./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/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 2f4238b880349218219a89e1d8f45e6533ff8d7c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:15:14,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:15:14,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:15:14,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:15:14,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:15:14,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:15:14,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:15:14,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:15:14,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:15:14,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:15:14,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:15:14,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:15:14,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:15:14,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:15:14,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:15:14,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:15:14,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:15:14,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:15:14,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:15:14,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:15:14,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:15:14,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:15:14,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:15:14,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:15:14,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:15:14,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:15:14,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:15:14,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:15:14,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:15:14,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:15:14,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:15:14,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:15:14,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:15:14,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:15:14,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:15:14,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:15:14,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:15:14,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:15:14,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:15:14,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:15:14,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:15:14,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:15:14,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:15:14,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:15:14,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:15:14,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:15:14,319 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:15:14,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:15:14,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:15:14,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:15:14,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:15:14,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:15:14,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:15:14,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:15:14,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:15:14,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:15:14,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:15:14,320 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:15:14,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:15:14,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:15:14,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:15:14,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:15:14,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:15:14,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:15:14,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:15:14,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:15:14,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:15:14,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:15:14,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:15:14,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:15:14,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:15:14,322 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/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/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 -> 2f4238b880349218219a89e1d8f45e6533ff8d7c [2019-12-07 18:15:14,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:15:14,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:15:14,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:15:14,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:15:14,434 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:15:14,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2019-12-07 18:15:14,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/data/3952baa31/04abf3da22da45ceb17e842f5394899c/FLAG7fec3a749 [2019-12-07 18:15:14,907 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:15:14,907 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2019-12-07 18:15:14,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/data/3952baa31/04abf3da22da45ceb17e842f5394899c/FLAG7fec3a749 [2019-12-07 18:15:14,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/data/3952baa31/04abf3da22da45ceb17e842f5394899c [2019-12-07 18:15:14,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:15:14,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:15:14,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:15:14,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:15:14,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:15:14,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:15:14" (1/1) ... [2019-12-07 18:15:14,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:14, skipping insertion in model container [2019-12-07 18:15:14,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:15:14" (1/1) ... [2019-12-07 18:15:14,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:15:14,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:15:15,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:15:15,197 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:15:15,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:15:15,262 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:15:15,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15 WrapperNode [2019-12-07 18:15:15,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:15:15,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:15:15,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:15:15,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:15:15,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:15:15,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:15:15,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:15:15,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:15:15,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... [2019-12-07 18:15:15,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:15:15,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:15:15,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:15:15,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:15:15,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/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 [2019-12-07 18:15:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:15:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:15:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:15:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:15:15,772 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:15:15,772 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 18:15:15,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:15:15 BoogieIcfgContainer [2019-12-07 18:15:15,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:15:15,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:15:15,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:15:15,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:15:15,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:15:14" (1/3) ... [2019-12-07 