFO L225 Difference]: With dead ends: 75 [2019-11-28 17:24:05,471 INFO L226 Difference]: Without dead ends: 52 [2019-11-28 17:24:05,472 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 17:24:05,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-28 17:24:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2019-11-28 17:24:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-28 17:24:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-11-28 17:24:05,494 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-11-28 17:24:05,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:05,496 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-11-28 17:24:05,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-11-28 17:24:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:24:05,500 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:05,500 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] [2019-11-28 17:24:05,500 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:05,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:05,501 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2019-11-28 17:24:05,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:05,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808925442] [2019-11-28 17:24:05,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:05,616 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 17:24:05,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808925442] [2019-11-28 17:24:05,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:05,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:05,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084501719] [2019-11-28 17:24:05,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:05,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:05,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:05,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:05,619 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-11-28 17:24:05,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:05,734 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2019-11-28 17:24:05,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:24:05,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 17:24:05,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:05,738 INFO L225 Difference]: With dead ends: 214 [2019-11-28 17:24:05,741 INFO L226 Difference]: Without dead ends: 172 [2019-11-28 17:24:05,742 INFO L630 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 [2019-11-28 17:24:05,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-11-28 17:24:05,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2019-11-28 17:24:05,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-28 17:24:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2019-11-28 17:24:05,782 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2019-11-28 17:24:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:05,783 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2019-11-28 17:24:05,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2019-11-28 17:24:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 17:24:05,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:05,787 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] [2019-11-28 17:24:05,788 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:05,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:05,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2019-11-28 17:24:05,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:05,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655377353] [2019-11-28 17:24:05,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:05,911 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 17:24:05,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655377353] [2019-11-28 17:24:05,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:05,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:05,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611386412] [2019-11-28 17:24:05,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:05,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:05,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:05,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:05,917 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2019-11-28 17:24:06,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:06,020 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2019-11-28 17:24:06,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:24:06,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 17:24:06,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:06,023 INFO L225 Difference]: With dead ends: 268 [2019-11-28 17:24:06,024 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:24:06,025 INFO L630 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 [2019-11-28 17:24:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:24:06,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:24:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:24:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:24:06,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-28 17:24:06,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:06,030 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:24:06,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:24:06,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:24:06,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:24:06,242 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:24:06,242 INFO L246 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2019-11-28 17:24:06,243 INFO L242 CegarLoopResult]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,243 INFO L246 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2019-11-28 17:24:06,243 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:24:06,243 INFO L246 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-11-28 17:24:06,243 INFO L242 CegarLoopResult]: At program point L103-1(lines 139 145) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,244 INFO L249 CegarLoopResult]: At program point L864(lines 845 867) the Hoare annotation is: true [2019-11-28 17:24:06,244 INFO L242 CegarLoopResult]: At program point L832(lines 828 834) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:06,244 INFO L242 CegarLoopResult]: At program point L139(lines 138 157) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,244 INFO L246 CegarLoopResult]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2019-11-28 17:24:06,244 INFO L242 CegarLoopResult]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2019-11-28 17:24:06,245 INFO L242 CegarLoopResult]: At program point L139-3(lines 138 157) the Hoare annotation is: false [2019-11-28 17:24:06,245 INFO L242 CegarLoopResult]: At program point L734(lines 1 867) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:06,245 INFO L246 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-11-28 17:24:06,245 INFO L246 CegarLoopResult]: For program point L635-3(lines 635 639) no Hoare annotation was computed. [2019-11-28 17:24:06,245 INFO L246 CegarLoopResult]: For program point L635-6(lines 635 639) no Hoare annotation was computed. [2019-11-28 17:24:06,245 INFO L242 CegarLoopResult]: At program point L784-2(lines 784 798) the Hoare annotation is: false [2019-11-28 17:24:06,246 