./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.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_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/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 99a0574ff0f23dd43b458f22f446fd063a15f78d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:59:54,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:54,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:54,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:54,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:54,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:54,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:54,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:54,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:54,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:54,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:54,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:54,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:54,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:54,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:54,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:54,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:54,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:54,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:54,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:54,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:54,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:54,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:54,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:54,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:54,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:54,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:54,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:54,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:54,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:54,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:54,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:54,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:54,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:54,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:54,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:54,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:54,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:54,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:54,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:54,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:54,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:54,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:54,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:54,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:54,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:54,509 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:54,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:54,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:54,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:54,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:54,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:54,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:54,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:54,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:54,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:54,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:54,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:54,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:54,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:54,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:54,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:54,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:54,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:54,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:54,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:54,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:54,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:54,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:54,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:54,513 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_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2019-10-22 08:59:54,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:54,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:54,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:54,553 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:54,554 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:54,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2019-10-22 08:59:54,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/data/47e30282f/5346f3be8c314d2ba4d1947d570ed097/FLAGbbb97485d [2019-10-22 08:59:55,076 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:55,078 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2019-10-22 08:59:55,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/data/47e30282f/5346f3be8c314d2ba4d1947d570ed097/FLAGbbb97485d [2019-10-22 08:59:55,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/data/47e30282f/5346f3be8c314d2ba4d1947d570ed097 [2019-10-22 08:59:55,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:55,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:55,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:55,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:55,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:55,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440a63aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55, skipping insertion in model container [2019-10-22 08:59:55,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,130 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:55,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:55,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:55,524 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:55,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:55,663 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:55,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55 WrapperNode [2019-10-22 08:59:55,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:55,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:55,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:55,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:55,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:55,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:55,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:55,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:55,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... [2019-10-22 08:59:55,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:55,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:55,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:55,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:55,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/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 08:59:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:59:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:56,577 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:56,577 INFO L284 CfgBuilder]: Removed 194 assume(true) statements. [2019-10-22 08:59:56,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:56 BoogieIcfgContainer [2019-10-22 08:59:56,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:56,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:56,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:56,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:56,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:55" (1/3) ... [2019-10-22 08:59:56,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789d842e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:56, skipping insertion in