./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/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 426d9f957077f660214567f7d0d5aaa1a30c29c0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:38,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:38,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:38,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:38,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:38,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:38,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:38,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:38,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:38,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:38,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:38,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:38,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:38,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:38,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:38,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:38,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:38,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:38,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:38,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:38,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:38,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:38,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:38,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:38,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:38,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:38,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:38,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:38,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:38,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:38,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:38,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:38,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:38,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:38,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:38,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:38,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:38,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:38,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:38,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:38,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:38,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:38,437 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:38,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:38,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:38,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:38,448 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:38,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:38,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:38,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:38,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:38,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:38,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:38,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:38,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:38,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:38,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:38,450 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:38,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:38,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:38,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:38,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:38,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:38,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:38,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:38,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:38,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:38,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:38,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:38,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:38,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/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 -> 426d9f957077f660214567f7d0d5aaa1a30c29c0 [2019-10-22 08:57:38,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:38,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:38,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:38,490 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:38,490 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:38,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-10-22 08:57:38,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/data/1c91d7f8a/38cdb097df764f5299b48ab464b320de/FLAG91ca411ac [2019-10-22 08:57:38,930 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:38,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-10-22 08:57:38,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/data/1c91d7f8a/38cdb097df764f5299b48ab464b320de/FLAG91ca411ac [2019-10-22 08:57:38,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/data/1c91d7f8a/38cdb097df764f5299b48ab464b320de [2019-10-22 08:57:38,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:38,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:38,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:38,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:38,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:38,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:38" (1/1) ... [2019-10-22 08:57:38,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796ae715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:38, skipping insertion in model container [2019-10-22 08:57:38,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:38" (1/1) ... [2019-10-22 08:57:38,980 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:39,028 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:39,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:39,402 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:39,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:39,494 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:39,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39 WrapperNode [2019-10-22 08:57:39,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:39,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:39,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:39,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:39,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:39,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:39,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:39,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:39,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:39,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:39,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:39,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:39,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:57:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:40,283 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:40,284 INFO L284 CfgBuilder]: Removed 114 assume(true) statements. [2019-10-22 08:57:40,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:40 BoogieIcfgContainer [2019-10-22 08:57:40,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:40,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:40,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:40,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:40,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:38" (1/3) ... [2019-10-22 08:57:40,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334fb0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:40, skipping insertion in model container [2019-10-22 08:57:40,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (2/3) ... [2019-10-22 08:57:40,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334fb0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:40, skipping insertion in model container [2019-10-22 