18:15:15,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f48f6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:15:15, skipping insertion in model container [2019-12-07 18:15:15,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:15:15" (2/3) ... [2019-12-07 18:15:15,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f48f6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:15:15, skipping insertion in model container [2019-12-07 18:15:15,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:15:15" (3/3) ... [2019-12-07 18:15:15,778 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2019-12-07 18:15:15,785 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:15:15,789 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 18:15:15,797 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 18:15:15,812 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:15:15,813 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:15:15,813 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:15:15,813 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:15:15,813 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:15:15,813 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:15:15,813 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:15:15,813 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:15:15,825 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 18:15:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 18:15:15,829 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:15:15,829 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:15:15,830 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:15:15,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:15:15,833 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2019-12-07 18:15:15,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:15:15,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356092528] [2019-12-07 18:15:15,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:15:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:15:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:15:16,004 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356092528] [2019-12-07 18:15:16,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:15:16,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:15:16,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431115732] [2019-12-07 18:15:16,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:15:16,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:15:16,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:15:16,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:15:16,018 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 18:15:16,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:15:16,036 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 18:15:16,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:15:16,037 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 18:15:16,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:15:16,044 INFO L225 Difference]: With dead ends: 144 [2019-12-07 18:15:16,044 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 18:15:16,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:15:16,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 18:15:16,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 18:15:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 18:15:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 18:15:16,078 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-12-07 18:15:16,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:15:16,079 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 18:15:16,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:15:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 18:15:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 18:15:16,080 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:15:16,080 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:15:16,080 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:15:16,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:15:16,080 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2019-12-07 18:15:16,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:15:16,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186498744] [2019-12-07 18:15:16,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:15:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:15:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:15:16,148 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186498744] [2019-12-07 18:15:16,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:15:16,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:15:16,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758119837] [2019-12-07 18:15:16,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:15:16,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:15:16,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:15:16,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:15:16,150 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-12-07 18:15:16,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:15:16,157 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 18:15:16,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:15:16,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 18:15:16,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:15:16,158 INFO L225 Difference]: With dead ends: 71 [2019-12-07 18:15:16,159 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 18:15:16,159 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:15:16,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 18:15:16,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 18:15:16,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 18:15:16,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 18:15:16,163 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 18:15:16,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:15:16,163 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 18:15:16,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:15:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 18:15:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 18:15:16,163 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:15:16,163 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:15:16,164 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:15:16,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:15:16,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2019-12-07 18:15:16,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:15:16,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178911958] [2019-12-07 18:15:16,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:15:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:15:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:15:16,227 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178911958] [2019-12-07 18:15:16,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:15:16,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:15:16,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923248964] [2019-12-07 18:15:16,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:15:16,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:15:16,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:15:16,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:15:16,228 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2019-12-07 18:15:16,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:15:16,262 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 18:15:16,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:15:16,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-12-07 18:15:16,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:15:16,264 INFO L225 Difference]: With dead ends: 60 [2019-12-07 18:15:16,264 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 18:15:16,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:15:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 18:15:16,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 18:15:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 18:15:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 18:15:16,270 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-12-07 