model container [2019-10-22 08:59:56,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:55" (2/3) ... [2019-10-22 08:59:56,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789d842e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:56, skipping insertion in model container [2019-10-22 08:59:56,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:56" (3/3) ... [2019-10-22 08:59:56,587 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2019-10-22 08:59:56,597 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:56,604 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:59:56,615 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:59:56,641 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:56,642 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:56,642 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:56,642 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:56,642 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:56,643 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:56,643 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:56,643 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-10-22 08:59:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:59:56,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:56,665 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:56,667 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:56,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:56,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2019-10-22 08:59:56,681 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:56,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758363975] [2019-10-22 08:59:56,682 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,682 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:56,864 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 08:59:56,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758363975] [2019-10-22 08:59:56,865 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:56,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:56,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809908898] [2019-10-22 08:59:56,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:59:56,869 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:56,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:59:56,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:59:56,879 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-10-22 08:59:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:56,914 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-10-22 08:59:56,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:59:56,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 08:59:56,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:56,926 INFO L225 Difference]: With dead ends: 264 [2019-10-22 08:59:56,926 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 08:59:56,929 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 08:59:56,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 08:59:56,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 08:59:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 08:59:56,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-10-22 08:59:56,966 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-10-22 08:59:56,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:56,967 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-10-22 08:59:56,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:59:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-10-22 08:59:56,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:59:56,968 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:56,968 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:56,968 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:56,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:56,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2019-10-22 08:59:56,969 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:56,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907604992] [2019-10-22 08:59:56,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,076 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 08:59:57,076 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907604992] [2019-10-22 08:59:57,077 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:57,077 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:57,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941868834] [2019-10-22 08:59:57,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:57,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:57,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:57,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:57,079 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-10-22 08:59:57,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:57,091 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-10-22 08:59:57,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:57,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 08:59:57,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:57,093 INFO L225 Difference]: With dead ends: 131 [2019-10-22 08:59:57,093 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 08:59:57,094 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 08:59:57,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 08:59:57,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 08:59:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 08:59:57,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 08:59:57,101 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-10-22 08:59:57,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:57,101 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 08:59:57,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:57,101 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 08:59:57,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:59:57,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:57,102 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:57,102 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:57,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:57,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2019-10-22 08:59:57,103 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:57,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600479326] [2019-10-22 08:59:57,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,222 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 08:59:57,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600479326] [2019-10-22 08:59:57,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:57,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:57,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70337305] [2019-10-22 08:59:57,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:57,228 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:57,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:57,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:57,229 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 08:59:57,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:57,274 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-10-22 08:59:57,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:57,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 08:59:57,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:57,275 INFO L225 Difference]: With dead ends: 100 [2019-10-22 08:59:57,276 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 08:59:57,276 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 08:59:57,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 08:59:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 08:59:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 08:59:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-10-22 08:59:57,288 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-10-22 