./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer --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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:26,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:26,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:26,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:26,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:26,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:26,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:26,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:26,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:26,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:26,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:26,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:26,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:26,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:26,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:26,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:26,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:26,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:26,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:26,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:26,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:26,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:26,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:26,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:26,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:26,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:26,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:26,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:26,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:26,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:26,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:26,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:26,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:26,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:26,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:26,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:26,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:26,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:26,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:26,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:26,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:26,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:26,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:26,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:26,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:26,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:26,617 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:26,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:26,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:26,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:26,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:26,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:26,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:26,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:26,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:26,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:26,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:26,619 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:26,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:26,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:26,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:26,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:26,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:26,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:26,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:26,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:26,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:26,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:26,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:26,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:26,622 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer 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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2019-10-22 09:02:26,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:26,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:26,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:26,667 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:26,668 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:26,668 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-10-22 09:02:26,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/data/0d82603e1/46693e306ccd4866ab37007ad7ccc104/FLAG0a7c01057 [2019-10-22 09:02:27,200 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:27,201 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-10-22 09:02:27,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/data/0d82603e1/46693e306ccd4866ab37007ad7ccc104/FLAG0a7c01057 [2019-10-22 09:02:27,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/data/0d82603e1/46693e306ccd4866ab37007ad7ccc104 [2019-10-22 09:02:27,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:27,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:27,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:27,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:27,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:27,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:27" (1/1) ... [2019-10-22 09:02:27,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20122f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:27, skipping insertion in model container [2019-10-22 09:02:27,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:27" (1/1) ... [2019-10-22 09:02:27,508 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:27,549 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:27,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:27,968 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:28,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:28,094 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:28,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28 WrapperNode [2019-10-22 09:02:28,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:28,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:28,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:28,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:28,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:28,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:28,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:28,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:28,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... [2019-10-22 09:02:28,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:28,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:28,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:28,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:28,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/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 [2019-10-22 09:02:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:29,006 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:29,006 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 09:02:29,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:29 BoogieIcfgContainer [2019-10-22 09:02:29,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:29,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:29,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:29,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:29,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:27" (1/3) ... [2019-10-22 09:02:29,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1fbc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:29, skipping insertion in model container [2019-10-22 09:02:29,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:28" (2/3) ... [2019-10-22 09:02:29,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1fbc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:29, skipping insertion in model container [2019-10-22 09:02:29,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:29" (3/3) ... [2019-10-22 09:02:29,018 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2019-10-22 09:02:29,030 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:29,042 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:02:29,052 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:02:29,076 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:29,076 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:29,076 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:29,076 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:29,077 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:29,077 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:29,077 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:29,077 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-10-22 09:02:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:02:29,098 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:29,099 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:29,101 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:29,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:29,111 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-10-22 09:02:29,121 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:29,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904718384] [2019-10-22 09:02:29,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:29,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904718384] [2019-10-22 09:02:29,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:29,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:29,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005764890] [2019-10-22 09:02:29,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:29,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:29,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:29,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:29,387 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-10-22 09:02:29,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:29,411 