08:57:40,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:40" (3/3) ... [2019-10-22 08:57:40,292 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2019-10-22 08:57:40,301 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:40,311 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:57:40,320 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:57:40,349 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:40,350 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:40,350 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:40,350 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:40,350 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:40,351 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:40,351 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:40,351 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:40,368 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-10-22 08:57:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:57:40,376 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:40,377 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:40,378 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:40,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:40,385 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2019-10-22 08:57:40,392 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:40,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116050256] [2019-10-22 08:57:40,393 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:40,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:40,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:40,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116050256] [2019-10-22 08:57:40,629 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:40,629 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:40,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37564268] [2019-10-22 08:57:40,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:57:40,633 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:40,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:57:40,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:40,644 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-10-22 08:57:40,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:40,666 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2019-10-22 08:57:40,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:40,667 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 08:57:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:40,675 INFO L225 Difference]: With dead ends: 171 [2019-10-22 08:57:40,675 INFO L226 Difference]: Without dead ends: 85 [2019-10-22 08:57:40,678 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:40,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-22 08:57:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-10-22 08:57:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-22 08:57:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-10-22 08:57:40,719 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2019-10-22 08:57:40,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:40,719 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-10-22 08:57:40,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:57:40,720 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-10-22 08:57:40,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:57:40,720 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:40,722 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:40,722 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:40,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:40,722 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2019-10-22 08:57:40,722 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:40,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779558889] [2019-10-22 08:57:40,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:40,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:40,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:40,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779558889] [2019-10-22 08:57:40,809 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:40,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:40,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389573359] [2019-10-22 08:57:40,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:40,810 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:40,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:40,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:40,811 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2019-10-22 08:57:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:40,824 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-10-22 08:57:40,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:40,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 08:57:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:40,826 INFO L225 Difference]: With dead ends: 85 [2019-10-22 08:57:40,826 INFO L226 Difference]: Without dead ends: 40 [2019-10-22 08:57:40,827 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:40,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-22 08:57:40,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-10-22 08:57:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-22 08:57:40,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2019-10-22 08:57:40,832 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2019-10-22 08:57:40,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:40,834 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2019-10-22 08:57:40,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2019-10-22 08:57:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:57:40,835 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:40,835 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:40,835 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:40,835 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2019-10-22 08:57:40,835 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:40,836 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559972432] [2019-10-22 08:57:40,836 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:40,836 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:40,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:40,940 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559972432] [2019-10-22 08:57:40,940 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:40,940 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:40,940 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603405106] [2019-10-22 08:57:40,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:57:40,941 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:40,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:40,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:40,941 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 6 states. [2019-10-22 08:57:41,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:41,077 INFO L93 Difference]: Finished difference Result 132 states and 192 transitions. [2019-10-22 08:57:41,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:41,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-10-22 08:57:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:41,082 INFO L225 Difference]: With dead ends: 132 [2019-10-22 08:57:41,082 INFO L226 Difference]: Without dead ends: 99 [2019-10-22 08:57:41,082 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:41,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-22 08:57:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 62. [2019-10-22 08:57:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-22 08:57:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2019-10-22 08:57:41,097 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2019-10-22 08:57:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:41,097 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2019-10-22 08:57:41,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:57:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-10-22 