08:59:57,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:57,289 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-10-22 08:59:57,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:57,289 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 08:59:57,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:59:57,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:57,290 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:57,290 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:57,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:57,291 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2019-10-22 08:59:57,291 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:57,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067749607] [2019-10-22 08:59:57,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,339 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 08:59:57,339 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067749607] [2019-10-22 08:59:57,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:57,340 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:57,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778438002] [2019-10-22 08:59:57,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:57,340 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:57,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:57,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:57,341 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-10-22 08:59:57,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:57,370 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-10-22 08:59:57,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:57,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:59:57,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:57,372 INFO L225 Difference]: With dead ends: 121 [2019-10-22 08:59:57,372 INFO L226 Difference]: Without dead ends: 74 [2019-10-22 08:59:57,372 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 08:59:57,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-22 08:59:57,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-10-22 08:59:57,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-22 08:59:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-10-22 08:59:57,379 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-10-22 08:59:57,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:57,379 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-10-22 08:59:57,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-10-22 08:59:57,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 08:59:57,380 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:57,380 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] [2019-10-22 08:59:57,380 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:57,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:57,381 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2019-10-22 08:59:57,381 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:57,381 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894874982] [2019-10-22 08:59:57,381 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,381 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,489 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 08:59:57,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894874982] [2019-10-22 08:59:57,490 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:57,490 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:59:57,490 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051687062] [2019-10-22 08:59:57,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:59:57,491 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:57,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:59:57,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:59:57,492 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 7 states. [2019-10-22 08:59:57,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:57,779 INFO L93 Difference]: Finished difference Result 461 states and 669 transitions. [2019-10-22 08:59:57,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 08:59:57,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2019-10-22 08:59:57,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:57,782 INFO L225 Difference]: With dead ends: 461 [2019-10-22 08:59:57,782 INFO L226 Difference]: Without dead ends: 395 [2019-10-22 08:59:57,783 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:59:57,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-22 08:59:57,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 173. [2019-10-22 08:59:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-10-22 08:59:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2019-10-22 08:59:57,818 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 30 [2019-10-22 08:59:57,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:57,819 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2019-10-22 08:59:57,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:59:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2019-10-22 08:59:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 08:59:57,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:57,821 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:57,821 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:57,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:57,821 INFO L82 PathProgramCache]: Analyzing trace with hash 731988412, now seen corresponding path program 1 times [2019-10-22 08:59:57,821 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:57,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188614227] [2019-10-22 08:59:57,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,925 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 08:59:57,926 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188614227] [2019-10-22 08:59:57,927 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:57,927 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:57,928 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945859316] [2019-10-22 08:59:57,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:57,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:57,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:57,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:57,930 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand 5 states. [2019-10-22 08:59:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:58,047 INFO L93 Difference]: Finished difference Result 423 states and 597 transitions. [2019-10-22 08:59:58,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:59:58,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-22 08:59:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:58,050 INFO L225 Difference]: With dead ends: 423 [2019-10-22 08:59:58,050 INFO L226 Difference]: Without dead ends: 421 [2019-10-22 08:59:58,050 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 08:59:58,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-22 08:59:58,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 173. [2019-10-22 08:59:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-10-22 08:59:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 239 transitions. [2019-10-22 08:59:58,075 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 239 transitions. Word has length 53 [2019-10-22 08:59:58,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:58,075 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 239 transitions. [2019-10-22 08:59:58,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 239 transitions. [2019-10-22 08:59:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 08:59:58,077 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:58,077 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-10-22 08:59:58,078 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:58,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:58,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1233125419, now