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-10-22 09:02:29,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:29,412 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 09:02:29,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:29,426 INFO L225 Difference]: With dead ends: 136 [2019-10-22 09:02:29,426 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 09:02:29,429 INFO L600 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 [2019-10-22 09:02:29,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 09:02:29,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 09:02:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 09:02:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-10-22 09:02:29,471 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-10-22 09:02:29,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:29,472 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-10-22 09:02:29,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-10-22 09:02:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:02:29,473 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:29,473 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:29,474 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:29,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:29,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-10-22 09:02:29,474 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:29,475 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083962067] [2019-10-22 09:02:29,475 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,475 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:29,579 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083962067] [2019-10-22 09:02:29,579 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:29,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:29,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812064100] [2019-10-22 09:02:29,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:29,581 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:29,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:29,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:29,582 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-10-22 09:02:29,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:29,594 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-10-22 09:02:29,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:29,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 09:02:29,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:29,595 INFO L225 Difference]: With dead ends: 67 [2019-10-22 09:02:29,596 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 09:02:29,596 INFO L600 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 [2019-10-22 09:02:29,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 09:02:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 09:02:29,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 09:02:29,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 09:02:29,602 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 09:02:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:29,602 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 09:02:29,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 09:02:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:02:29,603 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:29,604 INFO L380 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] [2019-10-22 09:02:29,604 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:29,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:29,605 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-10-22 09:02:29,605 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:29,605 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571457881] [2019-10-22 09:02:29,605 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,606 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:29,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571457881] [2019-10-22 09:02:29,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:29,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:29,710 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102806173] [2019-10-22 09:02:29,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:29,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:29,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:29,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:29,712 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-10-22 09:02:29,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:29,747 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-10-22 09:02:29,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:29,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 09:02:29,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:29,749 INFO L225 Difference]: With dead ends: 87 [2019-10-22 09:02:29,749 INFO L226 Difference]: Without dead ends: 60 [2019-10-22 09:02:29,750 INFO L600 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 [2019-10-22 09:02:29,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-22 09:02:29,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-10-22 09:02:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-10-22 09:02:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-10-22 09:02:29,767 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2019-10-22 09:02:29,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:29,768 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-10-22 09:02:29,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-10-22 09:02:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:02:29,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:29,769 INFO L380 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] [2019-10-22 09:02:29,769 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:29,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:29,770 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-10-22 09:02:29,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:29,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126838533] [2019-10-22 09:02:29,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:29,890 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126838533] [2019-10-22 09:02:29,890 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:29,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:29,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571996143] [2019-10-22 09:02:29,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:29,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:29,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:29,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:29,893 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-10-22 09:02:30,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:30,017 INFO L93 Difference]: Finished difference Result 209 states and 317 transitions. [2019-10-22 09:02:30,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:30,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 09:02:30,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:30,023 INFO L225 Difference]: With dead ends: 209 [2019-10-22 09:02:30,023 INFO L226 Difference]: Without dead ends: 159 [2019-10-22 09:02:30,024 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:30,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-10-22 09:02:30,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 100. [2019-10-22 09:02:30,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-22 09:02:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2019-10-22 09:02:30,040 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 23 [2019-10-22 09:02:30,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:30,041 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2019-10-22 09:02:30,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:30,041 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2019-10-22 09:02:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:02:30,042 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:30,042 INFO L380 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] [2019-10-22 09:02:30,042 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:30,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:30,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2019-10-22 09:02:30,043 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:30,043 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009627302] [2019-10-22 09:02:30,043 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:30,043 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:30,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:30,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009627302] [2019-10-22 09:02:30,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:30,138 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:30,138 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180544770] [2019-10-22 09:02:30,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:30,138 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:30,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:30,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:30,139 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand 5 states. [2019-10-22 09:02:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:30,249 INFO L93 Difference]: Finished difference Result 244 states and 363 transitions. [2019-10-22 09:02:30,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:30,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 09:02:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:30,250 INFO L225 Difference]: With dead ends: 244 [2019-10-22 09:02:30,250 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:30,251 INFO L600 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 [2019-10-22 09:02:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:30,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:30,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 09:02:30,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:30,252 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:30,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:30,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:30,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:30,502 