./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/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 fa84680efe228141f2f1a8a0259e3b287bc28d50 ................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:57:14,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:57:14,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:57:14,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:57:14,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:57:14,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:57:14,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:57:14,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:57:14,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:57:14,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:57:14,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:57:14,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:57:14,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:57:14,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:57:14,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:57:14,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:57:14,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:57:14,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:57:14,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:57:14,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:57:14,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:57:14,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:57:14,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:57:14,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:57:14,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:57:14,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:57:14,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:57:14,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:57:14,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:57:14,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:57:14,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:57:14,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:57:14,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:57:14,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:57:14,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:57:14,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:57:14,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:57:14,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:57:14,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:57:14,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:57:14,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:57:14,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:57:14,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:57:14,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:57:14,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:57:14,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:57:14,457 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:57:14,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:57:14,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:57:14,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:57:14,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:57:14,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:57:14,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:57:14,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:57:14,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:57:14,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:57:14,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:57:14,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:57:14,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:57:14,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:57:14,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:57:14,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:57:14,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:57:14,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:57:14,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:57:14,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:57:14,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:57:14,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:57:14,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:57:14,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:57:14,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:57:14,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/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 -> fa84680efe228141f2f1a8a0259e3b287bc28d50 [2019-12-07 12:57:14,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:57:14,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:57:14,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:57:14,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:57:14,582 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:57:14,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2019-12-07 12:57:14,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/data/ac53c81b2/7a2ce0e875054b0fad51adae5b76bf32/FLAG676d585cd [2019-12-07 12:57:15,054 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:57:15,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2019-12-07 12:57:15,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/data/ac53c81b2/7a2ce0e875054b0fad51adae5b76bf32/FLAG676d585cd [2019-12-07 12:57:15,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/data/ac53c81b2/7a2ce0e875054b0fad51adae5b76bf32 [2019-12-07 12:57:15,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:57:15,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:57:15,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:57:15,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:57:15,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:57:15,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15, skipping insertion in model container [2019-12-07 12:57:15,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:57:15,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:57:15,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:57:15,314 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:57:15,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:57:15,376 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:57:15,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15 WrapperNode [2019-12-07 12:57:15,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:57:15,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:57:15,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:57:15,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:57:15,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:57:15,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:57:15,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:57:15,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:57:15,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... [2019-12-07 12:57:15,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:57:15,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:57:15,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:57:15,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:57:15,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:57:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:57:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:57:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:57:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:57:15,852 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:57:15,853 INFO L287 CfgBuilder]: Removed 106 assume(true) statements. [2019-12-07 12:57:15,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:57:15 BoogieIcfgContainer [2019-12-07 12:57:15,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:57:15,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:57:15,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:57:15,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:57:15,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:57:15" (1/3) ... [2019-12-07 12:57:15,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70925a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:57:15, skipping insertion in model container [2019-12-07 12:57:15,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:15" (2/3) ... [2019-12-07 12:57:15,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70925a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:57:15, skipping insertion in model container [2019-12-07 12:57:15,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:57:15" (3/3) ... [2019-12-07 12:57:15,860 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2019-12-07 12:57:15,868 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:57:15,874 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:57:15,884 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:57:15,905 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:57:15,906 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:57:15,906 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:57:15,906 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:57:15,906 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:57:15,906 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:57:15,906 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:57:15,906 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:57:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 12:57:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:57:15,924 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:15,924 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:15,925 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:15,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:15,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2019-12-07 12:57:15,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:57:15,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091966589] [2019-12-07 12:57:15,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:57:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:57:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:57:16,088 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091966589] [2019-12-07 12:57:16,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:57:16,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:57:16,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296322011] [2019-12-07 12:57:16,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:57:16,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:57:16,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:57:16,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:57:16,101 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 12:57:16,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:57:16,119 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 12:57:16,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:57:16,120 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 12:57:16,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:57:16,127 INFO L225 Difference]: With dead ends: 148 [2019-12-07 12:57:16,127 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 12:57:16,129 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:57:16,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 12:57:16,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 12:57:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 12:57:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 12:57:16,155 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2019-12-07 12:57:16,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:57:16,156 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 