./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_spec2_product31.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 c01215307b2c8189e4e6745962a1a26d113e8096 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:20:56,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:20:56,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:20:56,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:20:56,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:20:56,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:20:56,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:20:56,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:20:56,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:20:56,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:20:56,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:20:56,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:20:56,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:20:56,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:20:56,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:20:56,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:20:56,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:20:56,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:20:56,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:20:56,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:20:56,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:20:56,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:20:56,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:20:56,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:20:56,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:20:56,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:20:56,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:20:56,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:20:56,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:20:56,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:20:56,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:20:56,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:20:56,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:20:56,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:20:56,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:20:56,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:20:56,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:20:56,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:20:56,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:20:56,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:20:56,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:20:56,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:20:56,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:20:56,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:20:56,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:20:56,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:20:56,618 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:20:56,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:20:56,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:20:56,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:20:56,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:20:56,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:20:56,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:20:56,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:20:56,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:20:56,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:20:56,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:20:56,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:20:56,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:20:56,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:20:56,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:20:56,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:20:56,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:20:56,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:20:56,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:20:56,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:20:56,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:20:56,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:20:56,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:20:56,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:20:56,628 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 -> c01215307b2c8189e4e6745962a1a26d113e8096 [2019-11-28 00:20:56,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:20:56,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:20:56,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:20:56,935 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:20:56,935 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:20:56,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-11-28 00:20:57,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca671ba56/bfa04b23d2754fa4bf71f90ddffc4a8a/FLAG021f5528b [2019-11-28 00:20:57,557 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:20:57,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-11-28 00:20:57,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca671ba56/bfa04b23d2754fa4bf71f90ddffc4a8a/FLAG021f5528b [2019-11-28 00:20:57,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca671ba56/bfa04b23d2754fa4bf71f90ddffc4a8a [2019-11-28 00:20:57,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:20:57,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:20:57,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:57,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:20:57,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:20:57,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550f4497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:57, skipping insertion in model container [2019-11-28 00:20:57,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:57" (1/1) ... [2019-11-28 00:20:57,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:20:57,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:20:58,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:58,384 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:20:58,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:58,558 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:20:58,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58 WrapperNode [2019-11-28 00:20:58,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:58,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:58,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:20:58,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:20:58,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:58,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:20:58,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:20:58,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:20:58,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (1/1) ... [2019-11-28 00:20:58,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:20:58,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:20:58,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:20:58,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:20:58,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (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 