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:24:06,246 INFO L246 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2019-11-28 17:24:06,246 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-28 17:24:06,246 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,246 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:24:06,247 INFO L246 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-11-28 17:24:06,247 INFO L242 CegarLoopResult]: At program point L242-1(lines 242 248) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,247 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 17:24:06,247 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 17:24:06,247 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 17:24:06,248 INFO L242 CegarLoopResult]: At program point L672(lines 667 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,248 INFO L242 CegarLoopResult]: At program point L672-1(lines 667 675) the Hoare annotation is: false [2019-11-28 17:24:06,248 INFO L242 CegarLoopResult]: At program point L672-2(lines 667 675) the Hoare annotation is: false [2019-11-28 17:24:06,248 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:24:06,248 INFO L246 CegarLoopResult]: For program point L788(lines 788 792) no Hoare annotation was computed. [2019-11-28 17:24:06,248 INFO L246 CegarLoopResult]: For program point L755(lines 755 768) no Hoare annotation was computed. [2019-11-28 17:24:06,249 INFO L246 CegarLoopResult]: For program point L788-1(lines 139 145) no Hoare annotation was computed. [2019-11-28 17:24:06,249 INFO L242 CegarLoopResult]: At program point L755-1(lines 1 867) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,249 INFO L246 CegarLoopResult]: For program point L755-2(lines 755 768) no Hoare annotation was computed. [2019-11-28 17:24:06,249 INFO L242 CegarLoopResult]: At program point L755-3(lines 1 867) the Hoare annotation is: false [2019-11-28 17:24:06,249 INFO L246 CegarLoopResult]: For program point L755-4(lines 755 768) no Hoare annotation was computed. [2019-11-28 17:24:06,250 INFO L242 CegarLoopResult]: At program point L755-5(lines 1 867) the Hoare annotation is: false [2019-11-28 17:24:06,250 INFO L246 CegarLoopResult]: For program point L95(lines 95 110) no Hoare annotation was computed. [2019-11-28 17:24:06,250 INFO L246 CegarLoopResult]: For program point L855(lines 855 862) no Hoare annotation was computed. [2019-11-28 17:24:06,250 INFO L249 CegarLoopResult]: At program point L855-1(lines 855 862) the Hoare annotation is: true [2019-11-28 17:24:06,250 INFO L242 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,250 INFO L242 CegarLoopResult]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2019-11-28 17:24:06,251 INFO L242 CegarLoopResult]: At program point L146-2(lines 146 152) the Hoare annotation is: false [2019-11-28 17:24:06,251 INFO L246 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-11-28 17:24:06,251 INFO L242 CegarLoopResult]: At program point L742(lines 737 745) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:06,251 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:24:06,251 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 17:24:06,252 INFO L246 CegarLoopResult]: For program point L759(lines 759 765) no Hoare annotation was computed. [2019-11-28 17:24:06,252 INFO L246 CegarLoopResult]: For program point L759-2(lines 759 765) no Hoare annotation was computed. [2019-11-28 17:24:06,252 INFO L242 CegarLoopResult]: At program point L115(lines 64 116) the Hoare annotation is: false [2019-11-28 17:24:06,252 INFO L246 CegarLoopResult]: For program point L759-4(lines 759 765) no Hoare annotation was computed. [2019-11-28 17:24:06,252 INFO L242 CegarLoopResult]: At program point L198(lines 193 201) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:06,253 INFO L242 CegarLoopResult]: At program point L198-1(lines 193 201) the Hoare annotation is: false [2019-11-28 17:24:06,253 INFO L242 CegarLoopResult]: At program point L198-2(lines 193 201) the Hoare annotation is: false [2019-11-28 17:24:06,253 INFO L246 CegarLoopResult]: For program point L66(lines 65 114) no Hoare annotation was computed. [2019-11-28 17:24:06,253 INFO L246 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2019-11-28 17:24:06,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:24:06 BoogieIcfgContainer [2019-11-28 17:24:06,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:24:06,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:24:06,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:24:06,283 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:24:06,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:04" (3/4) ... [2019-11-28 17:24:06,287 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:24:06,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:24:06,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:24:06,305 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:24:06,305 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:24:06,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:24:06,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:06,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:06,343 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:06,392 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:24:06,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:24:06,395 INFO L168 Benchmark]: Toolchain (without parser) took 3416.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Free memory was 961.7 MB in the beginning and 856.1 MB in the end (delta: 105.6 MB). Peak memory consumption was 164.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:06,395 INFO L168 Benchmark]: CDTParser took 0.75 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 17:24:06,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -70.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:06,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:24:06,396 INFO L168 Benchmark]: Boogie Preprocessor took 56.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:06,397 INFO L168 Benchmark]: RCFGBuilder took 808.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 983.5 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:06,397 INFO L168 Benchmark]: TraceAbstraction took 1733.58 ms. Allocated memory is still 1.1 GB. Free memory was 976.5 MB in the beginning and 863.2 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:06,398 INFO L168 Benchmark]: Witness Printer took 109.87 ms. Allocated memory is still 1.1 GB. Free memory was 863.2 MB in the beginning and 856.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:06,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 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 624.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -70.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 808.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 983.5 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1733.58 ms. Allocated memory is still 1.1 GB. Free memory was 976.5 MB in the beginning and 863.2 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. * Witness Printer took 109.87 ms. Allocated memory is still 1.1 GB. Free memory was 863.2 MB in the beginning and 856.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 270 SDtfs, 278 SDslu, 270 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...