12:57:16,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:57:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 12:57:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:57:16,157 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:16,157 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:16,157 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:16,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:16,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2019-12-07 12:57:16,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:57:16,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705558398] [2019-12-07 12:57:16,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:57:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:57:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:57:16,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705558398] [2019-12-07 12:57:16,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:57:16,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:57:16,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916467220] [2019-12-07 12:57:16,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:57:16,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:57:16,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:57:16,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:57:16,216 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-12-07 12:57:16,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:57:16,223 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 12:57:16,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:57:16,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 12:57:16,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:57:16,224 INFO L225 Difference]: With dead ends: 73 [2019-12-07 12:57:16,224 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 12:57:16,225 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:57:16,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 12:57:16,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 12:57:16,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 12:57:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 12:57:16,228 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 12:57:16,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:57:16,229 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 12:57:16,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:57:16,229 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 12:57:16,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:57:16,229 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:16,229 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:16,230 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:16,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:16,230 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2019-12-07 12:57:16,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:57:16,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551678885] [2019-12-07 12:57:16,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:57:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:57:16,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:57:16,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551678885] [2019-12-07 12:57:16,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:57:16,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:57:16,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878657800] [2019-12-07 12:57:16,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:57:16,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:57:16,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:57:16,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:57:16,276 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2019-12-07 12:57:16,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:57:16,287 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2019-12-07 12:57:16,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:57:16,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 12:57:16,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:57:16,288 INFO L225 Difference]: With dead ends: 93 [2019-12-07 12:57:16,288 INFO L226 Difference]: Without dead ends: 64 [2019-12-07 12:57:16,289 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:57:16,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-12-07 12:57:16,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-12-07 12:57:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 12:57:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2019-12-07 12:57:16,295 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 24 [2019-12-07 12:57:16,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:57:16,295 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2019-12-07 12:57:16,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:57:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2019-12-07 12:57:16,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 12:57:16,296 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:16,296 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:16,297 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:16,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:16,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2019-12-07 12:57:16,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:57:16,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598818717] [2019-12-07 12:57:16,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:57:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:57:16,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:57:16,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598818717] [2019-12-07 12:57:16,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:57:16,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:57:16,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773560395] [2019-12-07 12:57:16,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:57:16,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:57:16,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:57:16,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:57:16,342 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2019-12-07 12:57:16,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:57:16,429 INFO L93 Difference]: Finished difference Result 320 states and 488 transitions. [2019-12-07 12:57:16,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 12:57:16,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 12:57:16,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:57:16,432 INFO L225 Difference]: With dead ends: 320 [2019-12-07 12:57:16,432 INFO L226 Difference]: Without dead ends: 266 [2019-12-07 12:57:16,433 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:57:16,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-12-07 12:57:16,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2019-12-07 12:57:16,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-12-07 12:57:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2019-12-07 12:57:16,450 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 25 [2019-12-07 12:57:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:57:16,451 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2019-12-07 12:57:16,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:57:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2019-12-07 12:57:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:57:16,452 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:16,452 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:16,453 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:16,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:16,453 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2019-12-07 12:57:16,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:57:16,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187386221] [2019-12-07 12:57:16,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:57:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:57:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:57:16,562 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:57:16,562 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:57:16,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:57:16 BoogieIcfgContainer [2019-12-07 12:57:16,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:57:16,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:57:16,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:57:16,622 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:57:16,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:57:15" (3/4) ... [2019-12-07 12:57:16,624 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 12:57:16,679 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_69f677da-bab1-4f61-866d-56c18860e229/bin/uautomizer/witness.graphml [2019-12-07 12:57:16,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:57:16,681 INFO L168 Benchmark]: Toolchain (without parser) took 1605.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 946.2 MB in the beginning and 944.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 131.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:16,681 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:57:16,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:16,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.36 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. [2019-12-07 12:57:16,682 INFO L168 Benchmark]: Boogie Preprocessor took 25.06 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. [2019-12-07 12:57:16,682 INFO L168 Benchmark]: RCFGBuilder took 412.66 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:16,682 INFO L168 Benchmark]: TraceAbstraction took 767.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.7 MB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:16,683 INFO L168 Benchmark]: Witness Printer took 57.09 ms. Allocated memory is still 1.2 GB. Free memory was 954.7 MB in the beginning and 944.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:16,684 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.36 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 25.06 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 412.66 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 767.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.7 MB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * Witness Printer took 57.09 ms. Allocated memory is still 1.2 GB. Free memory was 954.7 MB in the beginning and 944.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] int retValue_acc ; [L166] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] tmp = valid_product() [L174] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L762] tmp = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L829] COND TRUE waterLevel < 2 [L830] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L603] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L610] COND TRUE \read(systemActive) [L632] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L635] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L558] int tmp ; [L559] int tmp___0 ; [L560] int tmp___1 ; [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L570] tmp___0 = getWaterLevel() [L572] COND TRUE tmp___0 == 2 [L684] int retValue_acc ; [L687] retValue_acc = pumpRunning [L688] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L574] tmp___1 = isPumpRunning() [L576] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 280 SDtfs, 272 SDslu, 233 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 162 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3488 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 incorrect! Received shutdown request...