./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.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_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/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 414a1cf94d85c55960b208d82c3570ad577d615a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:36,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:36,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:36,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:36,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:36,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:36,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:36,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:36,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:36,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:36,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:36,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:36,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:36,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:36,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:36,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:36,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:36,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:36,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:36,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:36,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:36,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:36,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:36,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:36,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:36,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:36,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:36,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:36,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:36,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:36,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:36,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:36,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:36,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:36,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:36,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:36,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:36,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:36,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:36,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:36,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:36,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:36,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:36,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:36,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:36,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:36,556 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:36,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:36,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:36,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:36,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:36,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:36,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:36,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:36,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:36,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:36,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:36,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:36,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:36,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:36,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:36,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:36,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:36,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:36,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:36,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:36,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:36,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:36,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:36,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:36,561 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_08ad4fc4-55c7-4afb-bdb2-57f18f671004/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 -> 414a1cf94d85c55960b208d82c3570ad577d615a [2019-10-22 09:00:36,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:36,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:36,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:36,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:36,608 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:36,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-10-22 09:00:36,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/data/f2b362c13/92e564931ff34b80b9655280994385c1/FLAGc2ca70b43 [2019-10-22 09:00:37,121 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:37,122 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-10-22 09:00:37,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/data/f2b362c13/92e564931ff34b80b9655280994385c1/FLAGc2ca70b43 [2019-10-22 09:00:37,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/data/f2b362c13/92e564931ff34b80b9655280994385c1 [2019-10-22 09:00:37,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:37,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:37,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:37,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:37,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:37,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:37" (1/1) ... [2019-10-22 09:00:37,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20dc735c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:37, skipping insertion in model container [2019-10-22 09:00:37,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:37" (1/1) ... [2019-10-22 09:00:37,650 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:37,697 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:38,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:38,045 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:38,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:38,156 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:38,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38 WrapperNode [2019-10-22 09:00:38,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:38,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:38,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:38,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:38,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:38,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:38,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:38,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:38,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:38,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:38,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:38,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:38,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:39,006 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:39,006 INFO L284 CfgBuilder]: Removed 66 assume(true) statements. [2019-10-22 09:00:39,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:39 BoogieIcfgContainer [2019-10-22 09:00:39,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:39,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:39,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:39,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:39,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:37" (1/3) ... [2019-10-22 09:00:39,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f5db1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:39, skipping insertion in model container [2019-10-22 09:00:39,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (2/3) ... [2019-10-22 09:00:39,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f5db1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:39, skipping insertion in model container [2019-10-22 09:00:39,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:39" (3/3) ... [2019-10-22 09:00:39,016 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2019-10-22 09:00:39,025 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:39,040 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:00:39,049 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:00:39,071 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:39,071 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:39,071 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:39,071 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:39,072 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:39,072 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:39,072 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:39,072 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-10-22 