./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/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 2802309dbd9334e3c65161de741c9f21c5d465d0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-20 05:17:54,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:17:54,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:17:54,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:17:54,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:17:54,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:17:54,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:17:54,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:17:54,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:17:54,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:17:54,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:17:54,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:17:54,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:17:54,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:17:54,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:17:54,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:17:54,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:17:54,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:17:54,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:17:54,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:17:54,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:17:54,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:17:54,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:17:54,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:17:54,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:17:54,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:17:54,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:17:54,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:17:54,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:17:54,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:17:54,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:17:54,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:17:54,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:17:54,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:17:54,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:17:54,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:17:54,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:17:54,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:17:54,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:17:54,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:17:54,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:17:54,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:17:54,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:17:54,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:17:54,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:17:54,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:17:54,564 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:17:54,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:17:54,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:17:54,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:17:54,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:17:54,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:17:54,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:17:54,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:17:54,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:17:54,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:17:54,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:17:54,567 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:17:54,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:17:54,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:17:54,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:17:54,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:17:54,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:17:54,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:17:54,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:17:54,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:17:54,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:17:54,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:17:54,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:17:54,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:17:54,571 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_dc902db9-8700-4864-8662-702058ecf7e1/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 -> 2802309dbd9334e3c65161de741c9f21c5d465d0 [2019-11-20 05:17:54,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:17:54,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:17:54,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:17:54,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:17:54,762 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:17:54,763 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2019-11-20 05:17:54,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/data/5f2051294/134b6d5ad6624b5ebed60ff9eff6e0f0/FLAG082022239 [2019-11-20 05:17:55,218 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:17:55,220 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2019-11-20 05:17:55,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/data/5f2051294/134b6d5ad6624b5ebed60ff9eff6e0f0/FLAG082022239 [2019-11-20 05:17:55,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/data/5f2051294/134b6d5ad6624b5ebed60ff9eff6e0f0 [2019-11-20 05:17:55,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:17:55,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:17:55,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:17:55,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:17:55,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:17:55,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:17:55" (1/1) ... [2019-11-20 05:17:55,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1048afe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:55, skipping insertion in model container [2019-11-20 05:17:55,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:17:55" (1/1) ... [2019-11-20 05:17:55,556 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:17:55,597 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:17:55,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:17:56,001 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:17:56,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:17:56,151 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:17:56,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56 WrapperNode [2019-11-20 05:17:56,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:17:56,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:17:56,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:17:56,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:17:56,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:17:56,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:17:56,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:17:56,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:17:56,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... [2019-11-20 05:17:56,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:17:56,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:17:56,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:17:56,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:17:56,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/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 [2019-11-20 05:17:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:17:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:17:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:17:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:17:57,152 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:17:57,152 INFO L285 CfgBuilder]: Removed 168 assume(true) statements. [2019-11-20 05:17:57,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:57 BoogieIcfgContainer [2019-11-20 05:17:57,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:17:57,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:17:57,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:17:57,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:17:57,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:17:55" (1/3) ... [2019-11-20 05:17:57,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6834094c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:17:57, skipping insertion in model container [2019-11-20 05:17:57,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:56" (2/3) ... [2019-11-20 05:17:57,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6834094c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:17:57, skipping insertion in model container [2019-11-20 05:17:57,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:57" (3/3) ... [2019-11-20 05:17:57,161 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product24.cil.c [2019-11-20 05:17:57,170 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:17:57,176 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 05:17:57,185 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 05:17:57,208 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:17:57,208 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:17:57,208 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:17:57,208 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:17:57,209 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:17:57,209 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:17:57,209 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:17:57,209 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:17:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-11-20 05:17:57,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:17:57,231 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:57,232 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:57,232 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:57,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:57,236 INFO L82 PathProgramCache]: Analyzing trace with hash -194461515, now seen corresponding path program 1 times [2019-11-20 05:17:57,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:57,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307822424] [2019-11-20 05:17:57,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:57,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307822424] [2019-11-20 05:17:57,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:57,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:17:57,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832494195] [2019-11-20 05:17:57,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:17:57,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:57,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:17:57,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:17:57,477 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-11-20 05:17:57,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:57,527 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2019-11-20 05:17:57,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:17:57,528 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 05:17:57,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:57,543 INFO L225 Difference]: With dead ends: 220 [2019-11-20 05:17:57,543 INFO L226 Difference]: Without dead ends: 109 [2019-11-20 05:17:57,546 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 [2019-11-20 05:17:57,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-20 05:17:57,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-11-20 05:17:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 05:17:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2019-11-20 05:17:57,582 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 18 [2019-11-20 05:17:57,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:57,583 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2019-11-20 05:17:57,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:17:57,583 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2019-11-20 05:17:57,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 05:17:57,584 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:57,584 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:57,585 