00:20:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:20:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:20:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:20:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:20:59,792 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:20:59,792 INFO L297 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 00:20:59,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:59 BoogieIcfgContainer [2019-11-28 00:20:59,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:20:59,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:20:59,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:20:59,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:20:59,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:20:57" (1/3) ... [2019-11-28 00:20:59,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310c627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:59, skipping insertion in model container [2019-11-28 00:20:59,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:58" (2/3) ... [2019-11-28 00:20:59,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310c627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:59, skipping insertion in model container [2019-11-28 00:20:59,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:59" (3/3) ... [2019-11-28 00:20:59,805 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2019-11-28 00:20:59,815 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:20:59,822 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:20:59,835 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:20:59,857 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:20:59,857 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:20:59,857 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:20:59,858 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:20:59,858 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:20:59,858 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:20:59,858 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:20:59,859 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:20:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-11-28 00:20:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:20:59,883 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:59,884 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:59,885 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:59,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:59,891 INFO L82 PathProgramCache]: Analyzing trace with hash 280793572, now seen corresponding path program 1 times [2019-11-28 00:20:59,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:59,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280691840] [2019-11-28 00:20:59,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:00,182 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 00:21:00,185 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280691840] [2019-11-28 00:21:00,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:00,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:00,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123440896] [2019-11-28 00:21:00,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:00,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:00,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:00,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:00,212 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-11-28 00:21:00,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:00,258 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2019-11-28 00:21:00,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:00,260 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:00,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:00,272 INFO L225 Difference]: With dead ends: 215 [2019-11-28 00:21:00,272 INFO L226 Difference]: Without dead ends: 107 [2019-11-28 00:21:00,276 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 00:21:00,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-28 00:21:00,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-28 00:21:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-28 00:21:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2019-11-28 00:21:00,323 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2019-11-28 00:21:00,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:00,324 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2019-11-28 00:21:00,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2019-11-28 00:21:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:00,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:00,326 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:00,326 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:00,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:00,327 INFO L82 PathProgramCache]: Analyzing trace with hash 61957603, now seen corresponding path program 1 times [2019-11-28 00:21:00,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:00,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288163331] [2019-11-28 00:21:00,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:00,462 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 00:21:00,462 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288163331] [2019-11-28 00:21:00,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:00,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:00,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121088986] [2019-11-28 00:21:00,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:00,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:00,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:00,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:00,468 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2019-11-28 00:21:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:00,496 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2019-11-28 00:21:00,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:00,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:00,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:00,500 INFO L225 Difference]: With dead ends: 107 [2019-11-28 00:21:00,500 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 00:21:00,503 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 00:21:00,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 00:21:00,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 00:21:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 00:21:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-28 00:21:00,517 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-11-28 00:21:00,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:00,518 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-28 00:21:00,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-28 00:21:00,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:00,520 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:00,520 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:00,520 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:00,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:00,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2019-11-28 