seen corresponding path program 1 times [2019-10-22 08:59:58,078 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:58,078 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026309764] [2019-10-22 08:59:58,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:58,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:58,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 08:59:58,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026309764] [2019-10-22 08:59:58,163 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:58,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:58,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032144222] [2019-10-22 08:59:58,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:58,163 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:58,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:58,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:58,164 INFO L87 Difference]: Start difference. First operand 173 states and 239 transitions. Second operand 5 states. [2019-10-22 08:59:58,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:58,238 INFO L93 Difference]: Finished difference Result 462 states and 633 transitions. [2019-10-22 08:59:58,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:59:58,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-22 08:59:58,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:58,240 INFO L225 Difference]: With dead ends: 462 [2019-10-22 08:59:58,240 INFO L226 Difference]: Without dead ends: 295 [2019-10-22 08:59:58,241 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 08:59:58,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2019-10-22 08:59:58,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2019-10-22 08:59:58,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-10-22 08:59:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 254 transitions. [2019-10-22 08:59:58,264 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 254 transitions. Word has length 54 [2019-10-22 08:59:58,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:58,264 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 254 transitions. [2019-10-22 08:59:58,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 254 transitions. [2019-10-22 08:59:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 08:59:58,266 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:58,266 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-10-22 08:59:58,266 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:58,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:58,266 INFO L82 PathProgramCache]: Analyzing trace with hash 817858579, now seen corresponding path program 1 times [2019-10-22 08:59:58,267 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:58,267 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228561507] [2019-10-22 08:59:58,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:58,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:58,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 08:59:58,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228561507] [2019-10-22 08:59:58,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:58,307 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:58,307 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613143243] [2019-10-22 08:59:58,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:58,308 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:58,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:58,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:58,308 INFO L87 Difference]: Start difference. First operand 188 states and 254 transitions. Second operand 4 states. [2019-10-22 08:59:58,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:58,358 INFO L93 Difference]: Finished difference Result 398 states and 537 transitions. [2019-10-22 08:59:58,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:58,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-22 08:59:58,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:58,359 INFO L225 Difference]: With dead ends: 398 [2019-10-22 08:59:58,359 INFO L226 Difference]: Without dead ends: 216 [2019-10-22 08:59:58,360 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:58,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-10-22 08:59:58,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 158. [2019-10-22 08:59:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-22 08:59:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2019-10-22 08:59:58,378 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 54 [2019-10-22 08:59:58,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:58,378 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2019-10-22 08:59:58,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2019-10-22 08:59:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 08:59:58,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:58,379 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:58,380 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:58,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:58,380 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2019-10-22 08:59:58,380 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:58,384 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921954098] [2019-10-22 08:59:58,384 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:58,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:58,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:58,460 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921954098] [2019-10-22 08:59:58,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768425384] [2019-10-22 08:59:58,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/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 08:59:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:58,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 08:59:58,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:58,622 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:59:58,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-10-22 08:59:58,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832900534] [2019-10-22 08:59:58,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:59:58,622 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:58,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:59:58,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:58,623 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. Second operand 8 states. [2019-10-22 08:59:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:58,824 INFO L93 Difference]: Finished difference Result 575 states and 779 transitions. [2019-10-22 08:59:58,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 08:59:58,825 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2019-10-22 08:59:58,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:58,826 INFO L225 Difference]: With dead ends: 575 [2019-10-22 08:59:58,826 INFO L226 Difference]: Without dead ends: 447 [2019-10-22 08:59:58,827 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:59:58,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-22 08:59:58,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 201. [2019-10-22 08:59:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-10-22 08:59:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 264 transitions. [2019-10-22 08:59:58,848 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 264 transitions. Word has length 55 [2019-10-22 08:59:58,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:58,852 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 264 transitions. [2019-10-22 08:59:58,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:59:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 264 transitions. [2019-10-22 08:59:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 08:59:58,853 