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:57,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:57,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1105492268, now seen corresponding path program 1 times [2019-11-20 05:17:57,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:57,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477292182] [2019-11-20 05:17:57,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:57,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477292182] [2019-11-20 05:17:57,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:57,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:17:57,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774058746] [2019-11-20 05:17:57,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:17:57,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:57,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:17:57,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:17:57,688 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand 3 states. [2019-11-20 05:17:57,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:57,709 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2019-11-20 05:17:57,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:17:57,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-20 05:17:57,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:57,711 INFO L225 Difference]: With dead ends: 109 [2019-11-20 05:17:57,712 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 05:17:57,713 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 [2019-11-20 05:17:57,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 05:17:57,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-20 05:17:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 05:17:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-20 05:17:57,724 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-11-20 05:17:57,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:57,724 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-20 05:17:57,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:17:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-20 05:17:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:17:57,727 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:57,728 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] [2019-11-20 05:17:57,728 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:57,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:57,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1805721692, now seen corresponding path program 1 times [2019-11-20 05:17:57,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:57,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363572748] [2019-11-20 05:17:57,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:57,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:57,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363572748] [2019-11-20 05:17:57,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:57,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:17:57,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865892329] [2019-11-20 05:17:57,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:17:57,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:57,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:17:57,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:57,870 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 5 states. [2019-11-20 05:17:57,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:57,955 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-20 05:17:57,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:17:57,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 05:17:57,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:57,960 INFO L225 Difference]: With dead ends: 113 [2019-11-20 05:17:57,960 INFO L226 Difference]: Without dead ends: 72 [2019-11-20 05:17:57,961 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:17:57,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-11-20 05:17:57,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2019-11-20 05:17:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-20 05:17:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2019-11-20 05:17:57,976 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 24 [2019-11-20 05:17:57,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:57,977 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2019-11-20 05:17:57,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:17:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2019-11-20 05:17:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:17:57,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:57,985 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] [2019-11-20 05:17:57,985 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:57,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:57,986 INFO L82 PathProgramCache]: Analyzing trace with hash -820987702, now seen corresponding path program 1 times [2019-11-20 05:17:57,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:57,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225934244] [2019-11-20 05:17:57,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:58,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225934244] [2019-11-20 05:17:58,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:58,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:17:58,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601402045] [2019-11-20 05:17:58,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:17:58,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:58,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:17:58,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:58,102 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand 5 states. [2019-11-20 05:17:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:58,255 INFO L93 Difference]: Finished difference Result 376 states and 572 transitions. [2019-11-20 05:17:58,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 05:17:58,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-20 05:17:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:58,259 INFO L225 Difference]: With dead ends: 376 [2019-11-20 05:17:58,259 INFO L226 Difference]: Without dead ends: 314 [2019-11-20 05:17:58,260 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 [2019-11-20 05:17:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-20 05:17:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 124. [2019-11-20 05:17:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-20 05:17:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 179 transitions. [2019-11-20 05:17:58,303 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 179 transitions. Word has length 26 [2019-11-20 05:17:58,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:58,303 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 179 transitions. [2019-11-20 05:17:58,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:17:58,304 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 179 transitions. [2019-11-20 05:17:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:17:58,309 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:58,309 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, 1] [2019-11-20 05:17:58,309 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:58,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:58,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1430024248, now seen corresponding path program 1 times [2019-11-20 05:17:58,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:58,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444061995] [2019-11-20 05:17:58,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:17:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:17:58,518 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:17:58,519 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 05:17:58,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:17:58 BoogieIcfgContainer [2019-11-20 05:17:58,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:17:58,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:17:58,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:17:58,614 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:17:58,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:57" (3/4) ... [2019-11-20 05:17:58,622 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 05:17:58,770 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dc902db9-8700-4864-8662-702058ecf7e1/bin/uautomizer/witness.graphml [2019-11-20 05:17:58,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:17:58,775 INFO L168 Benchmark]: Toolchain (without parser) took 3232.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 940.6 MB in the beginning and 930.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 155.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:58,776 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:17:58,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:58,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.55 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. [2019-11-20 05:17:58,777 INFO L168 Benchmark]: Boogie Preprocessor took 67.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:58,778 INFO L168 Benchmark]: RCFGBuilder took 831.67 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:58,779 INFO L168 Benchmark]: TraceAbstraction took 1458.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.9 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:58,779 INFO L168 Benchmark]: Witness Printer took 157.98 ms. Allocated memory is still 1.2 GB. Free memory was 940.9 MB in the beginning and 930.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:17:58,781 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 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 610.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.55 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. * Boogie Preprocessor took 67.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 831.67 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1458.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.9 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. * Witness Printer took 157.98 ms. Allocated memory is still 1.2 GB. Free memory was 940.9 MB in the beginning and 930.2 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: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L369] int cleanupTimeShifts = 4; [L637] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L445] int retValue_acc ; [L446] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L952] retValue_acc = 1 [L953] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L452] tmp = valid_product() [L454] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] int splverifierCounter ; [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L270] int tmp___2 ; [L273] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L275] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L283] tmp = __VERIFIER_nondet_int() [L285] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L293] tmp___0 = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L303] tmp___2 = __VERIFIER_nondet_int() [L305] COND TRUE \read(tmp___2) [L257] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L68] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L75] COND TRUE \read(systemActive) [L123] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L126] COND FALSE !(\read(pumpRunning)) [L97] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L100] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L342] tmp = isMethaneLevelCritical() [L344] COND FALSE !(\read(tmp)) [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L348] tmp___0 = getWaterLevel() [L350] COND TRUE tmp___0 == 2 [L175] int retValue_acc ; [L178] retValue_acc = pumpRunning [L179] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] tmp___1 = isPumpRunning() [L354] 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, 113 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 400 SDtfs, 644 SDslu, 310 SDs, 0 SdLazy, 55 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 194 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3169 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...