./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.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_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/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 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:55:44,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:44,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:44,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:44,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:44,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:44,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:44,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:44,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:44,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:44,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:44,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:44,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:44,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:44,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:44,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:44,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:44,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:44,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:44,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:44,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:44,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:44,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:44,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:44,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:44,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:44,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:44,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:44,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:44,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:44,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:44,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:44,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:44,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:44,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:44,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:44,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:44,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:44,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:44,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:44,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:44,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:55:44,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:44,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:44,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:44,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:44,972 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:44,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:44,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:44,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:44,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:44,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:44,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:55:44,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:44,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:55:44,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:44,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:44,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:44,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:55:44,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:44,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:44,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:44,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:44,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:44,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:44,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:44,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:55:44,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:44,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:44,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:55:44,976 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_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/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 -> 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e [2019-10-22 08:55:44,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:45,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:45,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:45,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:45,013 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:45,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2019-10-22 08:55:45,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/data/63152aeeb/06845a90650f423896426f2eef4c74dd/FLAGec9c455bb [2019-10-22 08:55:45,473 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:45,474 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2019-10-22 08:55:45,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/data/63152aeeb/06845a90650f423896426f2eef4c74dd/FLAGec9c455bb [2019-10-22 08:55:45,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/data/63152aeeb/06845a90650f423896426f2eef4c74dd [2019-10-22 08:55:45,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:45,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:45,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:45,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:45,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:45,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:45" (1/1) ... [2019-10-22 08:55:45,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d58976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:45, skipping insertion in model container [2019-10-22 08:55:45,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:45" (1/1) ... [2019-10-22 08:55:45,847 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:45,880 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:46,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:46,176 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:46,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:46,283 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:46,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46 WrapperNode [2019-10-22 08:55:46,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:46,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:46,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:46,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:46,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:46,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:46,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:46,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:46,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... [2019-10-22 08:55:46,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:46,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:46,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:46,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:46,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/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 08:55:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:55:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:47,055 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:47,055 INFO L284 CfgBuilder]: Removed 74 assume(true) statements. [2019-10-22 08:55:47,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:47 BoogieIcfgContainer [2019-10-22 08:55:47,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:47,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:47,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:47,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:47,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:45" (1/3) ... [2019-10-22 08:55:47,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ac6ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:47, skipping insertion in model container [2019-10-22 08:55:47,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:46" (2/3) ... [2019-10-22 08:55:47,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ac6ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:47, skipping insertion in model container [2019-10-22 08:55:47,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:47" (3/3) ... [2019-10-22 08:55:47,064 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2019-10-22 08:55:47,074 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:47,085 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:55:47,095 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:55:47,124 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:47,125 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:55:47,125 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:47,125 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:47,125 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:47,126 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:47,126 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:47,126 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-10-22 08:55:47,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:55:47,153 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:47,154 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:47,156 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:47,164 INFO L82 PathProgramCache]: Analyzing trace with