09:00:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:00:39,092 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:39,093 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:39,095 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:39,100 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2019-10-22 09:00:39,108 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:39,108 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354225578] [2019-10-22 09:00:39,109 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,109 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:39,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354225578] [2019-10-22 09:00:39,289 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:39,289 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:39,289 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143446603] [2019-10-22 09:00:39,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:39,294 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:39,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:39,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:39,309 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-10-22 09:00:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:39,335 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-10-22 09:00:39,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:39,336 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 09:00:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:39,347 INFO L225 Difference]: With dead ends: 108 [2019-10-22 09:00:39,348 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 09:00:39,351 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:39,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 09:00:39,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 09:00:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 09:00:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-10-22 09:00:39,391 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-10-22 09:00:39,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:39,391 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-10-22 09:00:39,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-10-22 09:00:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:00:39,392 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:39,392 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:39,393 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:39,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:39,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2019-10-22 09:00:39,393 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:39,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234002104] [2019-10-22 09:00:39,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:39,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234002104] [2019-10-22 09:00:39,465 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:39,465 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:39,465 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960612043] [2019-10-22 09:00:39,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:39,467 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:39,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:39,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:39,468 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-10-22 09:00:39,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:39,476 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-10-22 09:00:39,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:39,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 09:00:39,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:39,477 INFO L225 Difference]: With dead ends: 53 [2019-10-22 09:00:39,477 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 09:00:39,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:39,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 09:00:39,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 09:00:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 09:00:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-10-22 09:00:39,487 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-10-22 09:00:39,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:39,487 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-10-22 09:00:39,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-10-22 09:00:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:00:39,488 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:39,488 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:39,488 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:39,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:39,488 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2019-10-22 09:00:39,489 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:39,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636871581] [2019-10-22 09:00:39,489 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,489 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:39,639 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636871581] [2019-10-22 09:00:39,639 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:39,639 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:39,639 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119876783] [2019-10-22 09:00:39,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:39,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:39,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:39,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:39,641 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 6 states. [2019-10-22 09:00:39,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:39,965 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2019-10-22 09:00:39,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:00:39,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 09:00:39,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:39,968 INFO L225 Difference]: With dead ends: 142 [2019-10-22 09:00:39,968 INFO L226 Difference]: Without dead ends: 121 [2019-10-22 09:00:39,969 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-22 09:00:39,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-22 09:00:39,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2019-10-22 09:00:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 09:00:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2019-10-22 09:00:39,992 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 22 [2019-10-22 09:00:39,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:39,993 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2019-10-22 09:00:39,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:39,993 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2019-10-22 09:00:39,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:00:39,994 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:39,994 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:39,995 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:39,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:39,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2019-10-22 09:00:39,995 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:39,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041718119] [2019-10-22 09:00:39,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:40,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041718119] [2019-10-22 09:00:40,090 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:40,090 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:40,091 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296401107] [2019-10-22 09:00:40,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:40,091 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:40,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:40,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:40,092 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand 5 states. [2019-10-22 09:00:40,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:40,142 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2019-10-22 09:00:40,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:40,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 09:00:40,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:40,143 INFO L225 Difference]: With dead ends: 163 [2019-10-22 09:00:40,143 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:40,144 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:40,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:40,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:40,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-10-22 09:00:40,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:40,145 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:40,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:40,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:40,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:40,257 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:00:40,257 