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:58,853 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 08:59:59,054 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:59,054 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:59,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:59,055 INFO L82 PathProgramCache]: Analyzing trace with hash -2086945688, now seen corresponding path program 2 times [2019-10-22 08:59:59,055 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:59,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044543502] [2019-10-22 08:59:59,055 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:59,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:59,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 08:59:59,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044543502] [2019-10-22 08:59:59,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:59,176 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:59,176 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437472648] [2019-10-22 08:59:59,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:59,176 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:59,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:59,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:59,177 INFO L87 Difference]: Start difference. First operand 201 states and 264 transitions. Second operand 5 states. [2019-10-22 08:59:59,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:59,314 INFO L93 Difference]: Finished difference Result 590 states and 787 transitions. [2019-10-22 08:59:59,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:59,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-10-22 08:59:59,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:59,317 INFO L225 Difference]: With dead ends: 590 [2019-10-22 08:59:59,317 INFO L226 Difference]: Without dead ends: 418 [2019-10-22 08:59:59,317 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:59,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-10-22 08:59:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 277. [2019-10-22 08:59:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2019-10-22 08:59:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 361 transitions. [2019-10-22 08:59:59,342 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 361 transitions. Word has length 76 [2019-10-22 08:59:59,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:59,343 INFO L462 AbstractCegarLoop]: Abstraction has 277 states and 361 transitions. [2019-10-22 08:59:59,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:59,344 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 361 transitions. [2019-10-22 08:59:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 08:59:59,345 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:59,345 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 08:59:59,345 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:59,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:59,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1812186074, now seen corresponding path program 1 times [2019-10-22 08:59:59,346 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:59,346 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866872118] [2019-10-22 08:59:59,346 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:59,346 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:59,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 08:59:59,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866872118] [2019-10-22 08:59:59,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947341819] [2019-10-22 08:59:59,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:59,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:59:59,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 08:59:59,570 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:59:59,570 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-10-22 08:59:59,570 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205260766] [2019-10-22 08:59:59,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:59,571 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:59,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:59,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:59:59,571 INFO L87 Difference]: Start difference. First operand 277 states and 361 transitions. Second operand 5 states. [2019-10-22 08:59:59,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:59,622 INFO L93 Difference]: Finished difference Result 492 states and 640 transitions. [2019-10-22 08:59:59,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:59,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-10-22 08:59:59,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:59,623 INFO L225 Difference]: With dead ends: 492 [2019-10-22 08:59:59,623 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:59:59,624 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:59:59,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:59:59,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:59:59,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:59:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:59,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-10-22 08:59:59,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:59,625 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:59,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:59,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:59:59,826 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:59,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:00,018 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2019-10-22 09:00:00,174 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2019-10-22 09:00:00,360 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2019-10-22 09:00:00,744 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 17 [2019-10-22 09:00:01,121 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 17 [2019-10-22 09:00:01,345 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2019-10-22 09:00:01,650 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 17 [2019-10-22 09:00:01,894 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2019-10-22 09:00:02,140 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 17 [2019-10-22 09:00:02,585 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-10-22 09:00:02,781 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 10 [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L796-2(lines 796 802) no Hoare annotation was computed. [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L796-4(lines 796 802) no Hoare annotation was computed. [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L796-6(lines 796 802) no Hoare annotation was computed. [2019-10-22 09:00:02,786 INFO L443 ceAbstractionStarter]: For program point L796-8(lines 796 802) no Hoare annotation was computed. [2019-10-22 09:00:02,787 INFO L443 ceAbstractionStarter]: For program point L796-10(lines 796 802) no Hoare annotation was computed. [2019-10-22 09:00:02,787 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2019-10-22 09:00:02,787 INFO L439 ceAbstractionStarter]: At program point L830(lines 825 833) the Hoare annotation is: false [2019-10-22 09:00:02,787 INFO L439 ceAbstractionStarter]: At program point L830-1(lines 825 833) the Hoare annotation is: false [2019-10-22 09:00:02,787 INFO L439 ceAbstractionStarter]: At program point L830-2(lines 825 833) the Hoare annotation is: false [2019-10-22 09:00:02,787 INFO L439 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: false [2019-10-22 09:00:02,787 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-22 09:00:02,787 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:02,787 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:02,787 INFO L443 ceAbstractionStarter]: For program point L534-2(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:02,788 INFO L443 