hash 706591477, now seen corresponding path program 1 times [2019-10-22 08:55:47,171 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:47,173 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258787561] [2019-10-22 08:55:47,173 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:47,173 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:47,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:47,425 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 08:55:47,427 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258787561] [2019-10-22 08:55:47,427 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:47,428 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:55:47,429 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373313954] [2019-10-22 08:55:47,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:55:47,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:47,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:55:47,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:55:47,448 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-10-22 08:55:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:47,467 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-10-22 08:55:47,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:55:47,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:55:47,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:47,479 INFO L225 Difference]: With dead ends: 119 [2019-10-22 08:55:47,479 INFO L226 Difference]: Without dead ends: 59 [2019-10-22 08:55:47,482 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 08:55:47,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-22 08:55:47,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-10-22 08:55:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 08:55:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-10-22 08:55:47,520 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-10-22 08:55:47,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:47,520 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-10-22 08:55:47,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:55:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-10-22 08:55:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:55:47,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:47,521 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:47,521 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:47,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:47,522 INFO L82 PathProgramCache]: Analyzing trace with hash 583909382, now seen corresponding path program 1 times [2019-10-22 08:55:47,522 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:47,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662461892] [2019-10-22 08:55:47,522 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:47,522 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:47,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:47,666 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 08:55:47,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662461892] [2019-10-22 08:55:47,667 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:47,667 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:47,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410566197] [2019-10-22 08:55:47,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:47,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:47,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:47,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:47,670 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2019-10-22 08:55:47,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:47,683 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-10-22 08:55:47,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:47,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:55:47,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:47,688 INFO L225 Difference]: With dead ends: 59 [2019-10-22 08:55:47,688 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 08:55:47,689 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 08:55:47,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 08:55:47,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 08:55:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 08:55:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 08:55:47,698 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-10-22 08:55:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:47,698 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 08:55:47,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 08:55:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:55:47,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:47,699 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 08:55:47,699 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:47,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:47,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2019-10-22 08:55:47,700 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:47,700 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120549070] [2019-10-22 08:55:47,700 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:47,700 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:47,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:47,792 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 08:55:47,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120549070] [2019-10-22 08:55:47,793 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:47,793 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:47,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172834686] [2019-10-22 08:55:47,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:47,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:47,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:47,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:47,794 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2019-10-22 08:55:47,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:47,911 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2019-10-22 08:55:47,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:55:47,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:55:47,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:47,913 INFO L225 Difference]: With dead ends: 126 [2019-10-22 08:55:47,913 INFO L226 Difference]: Without dead ends: 102 [2019-10-22 08:55:47,913 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 08:55:47,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-10-22 08:55:47,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2019-10-22 08:55:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-22 08:55:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2019-10-22 08:55:47,932 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2019-10-22 08:55:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:47,933 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2019-10-22 08:55:47,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2019-10-22 08:55:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:55:47,935 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:47,936 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, 1] [2019-10-22 08:55:47,936 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:47,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:47,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2019-10-22 08:55:47,936 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:47,937 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247782292] [2019-10-22 08:55:47,937 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:47,937 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:47,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:48,039 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 08:55:48,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247782292] [2019-10-22 08:55:48,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:48,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:48,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297961106] [2019-10-22 08:55:48,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:48,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:48,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:48,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:48,041 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 5 states. [2019-10-22 08:55:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:48,095 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2019-10-22 08:55:48,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:48,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:55:48,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:48,096 INFO L225 Difference]: With dead ends: 148 [2019-10-22 08:55:48,096 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:55:48,097 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 08:55:48,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:55:48,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:55:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:55:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:55:48,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 08:55:48,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:48,098 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:48,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:55:48,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:55:48,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:55:48,232 INFO L439 ceAbstractionStarter]: At program point L316(lines 