08:57:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 08:57:41,098 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:41,098 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:41,098 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:41,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:41,099 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2019-10-22 08:57:41,099 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:41,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577476524] [2019-10-22 08:57:41,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:41,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577476524] [2019-10-22 08:57:41,178 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:41,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:41,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169480026] [2019-10-22 08:57:41,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:41,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:41,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:41,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:41,180 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand 3 states. [2019-10-22 08:57:41,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:41,209 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2019-10-22 08:57:41,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:41,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-22 08:57:41,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:41,210 INFO L225 Difference]: With dead ends: 141 [2019-10-22 08:57:41,210 INFO L226 Difference]: Without dead ends: 86 [2019-10-22 08:57:41,211 INFO L600 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 [2019-10-22 08:57:41,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-22 08:57:41,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2019-10-22 08:57:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-10-22 08:57:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2019-10-22 08:57:41,221 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2019-10-22 08:57:41,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:41,221 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2019-10-22 08:57:41,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2019-10-22 08:57:41,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 08:57:41,222 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:41,222 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:41,222 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:41,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:41,223 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2019-10-22 08:57:41,223 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:41,223 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913619354] [2019-10-22 08:57:41,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:41,306 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913619354] [2019-10-22 08:57:41,306 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:41,306 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:41,306 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136830627] [2019-10-22 08:57:41,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:41,307 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:41,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:41,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:41,308 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 5 states. [2019-10-22 08:57:41,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:41,420 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2019-10-22 08:57:41,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:57:41,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-10-22 08:57:41,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:41,422 INFO L225 Difference]: With dead ends: 273 [2019-10-22 08:57:41,422 INFO L226 Difference]: Without dead ends: 196 [2019-10-22 08:57:41,422 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:57:41,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-10-22 08:57:41,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2019-10-22 08:57:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-22 08:57:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2019-10-22 08:57:41,443 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2019-10-22 08:57:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:41,443 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2019-10-22 08:57:41,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2019-10-22 08:57:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:57:41,449 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:41,450 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:41,450 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:41,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:41,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2019-10-22 08:57:41,450 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:41,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99509535] [2019-10-22 08:57:41,451 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,451 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:41,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:41,529 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99509535] [2019-10-22 08:57:41,530 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:41,530 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:41,530 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236273091] [2019-10-22 08:57:41,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:41,531 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:41,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:41,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:41,531 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand 5 states. [2019-10-22 08:57:41,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:41,596 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2019-10-22 08:57:41,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:41,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 08:57:41,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:41,599 INFO L225 Difference]: With dead ends: 240 [2019-10-22 08:57:41,599 INFO L226 Difference]: Without dead ends: 165 [2019-10-22 08:57:41,600 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:57:41,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-10-22 08:57:41,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2019-10-22 08:57:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-22 08:57:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2019-10-22 08:57:41,616 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2019-10-22 08:57:41,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:41,616 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2019-10-22 08:57:41,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2019-10-22 08:57:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:57:41,617 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:41,617 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:41,618 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:41,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:41,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2019-10-22 08:57:41,621 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:41,621 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995245133] [2019-10-22 08:57:41,621 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,622 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:41,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995245133] [2019-10-22 08:57:41,687 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:41,687 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:57:41,687 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342277311] [2019-10-22 08:57:41,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:57:41,687 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:41,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:41,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:41,689 