ceAbstractionStarter]: For program point L534-3(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:02,788 INFO L443 ceAbstractionStarter]: For program point L534-4(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:02,788 INFO L443 ceAbstractionStarter]: For program point L534-5(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:02,788 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-10-22 09:00:02,788 INFO L443 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2019-10-22 09:00:02,788 INFO L443 ceAbstractionStarter]: For program point L898-3(lines 898 902) no Hoare annotation was computed. [2019-10-22 09:00:02,788 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L898-5(lines 898 902) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L898-6(lines 898 902) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L898-8(lines 898 902) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-22 09:00:02,789 INFO L443 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2019-10-22 09:00:02,790 INFO L439 ceAbstractionStarter]: At program point L965-2(lines 701 707) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and (= 1 ~systemActive~0) .cse0)) (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0))) [2019-10-22 09:00:02,790 INFO L439 ceAbstractionStarter]: At program point L701(lines 700 719) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:02,790 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-10-22 09:00:02,790 INFO L439 ceAbstractionStarter]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-10-22 09:00:02,790 INFO L439 ceAbstractionStarter]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-10-22 09:00:02,790 INFO L443 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2019-10-22 09:00:02,790 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 701 707) no Hoare annotation was computed. [2019-10-22 09:00:02,790 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 09:00:02,790 INFO L443 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-10-22 09:00:02,790 INFO L443 ceAbstractionStarter]: For program point L439-2(line 439) no Hoare annotation was computed. [2019-10-22 09:00:02,791 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-10-22 09:00:02,791 INFO L443 ceAbstractionStarter]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-10-22 09:00:02,791 INFO L443 ceAbstractionStarter]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-10-22 09:00:02,791 INFO L443 ceAbstractionStarter]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-10-22 09:00:02,791 INFO L443 ceAbstractionStarter]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-10-22 09:00:02,791 INFO L443 ceAbstractionStarter]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-10-22 09:00:02,791 INFO L439 ceAbstractionStarter]: At program point L539(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:02,791 INFO L439 ceAbstractionStarter]: At program point L539-1(lines 530 543) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2019-10-22 09:00:02,791 INFO L439 ceAbstractionStarter]: At program point L539-2(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:02,791 INFO L439 ceAbstractionStarter]: At program point L539-3(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:02,791 INFO L439 ceAbstractionStarter]: At program point L539-4(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:02,792 INFO L439 ceAbstractionStarter]: At program point L539-5(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:02,792 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-10-22 09:00:02,792 INFO L439 ceAbstractionStarter]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and (= 1 ~systemActive~0) .cse0)) (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0))) [2019-10-22 09:00:02,792 INFO L439 ceAbstractionStarter]: At program point L904(lines 889 907) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:02,792 INFO L439 ceAbstractionStarter]: At program point L904-1(lines 889 907) the Hoare annotation is: false [2019-10-22 09:00:02,793 INFO L439 ceAbstractionStarter]: At program point L904-2(lines 889 907) the Hoare annotation is: false [2019-10-22 09:00:02,793 INFO L439 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (<= 2 ~waterLevel~0)) (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (<= 1 ~waterLevel~0)))) [2019-10-22 09:00:02,793 INFO L439 ceAbstractionStarter]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-10-22 09:00:02,793 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2019-10-22 09:00:02,793 INFO L439 ceAbstractionStarter]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-10-22 09:00:02,793 INFO L446 ceAbstractionStarter]: At program point L642-1(lines 642 649) the Hoare annotation is: true [2019-10-22 09:00:02,793 INFO L439 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: false [2019-10-22 09:00:02,794 INFO L439 ceAbstractionStarter]: At program point L678(lines 1 982) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 485) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point L879-3(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point L879-5(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point L879-6(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L439 ceAbstractionStarter]: At program point L615(lines 611 617) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point L879-8(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L443 ceAbstractionStarter]: For program point L879-9(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,794 INFO L439 ceAbstractionStarter]: At program point L549(lines 544 552) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:02,794 INFO L439 ceAbstractionStarter]: At program point L549-1(lines 544 552) the Hoare annotation is: false [2019-10-22 09:00:02,795 INFO L443 ceAbstractionStarter]: For program point L879-11(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,795 INFO L439 ceAbstractionStarter]: At program point L549-2(lines 544 552) the Hoare annotation is: false [2019-10-22 09:00:02,795 INFO L443 ceAbstractionStarter]: For program point L879-12(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,795 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-10-22 09:00:02,795 INFO L443 ceAbstractionStarter]: For program point L879-14(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,795 INFO L439 ceAbstractionStarter]: At program point L417-1(lines 1 982) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0) (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0))) [2019-10-22 09:00:02,795 INFO L443 ceAbstractionStarter]: For program point L879-15(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,795 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2019-10-22 09:00:02,795 INFO L439 ceAbstractionStarter]: At program point L417-3(lines 1 982) the Hoare annotation is: false [2019-10-22 09:00:02,795 INFO L443 ceAbstractionStarter]: For program point L879-17(lines 879 883) no Hoare annotation was computed. [2019-10-22 09:00:02,795 INFO L443 ceAbstractionStarter]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2019-10-22 09:00:02,795 INFO L439 ceAbstractionStarter]: At program point L417-5(lines 1 982) the Hoare annotation is: false [2019-10-22 09:00:02,796 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-22 09:00:02,796 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-10-22 09:00:02,796 INFO L439 ceAbstractionStarter]: At program point L947-1(lines 947 953) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and (= 1 ~systemActive~0) .cse0)) (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0))) [2019-10-22 09:00:02,796 INFO L446 ceAbstractionStarter]: At program point L651(lines 632 654) the Hoare annotation is: true [2019-10-22 09:00:02,796 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-10-22 09:00:02,796 INFO L443 ceAbstractionStarter]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2019-10-22 09:00:02,797 INFO L443 