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:40,258 INFO L439 ceAbstractionStarter]: At program point L202(lines 201 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:40,258 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 202 208) no Hoare annotation was computed. [2019-10-22 09:00:40,258 INFO L439 ceAbstractionStarter]: At program point L202-2(lines 201 220) the Hoare annotation is: false [2019-10-22 09:00:40,258 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-10-22 09:00:40,258 INFO L439 ceAbstractionStarter]: At program point L202-3(lines 201 220) the Hoare annotation is: false [2019-10-22 09:00:40,258 INFO L443 ceAbstractionStarter]: For program point L103-1(lines 202 208) no Hoare annotation was computed. [2019-10-22 09:00:40,258 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2019-10-22 09:00:40,259 INFO L439 ceAbstractionStarter]: At program point L74(lines 1 838) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-22 09:00:40,259 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-22 09:00:40,259 INFO L439 ceAbstractionStarter]: At program point L322-1(lines 322 328) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:40,259 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:40,259 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 181) no Hoare annotation was computed. [2019-10-22 09:00:40,259 INFO L446 ceAbstractionStarter]: At program point L174-1(lines 174 181) the Hoare annotation is: true [2019-10-22 09:00:40,259 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-10-22 09:00:40,259 INFO L439 ceAbstractionStarter]: At program point L456-1(lines 1 838) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:40,260 INFO L443 ceAbstractionStarter]: For program point L456-2(lines 456 469) no Hoare annotation was computed. [2019-10-22 09:00:40,260 INFO L439 ceAbstractionStarter]: At program point L456-3(lines 1 838) the Hoare annotation is: false [2019-10-22 09:00:40,260 INFO L443 ceAbstractionStarter]: For program point L456-4(lines 456 469) no Hoare annotation was computed. [2019-10-22 09:00:40,260 INFO L439 ceAbstractionStarter]: At program point L456-5(lines 1 838) the Hoare annotation is: false [2019-10-22 09:00:40,260 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 378) no Hoare annotation was computed. [2019-10-22 09:00:40,260 INFO L443 ceAbstractionStarter]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2019-10-22 09:00:40,260 INFO L439 ceAbstractionStarter]: At program point L209(lines 209 215) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:40,261 INFO L439 ceAbstractionStarter]: At program point L209-1(lines 209 215) the Hoare annotation is: false [2019-10-22 09:00:40,261 INFO L443 ceAbstractionStarter]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2019-10-22 09:00:40,261 INFO L439 ceAbstractionStarter]: At program point L209-2(lines 209 215) the Hoare annotation is: false [2019-10-22 09:00:40,261 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 09:00:40,261 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 09:00:40,261 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 09:00:40,261 INFO L439 ceAbstractionStarter]: At program point L358(lines 311 359) the Hoare annotation is: false [2019-10-22 09:00:40,262 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:40,262 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 353) no Hoare annotation was computed. [2019-10-22 09:00:40,262 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:00:40,262 INFO L439 ceAbstractionStarter]: At program point L261(lines 256 264) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:40,262 INFO L439 ceAbstractionStarter]: At program point L261-1(lines 256 264) the Hoare annotation is: false [2019-10-22 09:00:40,262 INFO L439 ceAbstractionStarter]: At program point L261-2(lines 256 264) the Hoare annotation is: false [2019-10-22 09:00:40,263 INFO L439 ceAbstractionStarter]: At program point L443(lines 438 446) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:40,263 INFO L439 ceAbstractionStarter]: At program point L443-1(lines 438 446) the Hoare annotation is: false [2019-10-22 09:00:40,263 INFO L439 ceAbstractionStarter]: At program point L443-2(lines 438 446) the Hoare annotation is: false [2019-10-22 09:00:40,263 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-10-22 09:00:40,263 INFO L443 ceAbstractionStarter]: For program point L460-2(lines 460 466) no Hoare annotation was computed. [2019-10-22 09:00:40,263 INFO L443 ceAbstractionStarter]: For program point L460-4(lines 460 466) no Hoare annotation was computed. [2019-10-22 09:00:40,263 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:40,264 INFO L443 ceAbstractionStarter]: For program point L313(lines 312 357) no Hoare annotation was computed. [2019-10-22 09:00:40,264 INFO L439 ceAbstractionStarter]: At program point L82(lines 77 85) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-22 09:00:40,264 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:00:40,264 INFO L439 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: false [2019-10-22 09:00:40,264 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-10-22 09:00:40,264 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 09:00:40,264 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-10-22 09:00:40,265 INFO L443 ceAbstractionStarter]: For program point L348-2(lines 202 208) no Hoare annotation was computed. [2019-10-22 09:00:40,265 INFO L446 ceAbstractionStarter]: At program point L183(lines 164 186) the Hoare annotation is: true [2019-10-22 09:00:40,265 INFO L439 ceAbstractionStarter]: At program point L150(lines 146 152) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-22 09:00:40,265 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 402) no Hoare annotation was computed. [2019-10-22 09:00:40,265 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-22 09:00:40,265 INFO L439 ceAbstractionStarter]: At program point L332-1(lines 332 338) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:40,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:40 BoogieIcfgContainer [2019-10-22 09:00:40,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:40,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:40,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:40,280 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:40,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:39" (3/4) ... [2019-10-22 09:00:40,284 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:40,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:00:40,297 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:00:40,297 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:00:40,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:40,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:40,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:40,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:00:40,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08ad4fc4-55c7-4afb-bdb2-57f18f671004/bin/uautomizer/witness.graphml [2019-10-22 09:00:40,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:40,382 INFO L168 Benchmark]: Toolchain (without parser) took 2747.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.1 MB in the beginning and 917.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 135.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:40,382 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:40,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:40,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.17 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:40,383 INFO L168 Benchmark]: Boogie Preprocessor took 34.22 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. [2019-10-22 09:00:40,383 INFO L168 Benchmark]: RCFGBuilder took 763.36 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:40,388 INFO L168 Benchmark]: TraceAbstraction took 1271.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.6 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:40,389 INFO L168 Benchmark]: Witness Printer took 100.30 ms. Allocated memory is still 1.1 GB. Free memory was 924.6 MB in the beginning and 917.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:40,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 521.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.17 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.22 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 763.36 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1271.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 924.6 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. * Witness Printer took 100.30 ms. Allocated memory is still 1.1 GB. Free memory was 924.6 MB in the beginning and 917.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 213 SDtfs, 279 SDslu, 308 SDs, 0 SdLazy, 86 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 99 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1205 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3213 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...