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand 6 states. [2019-10-22 08:57:41,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:41,765 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2019-10-22 08:57:41,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:41,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-10-22 08:57:41,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:41,767 INFO L225 Difference]: With dead ends: 254 [2019-10-22 08:57:41,767 INFO L226 Difference]: Without dead ends: 176 [2019-10-22 08:57:41,768 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:57:41,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-10-22 08:57:41,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 87. [2019-10-22 08:57:41,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 08:57:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2019-10-22 08:57:41,784 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2019-10-22 08:57:41,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:41,784 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2019-10-22 08:57:41,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:57:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2019-10-22 08:57:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:57:41,785 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:41,786 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:41,786 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:41,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:41,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2019-10-22 08:57:41,786 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:41,786 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494756690] [2019-10-22 08:57:41,787 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,787 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:41,836 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494756690] [2019-10-22 08:57:41,836 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:41,837 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:41,837 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29498707] [2019-10-22 08:57:41,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:41,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:41,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:41,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:41,838 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand 3 states. [2019-10-22 08:57:41,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:41,866 INFO L93 Difference]: Finished difference Result 216 states and 292 transitions. [2019-10-22 08:57:41,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:41,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 08:57:41,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:41,868 INFO L225 Difference]: With dead ends: 216 [2019-10-22 08:57:41,868 INFO L226 Difference]: Without dead ends: 136 [2019-10-22 08:57:41,868 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:41,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-10-22 08:57:41,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-10-22 08:57:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-22 08:57:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 179 transitions. [2019-10-22 08:57:41,886 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 179 transitions. Word has length 33 [2019-10-22 08:57:41,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:41,886 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 179 transitions. [2019-10-22 08:57:41,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 179 transitions. [2019-10-22 08:57:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:57:41,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:41,887 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:41,887 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:41,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:41,887 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2019-10-22 08:57:41,888 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:41,891 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698986532] [2019-10-22 08:57:41,891 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,891 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:41,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:41,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698986532] [2019-10-22 08:57:41,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:41,973 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:57:41,973 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413633587] [2019-10-22 08:57:41,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:57:41,974 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:41,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:41,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:41,974 INFO L87 Difference]: Start difference. First operand 136 states and 179 transitions. Second operand 6 states. [2019-10-22 08:57:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:42,191 INFO L93 Difference]: Finished difference Result 481 states and 655 transitions. [2019-10-22 08:57:42,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:57:42,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-10-22 08:57:42,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:42,193 INFO L225 Difference]: With dead ends: 481 [2019-10-22 08:57:42,194 INFO L226 Difference]: Without dead ends: 401 [2019-10-22 08:57:42,194 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:57:42,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-10-22 08:57:42,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 198. [2019-10-22 08:57:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-10-22 08:57:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2019-10-22 08:57:42,237 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 34 [2019-10-22 08:57:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:42,237 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2019-10-22 08:57:42,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:57:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2019-10-22 08:57:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 08:57:42,242 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:42,245 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 08:57:42,245 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:42,246 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2019-10-22 08:57:42,246 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:42,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38942656] [2019-10-22 08:57:42,246 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:42,266 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:42,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:42,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38942656] [2019-10-22 08:57:42,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450417361] [2019-10-22 08:57:42,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:42,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:57:42,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:42,512 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:57:42,512 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-22 08:57:42,512 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204959425] [2019-10-22 08:57:42,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:57:42,513 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:42,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:57:42,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:42,514 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand 8 states. [2019-10-22 08:57:42,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:42,669 INFO L93 Difference]: Finished difference Result 353 states and 468 transitions. [2019-10-22 08:57:42,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:42,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-22 