18:15:16,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:15:16,270 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 18:15:16,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:15:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 18:15:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 18:15:16,271 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:15:16,271 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:15:16,271 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:15:16,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:15:16,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2019-12-07 18:15:16,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:15:16,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66380164] [2019-12-07 18:15:16,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:15:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:15:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:15:16,326 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66380164] [2019-12-07 18:15:16,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:15:16,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:15:16,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250451622] [2019-12-07 18:15:16,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:15:16,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:15:16,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:15:16,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:15:16,328 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-12-07 18:15:16,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:15:16,398 INFO L93 Difference]: Finished difference Result 120 states and 176 transitions. [2019-12-07 18:15:16,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:15:16,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 18:15:16,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:15:16,399 INFO L225 Difference]: With dead ends: 120 [2019-12-07 18:15:16,399 INFO L226 Difference]: Without dead ends: 93 [2019-12-07 18:15:16,400 INFO L630 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 [2019-12-07 18:15:16,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-12-07 18:15:16,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 56. [2019-12-07 18:15:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 18:15:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2019-12-07 18:15:16,407 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 23 [2019-12-07 18:15:16,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:15:16,407 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2019-12-07 18:15:16,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:15:16,407 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2019-12-07 18:15:16,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 18:15:16,408 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:15:16,408 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:15:16,408 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:15:16,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:15:16,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1173164267, now seen corresponding path program 1 times [2019-12-07 18:15:16,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:15:16,409 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418407836] [2019-12-07 18:15:16,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:15:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:15:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:15:16,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418407836] [2019-12-07 18:15:16,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:15:16,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:15:16,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870138926] [2019-12-07 18:15:16,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:15:16,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:15:16,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:15:16,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:15:16,445 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand 5 states. [2019-12-07 18:15:16,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:15:16,485 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2019-12-07 18:15:16,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:15:16,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 18:15:16,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:15:16,486 INFO L225 Difference]: With dead ends: 124 [2019-12-07 18:15:16,486 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:15:16,487 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:15:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:15:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:15:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:15:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:15:16,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 18:15:16,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:15:16,488 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:15:16,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:15:16,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:15:16,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:15:16,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:15:16,716 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 18:15:16,716 INFO L246 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-12-07 18:15:16,716 INFO L242 CegarLoopResult]: At program point L102-2(lines 137 143) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:15:16,717 INFO L242 CegarLoopResult]: At program point L449(lines 1 922) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:15:16,717 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:15:16,717 INFO L246 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2019-12-07 18:15:16,717 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 186) no Hoare annotation was computed. [2019-12-07 18:15:16,717 INFO L246 CegarLoopResult]: For program point L169-2(lines 169 186) no Hoare annotation was computed. [2019-12-07 18:15:16,717 INFO L242 CegarLoopResult]: At program point L384(lines 379 387) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:15:16,717 INFO L242 CegarLoopResult]: At program point L384-1(lines 379 387) the Hoare annotation is: false [2019-12-07 18:15:16,717 INFO L242 CegarLoopResult]: At program point L384-2(lines 379 387) the Hoare annotation is: false [2019-12-07 18:15:16,718 INFO L242 CegarLoopResult]: At program point L137(lines 136 155) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:15:16,718 INFO L246 CegarLoopResult]: For program point L137-1(lines 137 143) no Hoare annotation was computed. [2019-12-07 18:15:16,718 INFO L242 CegarLoopResult]: At program point L137-2(lines 136 155) the Hoare annotation is: false [2019-12-07 18:15:16,718 INFO L242 CegarLoopResult]: At program point L137-3(lines 136 155) the Hoare annotation is: false [2019-12-07 18:15:16,718 INFO L246 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2019-12-07 18:15:16,718 INFO L246 CegarLoopResult]: For program point L173-1(lines 173 181) no Hoare annotation was computed. [2019-12-07 18:15:16,718 INFO L246 CegarLoopResult]: For program point L173-2(lines 173 181) no Hoare annotation was computed. [2019-12-07 18:15:16,719 INFO L246 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-12-07 18:15:16,719 INFO L242 CegarLoopResult]: At program point L74-1(lines 74 80) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:15:16,719 INFO L246 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-12-07 18:15:16,719 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:15:16,719 INFO L246 CegarLoopResult]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-12-07 18:15:16,719 INFO L246 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2019-12-07 18:15:16,720 INFO L246 CegarLoopResult]: For program point L289-5(lines 289 293) no Hoare annotation was computed. [2019-12-07 18:15:16,720 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2019-12-07 18:15:16,720 INFO L246 CegarLoopResult]: For program point L289-8(lines 289 293) no Hoare annotation was computed. [2019-12-07 18:15:16,720 INFO L246 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-12-07 