311 318) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:55:48,232 INFO L439 ceAbstractionStarter]: At program point L168(lines 167 186) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,232 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2019-10-22 08:55:48,232 INFO L439 ceAbstractionStarter]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2019-10-22 08:55:48,232 INFO L439 ceAbstractionStarter]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2019-10-22 08:55:48,232 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:55:48,232 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-22 08:55:48,232 INFO L443 ceAbstractionStarter]: For program point L434-1(line 434) no Hoare annotation was computed. [2019-10-22 08:55:48,233 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-10-22 08:55:48,233 INFO L443 ceAbstractionStarter]: For program point L434-2(line 434) no Hoare annotation was computed. [2019-10-22 08:55:48,233 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 110) no Hoare annotation was computed. [2019-10-22 08:55:48,233 INFO L439 ceAbstractionStarter]: At program point L104-1(lines 104 110) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,233 INFO L446 ceAbstractionStarter]: At program point L897(lines 878 900) the Hoare annotation is: true [2019-10-22 08:55:48,233 INFO L439 ceAbstractionStarter]: At program point L864(lines 860 866) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:55:48,233 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-10-22 08:55:48,234 INFO L439 ceAbstractionStarter]: At program point L816-2(lines 816 830) the Hoare annotation is: false [2019-10-22 08:55:48,234 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:55:48,234 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-22 08:55:48,234 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-10-22 08:55:48,234 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:55:48,234 INFO L439 ceAbstractionStarter]: At program point L289-1(lines 289 295) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,234 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 139) no Hoare annotation was computed. [2019-10-22 08:55:48,234 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2019-10-22 08:55:48,234 INFO L443 ceAbstractionStarter]: For program point L356-3(lines 356 360) no Hoare annotation was computed. [2019-10-22 08:55:48,235 INFO L443 ceAbstractionStarter]: For program point L356-6(lines 356 360) no Hoare annotation was computed. [2019-10-22 08:55:48,235 INFO L439 ceAbstractionStarter]: At program point L175(lines 175 181) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,235 INFO L439 ceAbstractionStarter]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2019-10-22 08:55:48,235 INFO L439 ceAbstractionStarter]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2019-10-22 08:55:48,235 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-10-22 08:55:48,235 INFO L443 ceAbstractionStarter]: For program point L820-1(lines 168 174) no Hoare annotation was computed. [2019-10-22 08:55:48,235 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:55:48,235 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-10-22 08:55:48,236 INFO L439 ceAbstractionStarter]: At program point L144(lines 93 145) the Hoare annotation is: false [2019-10-22 08:55:48,236 INFO L443 ceAbstractionStarter]: For program point L95(lines 94 143) no Hoare annotation was computed. [2019-10-22 08:55:48,236 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-10-22 08:55:48,236 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 895) no Hoare annotation was computed. [2019-10-22 08:55:48,236 INFO L446 ceAbstractionStarter]: At program point L888-1(lines 888 895) the Hoare annotation is: true [2019-10-22 08:55:48,236 INFO L439 ceAbstractionStarter]: At program point L393(lines 388 396) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,236 INFO L439 ceAbstractionStarter]: At program point L393-1(lines 388 396) the Hoare annotation is: false [2019-10-22 08:55:48,237 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2019-10-22 08:55:48,237 INFO L439 ceAbstractionStarter]: At program point L393-2(lines 388 396) the Hoare annotation is: false [2019-10-22 08:55:48,238 INFO L439 ceAbstractionStarter]: At program point L327-1(lines 1 900) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,238 INFO L443 ceAbstractionStarter]: For program point L327-2(lines 327 344) no Hoare annotation was computed. [2019-10-22 08:55:48,238 INFO L439 ceAbstractionStarter]: At program point L327-3(lines 1 900) the Hoare annotation is: false [2019-10-22 08:55:48,238 INFO L443 ceAbstractionStarter]: For program point L327-4(lines 327 344) no Hoare annotation was computed. [2019-10-22 08:55:48,238 INFO L439 ceAbstractionStarter]: At program point L327-5(lines 1 900) the Hoare annotation is: false [2019-10-22 08:55:48,238 INFO L443 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2019-10-22 08:55:48,238 INFO L439 ceAbstractionStarter]: At program point L245(lines 240 248) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,238 INFO L439 ceAbstractionStarter]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2019-10-22 08:55:48,238 INFO L439 ceAbstractionStarter]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2019-10-22 08:55:48,239 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 120) no Hoare annotation was computed. [2019-10-22 08:55:48,239 INFO L439 ceAbstractionStarter]: At program point L114-1(lines 114 120) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,239 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 900) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:55:48,239 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:55:48,239 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-10-22 08:55:48,239 INFO L439 ceAbstractionStarter]: At program point L132-1(lines 168 174) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:55:48,239 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-10-22 08:55:48,240 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 341) no Hoare annotation was computed. [2019-10-22 08:55:48,240 INFO L443 ceAbstractionStarter]: For program point L331-2(lines 331 341) no Hoare annotation was computed. [2019-10-22 08:55:48,240 INFO L443 ceAbstractionStarter]: For program point L331-4(lines 331 341) no Hoare annotation was computed. [2019-10-22 08:55:48,240 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-22 08:55:48,240 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 338) no Hoare annotation was computed. [2019-10-22 08:55:48,240 INFO L443 ceAbstractionStarter]: For program point L332-4(lines 332 338) no Hoare annotation was computed. [2019-10-22 08:55:48,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:48 BoogieIcfgContainer [2019-10-22 08:55:48,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:48,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:48,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:48,263 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:48,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:47" (3/4) ... [2019-10-22 08:55:48,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:55:48,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:55:48,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:55:48,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:55:48,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:55:48,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:55:48,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:55:48,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:55:48,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0f2a66e7-bd9f-4f74-aca1-a01604519fa5/bin/uautomizer/witness.graphml [2019-10-22 08:55:48,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:48,354 INFO L168 Benchmark]: Toolchain (without parser) took 2522.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.1 MB in the beginning and 959.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:48,355 INFO L168 Benchmark]: CDTParser took 0.17 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 08:55:48,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:48,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.37 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 08:55:48,355 INFO L168 Benchmark]: Boogie Preprocessor took 27.78 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:48,356 INFO L168 Benchmark]: RCFGBuilder took 686.03 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:48,356 INFO L168 Benchmark]: TraceAbstraction took 1203.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.0 MB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:48,356 INFO L168 Benchmark]: Witness Printer took 91.81 ms. Allocated memory is still 1.2 GB. Free memory was 965.0 MB in the beginning and 959.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:48,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 451.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.37 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. * Boogie Preprocessor took 27.78 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 686.03 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1203.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.0 MB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. * Witness Printer took 91.81 ms. Allocated memory is still 1.2 GB. Free memory was 965.0 MB in the beginning and 959.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 245 SDtfs, 231 SDslu, 265 SDs, 0 SdLazy, 40 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...