08:57:42,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:42,670 INFO L225 Difference]: With dead ends: 353 [2019-10-22 08:57:42,670 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:42,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:57:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:42,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:42,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-10-22 08:57:42,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:42,672 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:42,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:57:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:42,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:42,873 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:42,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:43,644 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-10-22 08:57:43,897 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2019-10-22 08:57:44,176 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2019-10-22 08:57:44,415 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 39 [2019-10-22 08:57:44,693 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2019-10-22 08:57:44,815 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2019-10-22 08:57:44,935 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-10-22 08:57:45,173 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 31 [2019-10-22 08:57:45,281 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2019-10-22 08:57:45,455 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2019-10-22 08:57:45,698 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2019-10-22 08:57:45,923 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2019-10-22 08:57:45,965 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-10-22 08:57:45,965 INFO L439 ceAbstractionStarter]: At program point L878(lines 863 881) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (and (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (= ~pumpRunning~0 0))) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2))) (or (and .cse0 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) .cse1 .cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse3)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse0))) [2019-10-22 08:57:45,965 INFO L439 ceAbstractionStarter]: At program point L878-1(lines 863 881) the Hoare annotation is: false [2019-10-22 08:57:45,965 INFO L439 ceAbstractionStarter]: At program point L878-2(lines 863 881) the Hoare annotation is: false [2019-10-22 08:57:45,966 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 651) no Hoare annotation was computed. [2019-10-22 08:57:45,966 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:45,966 INFO L439 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: false [2019-10-22 08:57:45,966 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 939) no Hoare annotation was computed. [2019-10-22 08:57:45,966 INFO L443 ceAbstractionStarter]: For program point L929-2(lines 929 939) no Hoare annotation was computed. [2019-10-22 08:57:45,966 INFO L443 ceAbstractionStarter]: For program point L929-4(lines 929 939) no Hoare annotation was computed. [2019-10-22 08:57:45,966 INFO L443 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-10-22 08:57:45,966 INFO L443 ceAbstractionStarter]: For program point L930-2(lines 930 936) no Hoare annotation was computed. [2019-10-22 08:57:45,966 INFO L443 ceAbstractionStarter]: For program point L930-4(lines 930 936) no Hoare annotation was computed. [2019-10-22 08:57:45,966 INFO L439 ceAbstractionStarter]: At program point L914(lines 738 744) the Hoare annotation is: (let ((.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3)) (and (= 1 ~switchedOnBeforeTS~0) (and (and (not (= 0 ~systemActive~0)) .cse3) .cse1 .cse2 .cse0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2019-10-22 08:57:45,967 INFO L439 ceAbstractionStarter]: At program point L914-1(lines 738 744) the Hoare annotation is: false [2019-10-22 08:57:45,967 INFO L439 ceAbstractionStarter]: At program point L914-2(lines 738 744) the Hoare annotation is: false [2019-10-22 08:57:45,967 INFO L439 ceAbstractionStarter]: At program point L551(lines 546 554) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:45,967 INFO L443 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-10-22 08:57:45,967 INFO L439 ceAbstractionStarter]: At program point L717(lines 708 721) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (and (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (= ~pumpRunning~0 0))) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-10-22 08:57:45,967 INFO L439 ceAbstractionStarter]: At program point L717-1(lines 708 721) the Hoare annotation is: false [2019-10-22 08:57:45,967 INFO L439 ceAbstractionStarter]: At program point L717-2(lines 708 721) the Hoare annotation is: false [2019-10-22 08:57:45,967 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-10-22 08:57:45,967 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-10-22 08:57:45,967 INFO L443 ceAbstractionStarter]: For program point L635-3(lines 635 639) no Hoare annotation was computed. [2019-10-22 08:57:45,968 INFO L443 ceAbstractionStarter]: For program point L635-6(lines 635 639) no Hoare annotation was computed. [2019-10-22 08:57:45,968 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:45,968 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 609) no Hoare annotation was computed. [2019-10-22 08:57:45,968 INFO L439 ceAbstractionStarter]: At program point L603-1(lines 603 609) the Hoare annotation is: (let ((.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse4 (and (not (= 0 ~systemActive~0)) .cse2)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 (and .cse1 (and (= ~pumpRunning~0 0) .cse2) .cse3)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse1 .cse3 .cse0 .cse4) .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and .cse1 (<= 2 ~waterLevel~0) .cse3 .cse0 .cse4) .cse5)))) [2019-10-22 08:57:45,969 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-10-22 08:57:45,969 INFO L446 ceAbstractionStarter]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2019-10-22 08:57:45,969 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-10-22 08:57:45,969 INFO L439 ceAbstractionStarter]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse1 .cse2 .cse0 .cse5) .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and .cse0 (and .cse1 .cse2 (and .cse5 .cse3))) (and (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0 .cse5) .cse6)))) [2019-10-22 08:57:45,969 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:57:45,969 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 787) no Hoare annotation was computed. [2019-10-22 08:57:45,969 INFO L443 ceAbstractionStarter]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2019-10-22 08:57:45,970 INFO L439 ceAbstractionStarter]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse6 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse2 .cse0 .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and .cse1 (<= 2 ~waterLevel~0) .cse5 .cse2 .cse0 .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (and .cse1 (and (and .cse5 .cse3) (= 0 ULTIMATE.start_processEnvironment_~tmp~5)) .cse2) .cse0)))) [2019-10-22 08:57:45,970 INFO L443 ceAbstractionStarter]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2019-10-22 08:57:45,970 INFO L439 ceAbstractionStarter]: At program point L704-1(lines 699 707) the Hoare annotation is: false [2019-10-22 08:57:45,970 INFO L439 ceAbstractionStarter]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2019-10-22 08:57:45,970 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 892) no Hoare annotation was computed. [2019-10-22 08:57:45,970 INFO L439 ceAbstractionStarter]: At program point L886-1(lines 886 892) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:45,970 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 08:57:45,970 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 08:57:45,970 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 08:57:45,970 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:57:45,971 INFO L439 ceAbstractionStarter]: At program point L738(lines 734 756) the Hoare annotation is: (let ((.