./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.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_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/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 06e1bbb05b064353049072459310c7da1eede934 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:56:56,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:56,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:56,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:56,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:56,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:56,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:56,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:56,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:56,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:56,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:56,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:56,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:56,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:56,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:56,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:56,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:56,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:56,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:56,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:56,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:56,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:56,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:56,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:56,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:56,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:56,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:56,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:56,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:56,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:56,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:56,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:56,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:56,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:56,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:56,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:56,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:56,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:56,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:56,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:56,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:56,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:56,308 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:56,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:56,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:56,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:56,310 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:56,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:56,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:56,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:56,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:56,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:56,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:56,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:56,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:56,312 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:56,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:56,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:56,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:56,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:56,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:56,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:56,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:56,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:56,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:56,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:56,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:56,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:56,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:56,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:56,314 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_a31b4b8c-47dd-42f1-a09f-63197abbc0db/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 -> 06e1bbb05b064353049072459310c7da1eede934 [2019-10-22 08:56:56,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:56,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:56,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:56,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:56,370 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:56,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-10-22 08:56:56,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/data/80818d10b/c4dc6745d53e4c18aff3a385bf77411e/FLAG27f2f0daf [2019-10-22 08:56:56,875 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:56,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-10-22 08:56:56,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/data/80818d10b/c4dc6745d53e4c18aff3a385bf77411e/FLAG27f2f0daf [2019-10-22 08:56:57,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/data/80818d10b/c4dc6745d53e4c18aff3a385bf77411e [2019-10-22 08:56:57,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:57,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:57,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:57,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:57,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:57,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fda6529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57, skipping insertion in model container [2019-10-22 08:56:57,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,412 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:57,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:57,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:57,776 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:57,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:57,904 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:57,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57 WrapperNode [2019-10-22 08:56:57,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:57,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:57,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:57,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:57,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:57,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:57,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:57,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:57,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... [2019-10-22 08:56:57,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:57,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:57,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:57,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:57,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/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 08:56:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:58,781 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:58,782 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-10-22 08:56:58,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:58 BoogieIcfgContainer [2019-10-22 08:56:58,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:58,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:58,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:58,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:58,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:57" (1/3) ... [2019-10-22 08:56:58,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f70c0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:58, skipping insertion in model container [2019-10-22 08:56:58,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:57" (2/3) ... [2019-10-22 08:56:58,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f70c0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:58, skipping insertion in model container [2019-10-22 08:56:58,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:58" (3/3) ... [2019-10-22 08:56:58,797 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2019-10-22 08:56:58,809 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:58,821 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:56:58,832 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:56:58,869 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:58,869 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:58,870 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:58,870 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:58,870 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:58,870 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:58,870 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:58,870 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-10-22 08:56:58,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:56:58,896 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:58,897 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:58,899 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:58,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:58,905 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-10-22 08:56:58,913 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:58,914 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493470117] [2019-10-22 08:56:58,914 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:58,914 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:58,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:59,116 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 08:56:59,117 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493470117] [2019-10-22 08:56:59,118 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:59,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:59,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664582294] [2019-10-22 08:56:59,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:59,123 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:59,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:59,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:59,135 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-10-22 08:56:59,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:59,163 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-10-22 08:56:59,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:59,165 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 08:56:59,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:59,179 INFO L225 Difference]: With dead ends: 132 [2019-10-22 08:56:59,179 INFO L226 Difference]: Without dead ends: 65 [2019-10-22 08:56:59,182 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 08:56:59,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-10-22 08:56:59,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-10-22 08:56:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 08:56:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-10-22 08:56:59,233 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-10-22 08:56:59,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:59,234 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:56:59,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-10-22 08:56:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:56:59,235 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:59,235 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 08:56:59,235 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:59,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-10-22 08:56:59,238 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:59,239 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831421193] [2019-10-22 08:56:59,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:59,403 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 08:56:59,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831421193] [2019-10-22 08:56:59,403 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:59,403 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:59,403 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199715135] [2019-10-22 08:56:59,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:59,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:59,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:59,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:59,406 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-10-22 08:56:59,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:59,420 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-10-22 08:56:59,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:59,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 08:56:59,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:59,422 INFO L225 Difference]: With dead ends: 65 [2019-10-22 08:56:59,424 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 08:56:59,425 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 08:56:59,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 08:56:59,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 08:56:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 08:56:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 08:56:59,434 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-10-22 08:56:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:59,434 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 08:56:59,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 08:56:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:56:59,436 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:59,436 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 08:56:59,436 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:59,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:59,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-10-22 08:56:59,437 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:59,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519665590] [2019-10-22 08:56:59,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:59,535 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 08:56:59,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519665590] [2019-10-22 08:56:59,536 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:59,536 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:59,536 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422150176] [2019-10-22 08:56:59,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:59,537 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:59,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:59,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:59,538 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-10-22 08:56:59,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:59,544 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-10-22 08:56:59,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:59,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 08:56:59,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:59,546 INFO L225 Difference]: With dead ends: 56 [2019-10-22 08:56:59,546 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 08:56:59,546 INFO L600 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 [2019-10-22 08:56:59,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 08:56:59,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 08:56:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 08:56:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-10-22 08:56:59,550 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-10-22 08:56:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:59,551 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-10-22 