18:15:16,720 INFO L242 CegarLoopResult]: At program point L240(lines 235 243) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:15:16,720 INFO L242 CegarLoopResult]: At program point L240-1(lines 235 243) the Hoare annotation is: false [2019-12-07 18:15:16,720 INFO L242 CegarLoopResult]: At program point L240-2(lines 235 243) the Hoare annotation is: false [2019-12-07 18:15:16,720 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 18:15:16,721 INFO L246 CegarLoopResult]: For program point L406(lines 406 419) no Hoare annotation was computed. [2019-12-07 18:15:16,721 INFO L242 CegarLoopResult]: At program point L406-1(lines 1 922) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:15:16,721 INFO L246 CegarLoopResult]: For program point L406-2(lines 406 419) no Hoare annotation was computed. [2019-12-07 18:15:16,721 INFO L242 CegarLoopResult]: At program point L406-3(lines 1 922) the Hoare annotation is: false [2019-12-07 18:15:16,721 INFO L246 CegarLoopResult]: For program point L406-4(lines 406 419) no Hoare annotation was computed. [2019-12-07 18:15:16,721 INFO L242 CegarLoopResult]: At program point L406-5(lines 1 922) the Hoare annotation is: false [2019-12-07 18:15:16,721 INFO L249 CegarLoopResult]: At program point L919(lines 900 922) the Hoare annotation is: true [2019-12-07 18:15:16,721 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 18:15:16,722 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 18:15:16,722 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 18:15:16,722 INFO L242 CegarLoopResult]: At program point L457(lines 452 460) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:15:16,722 INFO L246 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-12-07 18:15:16,722 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:15:16,722 INFO L242 CegarLoopResult]: At program point L887(lines 883 889) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-12-07 18:15:16,722 INFO L242 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:15:16,723 INFO L242 CegarLoopResult]: At program point L144-1(lines 144 150) the Hoare annotation is: false [2019-12-07 18:15:16,723 INFO L242 CegarLoopResult]: At program point L144-2(lines 144 150) the Hoare annotation is: false [2019-12-07 18:15:16,723 INFO L242 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: false [2019-12-07 18:15:16,723 INFO L242 CegarLoopResult]: At program point L393(lines 388 396) the Hoare annotation is: false [2019-12-07 18:15:16,723 INFO L242 CegarLoopResult]: At program point L393-1(lines 388 396) the Hoare annotation is: false [2019-12-07 18:15:16,723 INFO L246 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-12-07 18:15:16,723 INFO L242 CegarLoopResult]: At program point L393-2(lines 388 396) the Hoare annotation is: false [2019-12-07 18:15:16,723 INFO L242 CegarLoopResult]: At program point L839-2(lines 839 853) the Hoare annotation is: false [2019-12-07 18:15:16,724 INFO L246 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2019-12-07 18:15:16,724 INFO L246 CegarLoopResult]: For program point L410-2(lines 410 416) no Hoare annotation was computed. [2019-12-07 18:15:16,724 INFO L246 CegarLoopResult]: For program point L410-4(lines 410 416) no Hoare annotation was computed. [2019-12-07 18:15:16,724 INFO L246 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2019-12-07 18:15:16,724 INFO L242 CegarLoopResult]: At program point L295(lines 280 298) the Hoare annotation is: false [2019-12-07 18:15:16,724 INFO L242 CegarLoopResult]: At program point L295-1(lines 280 298) the Hoare annotation is: false [2019-12-07 18:15:16,724 INFO L242 CegarLoopResult]: At program point L295-2(lines 280 298) the Hoare annotation is: false [2019-12-07 18:15:16,724 INFO L246 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-12-07 18:15:16,724 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:15:16,724 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L246 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L246 CegarLoopResult]: For program point L843-1(lines 137 143) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L246 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L246 CegarLoopResult]: For program point L315-3(lines 315 319) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L246 CegarLoopResult]: For program point L315-6(lines 315 319) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L246 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L242 CegarLoopResult]: At program point L84-1(lines 84 90) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 18:15:16,725 INFO L246 CegarLoopResult]: For program point L910(lines 910 917) no Hoare annotation was computed. [2019-12-07 18:15:16,725 INFO L249 CegarLoopResult]: At program point L910-1(lines 910 917) the Hoare annotation is: true [2019-12-07 18:15:16,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:15:16 BoogieIcfgContainer [2019-12-07 18:15:16,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:15:16,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:15:16,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:15:16,741 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:15:16,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:15:15" (3/4) ... [2019-12-07 18:15:16,744 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:15:16,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 18:15:16,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 18:15:16,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 18:15:16,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 18:15:16,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:15:16,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:15:16,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:15:16,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 18:15:16,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-12-07 18:15:16,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:15:16,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:15:16,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:15:16,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:15:16,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:15:16,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:15:16,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:15:16,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-12-07 18:15:16,813 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_095f07a0-662c-41bd-b881-53f91a886df0/bin/uautomizer/witness.graphml [2019-12-07 18:15:16,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:15:16,815 INFO L168 Benchmark]: Toolchain (without parser) took 1887.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 946.1 MB in the beginning and 867.5 MB in the end (delta: 78.6 MB). Peak memory consumption was 176.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:15:16,815 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:15:16,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:15:16,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:15:16,816 INFO L168 Benchmark]: Boogie Preprocessor took 26.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:15:16,816 INFO L168 Benchmark]: RCFGBuilder took 430.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:15:16,816 INFO L168 Benchmark]: TraceAbstraction took 966.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 878.3 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:15:16,816 INFO L168 Benchmark]: Witness Printer took 72.49 ms. Allocated memory is still 1.1 GB. Free memory was 878.3 MB in the beginning and 867.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:15:16,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 430.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 966.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 878.3 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. * Witness Printer took 72.49 ms. Allocated memory is still 1.1 GB. Free memory was 878.3 MB in the beginning and 867.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 305 SDtfs, 367 SDslu, 214 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 61 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 803 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 105 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...