00:21:00,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:00,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445122089] [2019-11-28 00:21:00,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:00,668 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 00:21:00,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445122089] [2019-11-28 00:21:00,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:00,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:00,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198861021] [2019-11-28 00:21:00,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:00,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:00,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:00,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:00,672 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-28 00:21:00,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:00,706 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2019-11-28 00:21:00,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:00,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:00,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:00,708 INFO L225 Difference]: With dead ends: 127 [2019-11-28 00:21:00,709 INFO L226 Difference]: Without dead ends: 87 [2019-11-28 00:21:00,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 00:21:00,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-11-28 00:21:00,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2019-11-28 00:21:00,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-28 00:21:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2019-11-28 00:21:00,721 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2019-11-28 00:21:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:00,722 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2019-11-28 00:21:00,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2019-11-28 00:21:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:00,726 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:00,726 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:00,727 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:00,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:00,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2019-11-28 00:21:00,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:00,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395728462] [2019-11-28 00:21:00,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:00,845 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 00:21:00,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395728462] [2019-11-28 00:21:00,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:00,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:00,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7280175] [2019-11-28 00:21:00,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:00,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:00,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:00,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:00,848 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand 5 states. [2019-11-28 00:21:01,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:01,035 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2019-11-28 00:21:01,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:01,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 00:21:01,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:01,039 INFO L225 Difference]: With dead ends: 409 [2019-11-28 00:21:01,040 INFO L226 Difference]: Without dead ends: 333 [2019-11-28 00:21:01,041 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 00:21:01,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2019-11-28 00:21:01,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2019-11-28 00:21:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-28 00:21:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2019-11-28 00:21:01,066 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2019-11-28 00:21:01,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:01,066 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2019-11-28 00:21:01,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:01,067 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2019-11-28 00:21:01,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:01,069 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:01,069 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:01,069 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:01,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:01,070 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2019-11-28 00:21:01,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:01,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673917082] [2019-11-28 00:21:01,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:01,161 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 00:21:01,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673917082] [2019-11-28 00:21:01,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:01,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:01,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542081758] [2019-11-28 00:21:01,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:01,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:01,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:01,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:01,164 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand 5 states. [2019-11-28 00:21:01,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:01,254 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2019-11-28 00:21:01,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:01,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 00:21:01,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:01,255 INFO L225 Difference]: With dead ends: 359 [2019-11-28 00:21:01,256 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:01,258 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 00:21:01,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:01,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:01,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:01,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-11-28 00:21:01,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:01,259 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:01,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:01,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:01,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:01,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:01,576 INFO L246 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2019-11-28 00:21:01,576 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2019-11-28 00:21:01,577 INFO L246 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2019-11-28 00:21:01,577 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 186) no Hoare annotation was computed. [2019-11-28 00:21:01,578 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-11-28 00:21:01,578 INFO L246 CegarLoopResult]: For program point L169-2(lines 169 186) no Hoare annotation was computed. [2019-11-28 00:21:01,578 INFO L246 CegarLoopResult]: For program point L169-3(lines 169 