08:56:59,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-10-22 08:56:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:56:59,552 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:59,552 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 08:56:59,552 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:59,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:59,553 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-10-22 08:56:59,553 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:59,553 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652010556] [2019-10-22 08:56:59,553 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,553 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:59,610 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 08:56:59,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652010556] [2019-10-22 08:56:59,611 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:59,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:59,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143095771] [2019-10-22 08:56:59,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:59,611 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:59,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:59,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:59,612 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2019-10-22 08:56:59,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:59,772 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2019-10-22 08:56:59,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:56:59,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 08:56:59,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:59,778 INFO L225 Difference]: With dead ends: 132 [2019-10-22 08:56:59,778 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 08:56:59,778 INFO L600 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 [2019-10-22 08:56:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 08:56:59,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2019-10-22 08:56:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 08:56:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2019-10-22 08:56:59,790 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2019-10-22 08:56:59,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:59,790 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2019-10-22 08:56:59,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2019-10-22 08:56:59,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:56:59,791 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:59,791 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 08:56:59,792 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:59,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2028068683, now seen corresponding path program 1 times [2019-10-22 08:56:59,792 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:59,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968721318] [2019-10-22 08:56:59,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:59,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:59,865 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 08:56:59,865 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968721318] [2019-10-22 08:56:59,865 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:59,866 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:59,866 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878447890] [2019-10-22 08:56:59,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:59,866 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:59,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:59,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:59,867 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2019-10-22 08:56:59,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:59,924 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2019-10-22 08:56:59,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:56:59,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:56:59,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:59,925 INFO L225 Difference]: With dead ends: 144 [2019-10-22 08:56:59,925 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:59,925 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 08:56:59,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:59,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:59,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 08:56:59,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:59,926 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:59,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:59,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:59,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:00,154 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-10-22 08:57:00,154 INFO L439 ceAbstractionStarter]: At program point L746(lines 746 752) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:00,155 INFO L439 ceAbstractionStarter]: At program point L746-1(lines 746 752) the Hoare annotation is: false [2019-10-22 08:57:00,155 INFO L439 ceAbstractionStarter]: At program point L746-2(lines 746 752) the Hoare annotation is: false [2019-10-22 08:57:00,155 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 660) no Hoare annotation was computed. [2019-10-22 08:57:00,155 INFO L439 ceAbstractionStarter]: At program point L647-1(lines 1 880) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:00,155 INFO L443 ceAbstractionStarter]: For program point L647-2(lines 647 660) no Hoare annotation was computed. [2019-10-22 08:57:00,155 INFO L439 ceAbstractionStarter]: At program point L647-3(lines 1 880) the Hoare annotation is: false [2019-10-22 08:57:00,155 INFO L443 ceAbstractionStarter]: For program point L647-4(lines 647 660) no Hoare annotation was computed. [2019-10-22 08:57:00,156 INFO L439 ceAbstractionStarter]: At program point L647-5(lines 1 880) the Hoare annotation is: false [2019-10-22 08:57:00,156 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:00,157 INFO L443 ceAbstractionStarter]: For program point L418(lines 418 422) no Hoare annotation was computed. [2019-10-22 08:57:00,157 INFO L443 ceAbstractionStarter]: For program point L418-3(lines 418 422) no Hoare annotation was computed. [2019-10-22 08:57:00,157 INFO L443 ceAbstractionStarter]: For program point L418-6(lines 418 422) no Hoare annotation was computed. [2019-10-22 08:57:00,157 INFO L446 ceAbstractionStarter]: At program point L633(lines 614 636) the Hoare annotation is: true [2019-10-22 08:57:00,158 INFO L439 ceAbstractionStarter]: At program point L600(lines 596 602) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:00,158 INFO L439 ceAbstractionStarter]: At program point L534(lines 529 537) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:00,158 INFO L439 ceAbstractionStarter]: At program point L551-2(lines 551 565) the Hoare annotation is: false [2019-10-22 08:57:00,158 INFO L439 ceAbstractionStarter]: At program point L832(lines 825 835) the Hoare annotation is: false [2019-10-22 08:57:00,159 INFO L439 ceAbstractionStarter]: At program point L832-1(lines 825 835) the Hoare annotation is: false [2019-10-22 08:57:00,160 INFO L439 ceAbstractionStarter]: At program point L832-2(lines 825 835) the Hoare annotation is: false [2019-10-22 08:57:00,160 INFO L443 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-10-22 08:57:00,160 INFO L443 ceAbstractionStarter]: For program point L651-2(lines 651 657) no Hoare annotation was computed. [2019-10-22 08:57:00,160 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-22 08:57:00,160 INFO L443 ceAbstractionStarter]: For program point L651-4(lines 651 657) no Hoare annotation was computed. [2019-10-22 08:57:00,161 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 691) no Hoare annotation was computed. [2019-10-22 08:57:00,161 INFO L439 ceAbstractionStarter]: At program point L685-1(lines 685 691) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:00,161 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:00,161 INFO L439 ceAbstractionStarter]: At program point L455(lines 450 458) the Hoare annotation is: false [2019-10-22 08:57:00,161 INFO L439 ceAbstractionStarter]: At program point L455-1(lines 450 458) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:00,161 INFO L439 ceAbstractionStarter]: At program point L455-2(lines 450 458) the Hoare annotation is: false [2019-10-22 08:57:00,162 INFO L439 ceAbstractionStarter]: At program point L455-3(lines 450 458) the Hoare annotation is: false [2019-10-22 08:57:00,162 INFO L439 ceAbstractionStarter]: At program point L455-4(lines 450 458) the Hoare annotation is: false [2019-10-22 08:57:00,162 INFO L439 ceAbstractionStarter]: At program point L455-5(lines 450 458) the Hoare annotation is: false [2019-10-22 08:57:00,162 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-10-22 08:57:00,162 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-10-22 08:57:00,162 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 739 745) no Hoare annotation was computed. [2019-10-22 08:57:00,163 INFO L439 ceAbstractionStarter]: At program point L721(lines 674 722) the Hoare annotation is: false [2019-10-22 08:57:00,163 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 788) no Hoare annotation was computed. [2019-10-22 08:57:00,163 INFO L443 ceAbstractionStarter]: For program point L771-1(lines 771 788) no Hoare annotation was computed. [2019-10-22 08:57:00,163 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 716) no Hoare annotation was computed. [2019-10-22 08:57:00,163 INFO L443 ceAbstractionStarter]: For program point L771-2(lines 771 788) no Hoare annotation was computed. [2019-10-22 08:57:00,163 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:00,164 INFO L439 ceAbstractionStarter]: At program point L739(lines 738 757) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:00,164 INFO L443 ceAbstractionStarter]: For program point L739-1(lines 739 745) no Hoare annotation was computed. [2019-10-22 08:57:00,168 INFO L439 ceAbstractionStarter]: At program point L739-2(lines 738 757) the Hoare annotation is: false [2019-10-22 08:57:00,168 INFO L439 ceAbstractionStarter]: At program point L739-3(lines 738 757) the Hoare annotation is: false [2019-10-22 08:57:00,168 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 446) no Hoare annotation was computed. [2019-10-22 08:57:00,169 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2019-10-22 08:57:00,169 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 631) no Hoare annotation was computed. [2019-10-22 08:57:00,169 INFO L446 ceAbstractionStarter]: At program point L624-1(lines 624 631) the Hoare annotation is: true [2019-10-22 08:57:00,169 INFO L439 ceAbstractionStarter]: At program point L526(lines 1 880) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:00,169 INFO L439 ceAbstractionStarter]: At program point L841(lines 836 844) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:00,169 INFO L439 ceAbstractionStarter]: At program point L841-1(lines 836 844) the Hoare annotation is: false [2019-10-22 08:57:00,170 INFO L443 ceAbstractionStarter]: For program point L775(lines 775 783) no Hoare annotation was computed. [2019-10-22 08:57:00,170 INFO L439 ceAbstractionStarter]: At program point L841-2(lines 836 844) the Hoare annotation is: false [2019-10-22 08:57:00,170 INFO L443 ceAbstractionStarter]: For program point L775-1(lines 775 783) no Hoare annotation was computed. [2019-10-22 08:57:00,170 INFO L443 ceAbstractionStarter]: For program point L775-2(lines 775 783) no Hoare annotation was computed. [2019-10-22 08:57:00,170 INFO L443 ceAbstractionStarter]: For program point L676(lines 675 720) no Hoare annotation was computed. [2019-10-22 08:57:00,170 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:00,170 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 681) no Hoare annotation was computed. [2019-10-22 08:57:00,171 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 08:57:00,171 INFO L443 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-10-22 08:57:00,172 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 434) no Hoare annotation was computed. [2019-10-22 08:57:00,172 INFO L443 ceAbstractionStarter]: For program point L496-2(line 496) no Hoare annotation was computed. [2019-10-22 08:57:00,173 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-10-22 08:57:00,173 INFO L443 ceAbstractionStarter]: For program point L711-2(lines 739 745) no Hoare annotation was computed. [2019-10-22 08:57:00,173 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-10-22 08:57:00,174 INFO L439 ceAbstractionStarter]: At program point L695-1(lines 695 701) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:00,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:00 BoogieIcfgContainer [2019-10-22 08:57:00,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:00,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:00,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:00,197 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:00,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:58" (3/4) ... [2019-10-22 08:57:00,201 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:00,219 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:57:00,219 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:57:00,220 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:57:00,220 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:57:00,220 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:00,221 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:57:00,250 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:00,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a31b4b8c-47dd-42f1-a09f-63197abbc0db/bin/uautomizer/witness.graphml [2019-10-22 08:57:00,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:00,304 INFO L168 Benchmark]: Toolchain (without parser) took 2906.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 943.2 MB in the beginning and 959.1 MB in the end (delta: -15.9 MB). Peak memory consumption was 148.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,304 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:00,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.24 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,305 INFO L168 Benchmark]: Boogie Preprocessor took 38.28 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. [2019-10-22 08:57:00,306 INFO L168 Benchmark]: RCFGBuilder took 785.28 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,306 INFO L168 Benchmark]: TraceAbstraction took 1411.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.6 MB in the end (delta: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,306 INFO L168 Benchmark]: Witness Printer took 102.70 ms. Allocated memory is still 1.2 GB. Free memory was 965.6 MB in the beginning and 959.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,308 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 506.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.24 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.28 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 785.28 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1411.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.6 MB in the end (delta: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 11.5 GB. * Witness Printer took 102.70 ms. Allocated memory is still 1.2 GB. Free memory was 965.6 MB in the beginning and 959.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: 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: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 286 SDtfs, 264 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1031 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 49 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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...