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse5 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4)) (and .cse0 (and .cse1 .cse2 (and .cse5 .cse3))) (and (= 1 ~switchedOnBeforeTS~0) (and .cse5 .cse1 .cse2 .cse0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2019-10-22 08:57:45,971 INFO L439 ceAbstractionStarter]: At program point L738-1(lines 734 756) the Hoare annotation is: false [2019-10-22 08:57:45,971 INFO L439 ceAbstractionStarter]: At program point L738-2(lines 734 756) the Hoare annotation is: false [2019-10-22 08:57:45,971 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:45,971 INFO L439 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: false [2019-10-22 08:57:45,972 INFO L439 ceAbstractionStarter]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:45,972 INFO L443 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2019-10-22 08:57:45,972 INFO L439 ceAbstractionStarter]: At program point L112(lines 108 114) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:45,972 INFO L443 ceAbstractionStarter]: For program point L872(lines 872 876) no Hoare annotation was computed. [2019-10-22 08:57:45,972 INFO L443 ceAbstractionStarter]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2019-10-22 08:57:45,972 INFO L443 ceAbstractionStarter]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2019-10-22 08:57:45,972 INFO L443 ceAbstractionStarter]: For program point L872-5(lines 872 876) no Hoare annotation was computed. [2019-10-22 08:57:45,972 INFO L443 ceAbstractionStarter]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2019-10-22 08:57:45,972 INFO L443 ceAbstractionStarter]: For program point L872-8(lines 872 876) no Hoare annotation was computed. [2019-10-22 08:57:45,972 INFO L439 ceAbstractionStarter]: At program point L823(lines 818 826) the Hoare annotation is: (let ((.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse6 (and (not (= 0 ~systemActive~0)) .cse3)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3)) (and .cse4 .cse5 (and .cse6 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse6 .cse1 .cse2 .cse0) .cse4 .cse5)))) [2019-10-22 08:57:45,973 INFO L439 ceAbstractionStarter]: At program point L823-1(lines 818 826) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= ~pumpRunning~0 1) (and (not (= 0 ~systemActive~0)) .cse3) (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and .cse2 (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse3)))) [2019-10-22 08:57:45,973 INFO L439 ceAbstractionStarter]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2019-10-22 08:57:45,973 INFO L439 ceAbstractionStarter]: At program point L823-3(lines 818 826) the Hoare annotation is: false [2019-10-22 08:57:45,973 INFO L439 ceAbstractionStarter]: At program point L823-4(lines 818 826) the Hoare annotation is: false [2019-10-22 08:57:45,973 INFO L439 ceAbstractionStarter]: At program point L823-5(lines 818 826) the Hoare annotation is: false [2019-10-22 08:57:45,973 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:57:45,973 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 782) no Hoare annotation was computed. [2019-10-22 08:57:45,973 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2019-10-22 08:57:45,973 INFO L443 ceAbstractionStarter]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2019-10-22 08:57:45,974 INFO L439 ceAbstractionStarter]: At program point L543(lines 1 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:45,974 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-10-22 08:57:45,974 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-10-22 08:57:45,974 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 08:57:45,974 INFO L439 ceAbstractionStarter]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse1 .cse2 .cse0 .cse5) .cse6 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and .cse0 (and .cse1 .cse2 (and .cse5 .cse3))) (and (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0 .cse5) .cse6)))) [2019-10-22 08:57:45,974 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-10-22 08:57:45,974 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:45,974 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 942) no Hoare annotation was computed. [2019-10-22 08:57:45,975 INFO L439 ceAbstractionStarter]: At program point L925-1(lines 1 945) the Hoare annotation is: (let ((.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (and (not (= 0 ~systemActive~0)) .cse6)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse4 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2 .cse4) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and .cse2 (and .cse0 .cse1 (and .cse4 .cse5))) (and .cse2 (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse5 .cse6))))) [2019-10-22 08:57:45,975 INFO L443 ceAbstractionStarter]: For program point L925-2(lines 925 942) no Hoare annotation was computed. [2019-10-22 08:57:45,975 INFO L439 ceAbstractionStarter]: At program point L925-3(lines 1 945) the Hoare annotation is: false [2019-10-22 08:57:45,975 INFO L443 ceAbstractionStarter]: For program point L925-4(lines 925 942) no Hoare annotation was computed. [2019-10-22 08:57:45,975 INFO L439 ceAbstractionStarter]: At program point L925-5(lines 1 945) the Hoare annotation is: false [2019-10-22 08:57:45,975 INFO L446 ceAbstractionStarter]: At program point L150(lines 131 153) the Hoare annotation is: true [2019-10-22 08:57:45,975 INFO L439 ceAbstractionStarter]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse5 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse6 (and (not (= 0 ~systemActive~0)) .cse4)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 2))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse6 .cse2 .cse0)) (and (and .cse1 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse0) .cse5) (and (and .cse1 .cse2 (and (= 0 ULTIMATE.start_processEnvironment_~tmp~5) (and .cse6 .cse3))) .cse0)))) [2019-10-22 08:57:45,975 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-10-22 08:57:45,975 INFO L439 ceAbstractionStarter]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2019-10-22 08:57:45,976 INFO L443 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-10-22 08:57:45,976 INFO L439 ceAbstractionStarter]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2019-10-22 08:57:45,977 INFO L443 ceAbstractionStarter]: For program point L712-2(lines 712 718) no Hoare annotation was computed. [2019-10-22 08:57:46,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:46 BoogieIcfgContainer [2019-10-22 08:57:46,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:46,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:46,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:46,028 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:46,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:40" (3/4) ... [2019-10-22 08:57:46,032 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:46,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:57:46,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:57:46,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:57:46,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:57:46,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:46,051 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:57:46,078 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:57:46,078 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:57:46,078 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 [2019-10-22 08:57:46,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive) && 0 == splverifierCounter) && tmp <= 2) || (((1 == switchedOnBeforeTS && ((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (waterLevel <= 2 && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:57:46,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && ((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (waterLevel <= 2 && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) [2019-10-22 08:57:46,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && ((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (waterLevel <= 2 && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) [2019-10-22 08:57:46,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (\result == 1 && pumpRunning == 0 && 0 == splverifierCounter) && 1 == tmp) || (((1 == switchedOnBeforeTS && ((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) [2019-10-22 08:57:46,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:46,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || ((pumpRunning == 1 && \result == 1) && ((((!