186) no Hoare annotation was computed. [2019-11-28 00:21:01,578 INFO L246 CegarLoopResult]: For program point L169-4(lines 169 186) no Hoare annotation was computed. [2019-11-28 00:21:01,579 INFO L246 CegarLoopResult]: For program point L169-5(lines 169 186) no Hoare annotation was computed. [2019-11-28 00:21:01,579 INFO L242 CegarLoopResult]: At program point L137(lines 136 155) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,579 INFO L246 CegarLoopResult]: For program point L137-1(lines 137 143) no Hoare annotation was computed. [2019-11-28 00:21:01,580 INFO L242 CegarLoopResult]: At program point L137-2(lines 136 155) the Hoare annotation is: false [2019-11-28 00:21:01,580 INFO L242 CegarLoopResult]: At program point L137-3(lines 136 155) the Hoare annotation is: false [2019-11-28 00:21:01,580 INFO L246 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2019-11-28 00:21:01,581 INFO L246 CegarLoopResult]: For program point L765(lines 765 775) no Hoare annotation was computed. [2019-11-28 00:21:01,581 INFO L246 CegarLoopResult]: For program point L798-1(lines 137 143) no Hoare annotation was computed. [2019-11-28 00:21:01,581 INFO L246 CegarLoopResult]: For program point L765-2(lines 765 775) no Hoare annotation was computed. [2019-11-28 00:21:01,581 INFO L246 CegarLoopResult]: For program point L765-4(lines 765 775) no Hoare annotation was computed. [2019-11-28 00:21:01,582 INFO L246 CegarLoopResult]: For program point L766(lines 766 772) no Hoare annotation was computed. [2019-11-28 00:21:01,582 INFO L246 CegarLoopResult]: For program point L766-2(lines 766 772) no Hoare annotation was computed. [2019-11-28 00:21:01,582 INFO L246 CegarLoopResult]: For program point L766-4(lines 766 772) no Hoare annotation was computed. [2019-11-28 00:21:01,583 INFO L242 CegarLoopResult]: At program point L965(lines 960 968) the Hoare annotation is: false [2019-11-28 00:21:01,583 INFO L242 CegarLoopResult]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2019-11-28 00:21:01,583 INFO L246 CegarLoopResult]: For program point L899(lines 899 903) no Hoare annotation was computed. [2019-11-28 00:21:01,583 INFO L242 CegarLoopResult]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2019-11-28 00:21:01,584 INFO L246 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2019-11-28 00:21:01,584 INFO L242 CegarLoopResult]: At program point L965-3(lines 960 968) the Hoare annotation is: false [2019-11-28 00:21:01,584 INFO L242 CegarLoopResult]: At program point L965-4(lines 960 968) the Hoare annotation is: false [2019-11-28 00:21:01,585 INFO L249 CegarLoopResult]: At program point L866-1(lines 866 873) the Hoare annotation is: true [2019-11-28 00:21:01,585 INFO L242 CegarLoopResult]: At program point L965-5(lines 960 968) the Hoare annotation is: false [2019-11-28 00:21:01,585 INFO L246 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2019-11-28 00:21:01,585 INFO L246 CegarLoopResult]: For program point L173-1(lines 173 181) no Hoare annotation was computed. [2019-11-28 00:21:01,586 INFO L246 CegarLoopResult]: For program point L173-2(lines 173 181) no Hoare annotation was computed. [2019-11-28 00:21:01,586 INFO L246 CegarLoopResult]: For program point L173-3(lines 173 181) no Hoare annotation was computed. [2019-11-28 00:21:01,586 INFO L246 CegarLoopResult]: For program point L173-4(lines 173 181) no Hoare annotation was computed. [2019-11-28 00:21:01,586 INFO L246 CegarLoopResult]: For program point L173-5(lines 173 181) no Hoare annotation was computed. [2019-11-28 00:21:01,587 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-28 00:21:01,589 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 00:21:01,589 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2019-11-28 00:21:01,590 INFO L242 CegarLoopResult]: At program point L373(lines 368 376) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:21:01,590 INFO L242 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,590 INFO L242 CegarLoopResult]: At program point L144-1(lines 144 150) the Hoare annotation is: false [2019-11-28 00:21:01,591 INFO L242 CegarLoopResult]: At program point L144-2(lines 144 150) the Hoare annotation is: false [2019-11-28 00:21:01,591 INFO L249 CegarLoopResult]: At program point L875(lines 856 878) the Hoare annotation is: true [2019-11-28 00:21:01,591 INFO L242 CegarLoopResult]: At program point L842(lines 838 844) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:21:01,592 INFO L246 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,595 INFO L246 CegarLoopResult]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,595 INFO L246 CegarLoopResult]: For program point L314-3(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,595 INFO L246 CegarLoopResult]: For program point L314-5(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,596 INFO L246 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2019-11-28 00:21:01,596 INFO L246 CegarLoopResult]: For program point L314-6(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,596 INFO L246 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2019-11-28 00:21:01,596 INFO L246 CegarLoopResult]: For program point L314-8(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,597 INFO L246 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2019-11-28 00:21:01,597 INFO L246 CegarLoopResult]: For program point L314-9(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,597 INFO L246 CegarLoopResult]: For program point L314-11(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,597 INFO L246 CegarLoopResult]: For program point L314-12(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,597 INFO L246 CegarLoopResult]: For program point L314-14(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,598 INFO L246 CegarLoopResult]: For program point L314-15(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,598 INFO L246 CegarLoopResult]: For program point L314-17(lines 314 318) no Hoare annotation was computed. [2019-11-28 00:21:01,598 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-28 00:21:01,598 INFO L246 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-11-28 00:21:01,599 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:01,599 INFO L242 CegarLoopResult]: At program point L320(lines 305 323) the Hoare annotation is: false [2019-11-28 00:21:01,599 INFO L242 CegarLoopResult]: At program point L320-1(lines 305 323) the Hoare annotation is: false [2019-11-28 00:21:01,599 INFO L242 CegarLoopResult]: At program point L320-2(lines 305 323) the Hoare annotation is: false [2019-11-28 00:21:01,600 INFO L242 CegarLoopResult]: At program point L320-3(lines 305 323) the Hoare annotation is: false [2019-11-28 00:21:01,600 INFO L242 CegarLoopResult]: At program point L320-4(lines 305 323) the Hoare annotation is: false [2019-11-28 00:21:01,600 INFO L242 CegarLoopResult]: At program point L320-5(lines 305 323) the Hoare annotation is: false [2019-11-28 00:21:01,600 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-28 00:21:01,601 INFO L242 CegarLoopResult]: At program point L750(lines 745 752) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:21:01,601 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-28 00:21:01,601 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:01,601 