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:30,502 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-10-22 09:02:30,502 INFO L443 ceAbstractionStarter]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2019-10-22 09:02:30,502 INFO L443 ceAbstractionStarter]: For program point L829-4(lines 829 835) no Hoare annotation was computed. [2019-10-22 09:02:30,502 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2019-10-22 09:02:30,503 INFO L446 ceAbstractionStarter]: At program point L615-1(lines 615 622) the Hoare annotation is: true [2019-10-22 09:02:30,503 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-10-22 09:02:30,503 INFO L439 ceAbstractionStarter]: At program point L863-1(lines 863 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,503 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-10-22 09:02:30,504 INFO L439 ceAbstractionStarter]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,504 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-22 09:02:30,504 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-22 09:02:30,504 INFO L443 ceAbstractionStarter]: For program point L633-2(line 633) no Hoare annotation was computed. [2019-10-22 09:02:30,505 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 472) no Hoare annotation was computed. [2019-10-22 09:02:30,505 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 700) no Hoare annotation was computed. [2019-10-22 09:02:30,505 INFO L443 ceAbstractionStarter]: For program point L683-1(lines 683 700) no Hoare annotation was computed. [2019-10-22 09:02:30,505 INFO L443 ceAbstractionStarter]: For program point L683-2(lines 683 700) no Hoare annotation was computed. [2019-10-22 09:02:30,505 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-10-22 09:02:30,506 INFO L439 ceAbstractionStarter]: At program point L651(lines 650 669) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,506 INFO L443 ceAbstractionStarter]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2019-10-22 09:02:30,506 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:30,506 INFO L439 ceAbstractionStarter]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2019-10-22 09:02:30,506 INFO L439 ceAbstractionStarter]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2019-10-22 09:02:30,506 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2019-10-22 09:02:30,507 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:30,507 INFO L439 ceAbstractionStarter]: At program point L753(lines 748 756) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,507 INFO L439 ceAbstractionStarter]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2019-10-22 09:02:30,507 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-10-22 09:02:30,507 INFO L439 ceAbstractionStarter]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2019-10-22 09:02:30,508 INFO L443 ceAbstractionStarter]: For program point L687-1(lines 687 695) no Hoare annotation was computed. [2019-10-22 09:02:30,510 INFO L443 ceAbstractionStarter]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2019-10-22 09:02:30,510 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-10-22 09:02:30,511 INFO L443 ceAbstractionStarter]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2019-10-22 09:02:30,511 INFO L443 ceAbstractionStarter]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2019-10-22 09:02:30,511 INFO L439 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: false [2019-10-22 09:02:30,511 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:30,512 INFO L443 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2019-10-22 09:02:30,512 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-10-22 09:02:30,512 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2019-10-22 09:02:30,512 INFO L446 ceAbstractionStarter]: At program point L624(lines 605 627) the Hoare annotation is: true [2019-10-22 09:02:30,512 INFO L439 ceAbstractionStarter]: At program point L591(lines 587 593) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:30,513 INFO L439 ceAbstractionStarter]: At program point L525(lines 520 528) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,513 INFO L439 ceAbstractionStarter]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2019-10-22 09:02:30,513 INFO L439 ceAbstractionStarter]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2019-10-22 09:02:30,513 INFO L439 ceAbstractionStarter]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2019-10-22 09:02:30,513 INFO L439 ceAbstractionStarter]: At program point L658(lines 658 664) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,514 INFO L439 ceAbstractionStarter]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2019-10-22 09:02:30,514 INFO L439 ceAbstractionStarter]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2019-10-22 09:02:30,514 INFO L439 ceAbstractionStarter]: At program point L493(lines 488 496) the Hoare annotation is: false [2019-10-22 09:02:30,514 INFO L439 ceAbstractionStarter]: At program point L493-1(lines 488 496) the Hoare annotation is: false [2019-10-22 09:02:30,514 INFO L439 ceAbstractionStarter]: At program point L493-2(lines 488 496) the Hoare annotation is: false [2019-10-22 09:02:30,514 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-10-22 09:02:30,515 INFO L439 ceAbstractionStarter]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,515 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-22 09:02:30,515 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-10-22 09:02:30,515 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 910) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:02:30,515 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:30,516 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-10-22 09:02:30,525 INFO L439 ceAbstractionStarter]: At program point L891-1(lines 651 657) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,525 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-10-22 09:02:30,525 INFO L439 ceAbstractionStarter]: At program point L825-1(lines 1 910) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:30,525 INFO L443 ceAbstractionStarter]: For program point L825-2(lines 825 838) no Hoare annotation was computed. [2019-10-22 09:02:30,526 INFO L439 ceAbstractionStarter]: At program point L825-3(lines 1 910) the Hoare annotation is: false [2019-10-22 09:02:30,526 INFO L443 ceAbstractionStarter]: For program point L825-4(lines 825 838) no Hoare annotation was computed. [2019-10-22 09:02:30,526 INFO L439 ceAbstractionStarter]: At program point L825-5(lines 1 910) the Hoare annotation is: false [2019-10-22 09:02:30,526 INFO L439 ceAbstractionStarter]: At program point L744(lines 737 747) the Hoare annotation is: false [2019-10-22 09:02:30,526 INFO L439 ceAbstractionStarter]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2019-10-22 09:02:30,527 INFO L439 ceAbstractionStarter]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2019-10-22 09:02:30,527 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-10-22 09:02:30,527 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 651 657) no Hoare annotation was computed. [2019-10-22 09:02:30,527 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 484) no Hoare annotation was computed. [2019-10-22 09:02:30,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:30 BoogieIcfgContainer [2019-10-22 09:02:30,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:30,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:30,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:30,546 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:30,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:29" (3/4) ... [2019-10-22 09:02:30,551 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:30,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:02:30,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:02:30,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 09:02:30,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:30,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:30,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:02:30,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:30,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba566666-563a-4098-af8b-bed8822ae303/bin/uautomizer/witness.graphml [2019-10-22 09:02:30,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:30,662 INFO L168 Benchmark]: Toolchain (without parser) took 3170.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 940.4 MB in the beginning and 966.2 MB in the end (delta: -25.8 MB). Peak memory consumption was 140.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:30,662 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:30,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:30,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:30,663 INFO L168 Benchmark]: Boogie Preprocessor took 37.24 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:30,664 INFO L168 Benchmark]: RCFGBuilder took 769.59 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: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:30,665 INFO L168 Benchmark]: TraceAbstraction took 1534.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.7 MB in the end (delta: 115.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:30,666 INFO L168 Benchmark]: Witness Printer took 114.35 ms. Allocated memory is still 1.2 GB. Free memory was 974.7 MB in the beginning and 966.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:30,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.24 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 769.59 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: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1534.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.7 MB in the end (delta: 115.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. * Witness Printer took 114.35 ms. Allocated memory is still 1.2 GB. Free memory was 974.7 MB in the beginning and 966.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 633]: 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: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 310 SDtfs, 300 SDslu, 260 SDs, 0 SdLazy, 57 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...