(0 == systemActive) && 0 == splverifierCounter) && \result == 1) && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2)) || (((1 == switchedOnBeforeTS && (((!(0 == systemActive) && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) [2019-10-22 08:57:46,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (((!(0 == systemActive) && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) [2019-10-22 08:57:46,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 == switchedOnBeforeTS && (((!(0 == systemActive) && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) [2019-10-22 08:57:46,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && ((\result == 1 && !(0 == systemActive) && 0 == splverifierCounter) && 1 == tmp) && waterLevel <= 2)) || (((((\result == 1 && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1)) || (((\result == 1 && 1 == tmp) && 0 == tmp && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) [2019-10-22 08:57:46,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == switchedOnBeforeTS && \result == 1) && !(0 == systemActive) && 0 == splverifierCounter) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1)) || (((((((\result == 1 && 2 <= waterLevel) && !(0 == systemActive) && 0 == splverifierCounter) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result)) || (((\result == 1 && ((!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == tmp) && 1 == tmp) && waterLevel <= 2) [2019-10-22 08:57:46,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 1 == tmp) && waterLevel <= 2) && !(\result == 0)) || ((((\result == 1 && 2 <= waterLevel) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 1 == tmp) && waterLevel <= 2) [2019-10-22 08:57:46,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive) && 0 == splverifierCounter) && \result == 1) || (waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:57:46,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && ((((0 == \result && !(0 == tmp)) && \result == 1) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == tmp___0) && 1 == tmp) || ((((\result == 1 && 2 <= waterLevel) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 1 == tmp) && waterLevel <= 2) [2019-10-22 08:57:46,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_891b453e-4a66-4056-a4ce-57ec15bcb9b4/bin/uautomizer/witness.graphml [2019-10-22 08:57:46,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:46,131 INFO L168 Benchmark]: Toolchain (without parser) took 7165.13 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 940.4 MB in the beginning and 973.8 MB in the end (delta: -33.4 MB). Peak memory consumption was 294.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:46,131 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:46,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -222.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:46,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:46,134 INFO L168 Benchmark]: Boogie Preprocessor took 29.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:46,134 INFO L168 Benchmark]: RCFGBuilder took 708.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:46,134 INFO L168 Benchmark]: TraceAbstraction took 5742.22 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 148.9 MB). Free memory was 1.1 GB in the beginning and 990.7 MB in the end (delta: 98.0 MB). Peak memory consumption was 315.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:46,135 INFO L168 Benchmark]: Witness Printer took 101.91 ms. Allocated memory is still 1.4 GB. Free memory was 990.7 MB in the beginning and 973.8 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:46,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 528.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -222.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 708.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5742.22 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 148.9 MB). Free memory was 1.1 GB in the beginning and 990.7 MB in the end (delta: 98.0 MB). Peak memory consumption was 315.8 MB. Max. memory is 11.5 GB. * Witness Printer took 101.91 ms. Allocated memory is still 1.4 GB. Free memory was 990.7 MB in the beginning and 973.8 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((1 == switchedOnBeforeTS && (((!(0 == systemActive) && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && ((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (waterLevel <= 2 && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (((!(0 == systemActive) && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive) && 0 == splverifierCounter) && tmp <= 2) || (((1 == switchedOnBeforeTS && ((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (waterLevel <= 2 && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (\result == 1 && pumpRunning == 0 && 0 == splverifierCounter) && 1 == tmp) || (((1 == switchedOnBeforeTS && ((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && ((((0 == \result && !(0 == tmp)) && \result == 1) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == tmp___0) && 1 == tmp) || ((((\result == 1 && 2 <= waterLevel) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 1 == tmp) && waterLevel <= 2) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((((\result == 1 && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 1 == tmp) && waterLevel <= 2) && !(\result == 0)) || ((((\result == 1 && 2 <= waterLevel) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 1 == tmp) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || ((pumpRunning == 1 && \result == 1) && ((((!(0 == systemActive) && 0 == splverifierCounter) && \result == 1) && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2)) || (((1 == switchedOnBeforeTS && (((!(0 == systemActive) && 0 == splverifierCounter) && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && !(0 == systemActive) && 0 == splverifierCounter) && \result == 1) || (waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == switchedOnBeforeTS && \result == 1) && !(0 == systemActive) && 0 == splverifierCounter) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1)) || (((((((\result == 1 && 2 <= waterLevel) && !(0 == systemActive) && 0 == splverifierCounter) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result)) || (((\result == 1 && ((!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == tmp) && 1 == tmp) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && ((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (waterLevel <= 2 && (\result == 1 && 1 == tmp) && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && ((\result == 1 && !(0 == systemActive) && 0 == splverifierCounter) && 1 == tmp) && waterLevel <= 2)) || (((((\result == 1 && !(0 == systemActive) && 0 == splverifierCounter) && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1)) || (((\result == 1 && 1 == tmp) && 0 == tmp && (!(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: SAFE, OverallTime: 5.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, HoareTripleCheckerStatistics: 834 SDtfs, 1088 SDslu, 1466 SDs, 0 SdLazy, 228 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 525 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 137 NumberOfFragments, 1032 HoareAnnotationTreeSize, 39 FomulaSimplifications, 28023 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 39 FomulaSimplificationsInter, 62417 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 24337 SizeOfPredicates, 4 NumberOfNonLiveVariables, 396 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...