INFO L242 CegarLoopResult]: At program point L256(lines 249 259) the Hoare annotation is: false [2019-11-28 00:21:01,601 INFO L242 CegarLoopResult]: At program point L256-1(lines 249 259) the Hoare annotation is: false [2019-11-28 00:21:01,602 INFO L242 CegarLoopResult]: At program point L256-2(lines 249 259) the Hoare annotation is: false [2019-11-28 00:21:01,602 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-28 00:21:01,602 INFO L242 CegarLoopResult]: At program point L91-1(lines 137 143) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,603 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:01,603 INFO L246 CegarLoopResult]: For program point L887(lines 887 891) no Hoare annotation was computed. [2019-11-28 00:21:01,603 INFO L246 CegarLoopResult]: For program point L887-3(lines 887 891) no Hoare annotation was computed. [2019-11-28 00:21:01,603 INFO L246 CegarLoopResult]: For program point L887-6(lines 887 891) no Hoare annotation was computed. [2019-11-28 00:21:01,603 INFO L246 CegarLoopResult]: For program point L195(lines 195 212) no Hoare annotation was computed. [2019-11-28 00:21:01,604 INFO L246 CegarLoopResult]: For program point L195-1(lines 195 212) no Hoare annotation was computed. [2019-11-28 00:21:01,604 INFO L246 CegarLoopResult]: For program point L195-2(lines 195 212) no Hoare annotation was computed. [2019-11-28 00:21:01,604 INFO L246 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2019-11-28 00:21:01,604 INFO L242 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,604 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-28 00:21:01,605 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,605 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:01,605 INFO L242 CegarLoopResult]: At program point L924(lines 919 927) the Hoare annotation is: false [2019-11-28 00:21:01,605 INFO L242 CegarLoopResult]: At program point L924-1(lines 919 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,606 INFO L242 CegarLoopResult]: At program point L924-2(lines 919 927) the Hoare annotation is: false [2019-11-28 00:21:01,606 INFO L242 CegarLoopResult]: At program point L924-3(lines 919 927) the Hoare annotation is: false [2019-11-28 00:21:01,606 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2019-11-28 00:21:01,606 INFO L242 CegarLoopResult]: At program point L924-4(lines 919 927) the Hoare annotation is: false [2019-11-28 00:21:01,607 INFO L242 CegarLoopResult]: At program point L924-5(lines 919 927) the Hoare annotation is: false [2019-11-28 00:21:01,607 INFO L242 CegarLoopResult]: At program point L265(lines 260 268) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,607 INFO L242 CegarLoopResult]: At program point L265-1(lines 260 268) the Hoare annotation is: false [2019-11-28 00:21:01,607 INFO L246 CegarLoopResult]: For program point L199(lines 199 207) no Hoare annotation was computed. [2019-11-28 00:21:01,607 INFO L242 CegarLoopResult]: At program point L265-2(lines 260 268) the Hoare annotation is: false [2019-11-28 00:21:01,608 INFO L246 CegarLoopResult]: For program point L199-1(lines 199 207) no Hoare annotation was computed. [2019-11-28 00:21:01,608 INFO L246 CegarLoopResult]: For program point L199-2(lines 199 207) no Hoare annotation was computed. [2019-11-28 00:21:01,608 INFO L246 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2019-11-28 00:21:01,608 INFO L242 CegarLoopResult]: At program point L761-1(lines 1 968) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:01,609 INFO L242 CegarLoopResult]: At program point L794-2(lines 794 808) the Hoare annotation is: false [2019-11-28 00:21:01,609 INFO L246 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2019-11-28 00:21:01,609 INFO L242 CegarLoopResult]: At program point L761-3(lines 1 968) the Hoare annotation is: false [2019-11-28 00:21:01,609 INFO L246 CegarLoopResult]: For program point L761-4(lines 761 778) no Hoare annotation was computed. [2019-11-28 00:21:01,610 INFO L242 CegarLoopResult]: At program point L761-5(lines 1 968) the Hoare annotation is: false [2019-11-28 00:21:01,610 INFO L242 CegarLoopResult]: At program point L365(lines 1 968) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:21:01,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:01 BoogieIcfgContainer [2019-11-28 00:21:01,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:01,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:01,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:01,641 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:01,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:59" (3/4) ... [2019-11-28 00:21:01,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:01,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:01,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:01,704 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:01,705 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:01,706 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:01,707 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:01,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:01,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:21:01,891 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:01,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:01,894 INFO L168 Benchmark]: Toolchain (without parser) took 4040.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 911.5 MB in the end (delta: 39.4 MB). Peak memory consumption was 192.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,894 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:01,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,895 INFO L168 Benchmark]: Boogie Preprocessor took 61.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:01,896 INFO L168 Benchmark]: RCFGBuilder took 1075.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,896 INFO L168 Benchmark]: TraceAbstraction took 1842.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.8 MB in the end (delta: 132.2 MB). Peak memory consumption was 132.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,897 INFO L168 Benchmark]: Witness Printer took 254.03 ms. Allocated memory is still 1.2 GB. Free memory was 924.8 MB in the beginning and 911.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:01,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 705.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1075.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1842.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.8 MB in the end (delta: 132.2 MB). Peak memory consumption was 132.2 MB. Max. memory is 11.5 GB. * Witness Printer took 254.03 ms. Allocated memory is still 1.2 GB. Free memory was 924.8 MB in the beginning and 911.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 116]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 116]: 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: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: 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: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 451 SDtfs, 412 SDslu, 454 SDs, 0 SdLazy, 70 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 138 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5549 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...