ceAbstractionStarter]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2019-10-22 09:00:02,797 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:02,797 INFO L439 ceAbstractionStarter]: At program point L686(lines 681 689) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:02,797 INFO L439 ceAbstractionStarter]: At program point L885(lines 870 888) the Hoare annotation is: false [2019-10-22 09:00:02,797 INFO L439 ceAbstractionStarter]: At program point L885-1(lines 870 888) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= 1 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2019-10-22 09:00:02,797 INFO L439 ceAbstractionStarter]: At program point L885-2(lines 870 888) the Hoare annotation is: false [2019-10-22 09:00:02,797 INFO L439 ceAbstractionStarter]: At program point L885-3(lines 870 888) the Hoare annotation is: false [2019-10-22 09:00:02,797 INFO L439 ceAbstractionStarter]: At program point L885-4(lines 870 888) the Hoare annotation is: false [2019-10-22 09:00:02,797 INFO L439 ceAbstractionStarter]: At program point L885-5(lines 870 888) the Hoare annotation is: false [2019-10-22 09:00:02,797 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-22 09:00:02,798 INFO L443 ceAbstractionStarter]: For program point L457-3(lines 457 461) no Hoare annotation was computed. [2019-10-22 09:00:02,798 INFO L443 ceAbstractionStarter]: For program point L457-6(lines 457 461) no Hoare annotation was computed. [2019-10-22 09:00:02,798 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:02,798 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-22 09:00:02,798 INFO L439 ceAbstractionStarter]: At program point L821(lines 814 824) the Hoare annotation is: false [2019-10-22 09:00:02,798 INFO L439 ceAbstractionStarter]: At program point L821-1(lines 814 824) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:02,798 INFO L439 ceAbstractionStarter]: At program point L821-2(lines 814 824) the Hoare annotation is: false [2019-10-22 09:00:02,798 INFO L439 ceAbstractionStarter]: At program point L821-3(lines 814 824) the Hoare annotation is: false [2019-10-22 09:00:02,798 INFO L439 ceAbstractionStarter]: At program point L821-4(lines 814 824) the Hoare annotation is: false [2019-10-22 09:00:02,798 INFO L439 ceAbstractionStarter]: At program point L821-5(lines 814 824) the Hoare annotation is: false [2019-10-22 09:00:02,798 INFO L439 ceAbstractionStarter]: At program point L526(lines 521 529) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2019-10-22 09:00:02,798 INFO L439 ceAbstractionStarter]: At program point L526-1(lines 521 529) the Hoare annotation is: false [2019-10-22 09:00:02,799 INFO L439 ceAbstractionStarter]: At program point L526-2(lines 521 529) the Hoare annotation is: false [2019-10-22 09:00:02,799 INFO L439 ceAbstractionStarter]: At program point L494(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:02,799 INFO L439 ceAbstractionStarter]: At program point L494-1(lines 489 497) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:02,799 INFO L439 ceAbstractionStarter]: At program point L494-2(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:02,799 INFO L439 ceAbstractionStarter]: At program point L494-3(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:02,799 INFO L439 ceAbstractionStarter]: At program point L494-4(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:02,799 INFO L439 ceAbstractionStarter]: At program point L494-5(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:02,799 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:02,799 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2019-10-22 09:00:02,799 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-10-22 09:00:02,799 INFO L443 ceAbstractionStarter]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-10-22 09:00:02,799 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-10-22 09:00:02,799 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-22 09:00:02,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:02 BoogieIcfgContainer [2019-10-22 09:00:02,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:02,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:02,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:02,825 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:02,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:56" (3/4) ... [2019-10-22 09:00:02,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:02,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:00:02,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:00:02,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 09:00:02,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:02,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:02,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:02,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && 0 == splverifierCounter) [2019-10-22 09:00:02,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 09:00:02,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-10-22 09:00:02,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:02,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= tmp___0) && 0 == \result) && 1 <= \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter [2019-10-22 09:00:02,900 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && \result == 1) && 1 == systemActive) && tmp == 1) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:02,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4c31d7f-196e-4ed5-bf0e-fa351c0e2fec/bin/uautomizer/witness.graphml [2019-10-22 09:00:02,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:02,969 INFO L168 Benchmark]: Toolchain (without parser) took 7859.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 255.9 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:02,969 INFO L168 Benchmark]: CDTParser took 0.17 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 09:00:02,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:02,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:02,970 INFO L168 Benchmark]: Boogie Preprocessor took 50.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:02,970 INFO L168 Benchmark]: RCFGBuilder took 803.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:02,971 INFO L168 Benchmark]: TraceAbstraction took 6245.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -151.7 MB). Peak memory consumption was 224.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:02,971 INFO L168 Benchmark]: Witness Printer took 143.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:02,973 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 552.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 803.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6245.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -151.7 MB). Peak memory consumption was 224.8 MB. Max. memory is 11.5 GB. * Witness Printer took 143.33 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: 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: 521]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive && 0 == splverifierCounter) || (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((((0 == \result && \result == 1) && 1 == systemActive) && tmp == 1) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive && 0 == splverifierCounter) || (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && 0 == splverifierCounter) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive && 0 == splverifierCounter) || (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= tmp___0) && 0 == \result) && 1 <= \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 6.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 1193 SDtfs, 2005 SDslu, 2056 SDs, 0 SdLazy, 339 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=10, 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, 11 MinimizatonAttempts, 1024 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 141 NumberOfFragments, 375 HoareAnnotationTreeSize, 55 FomulaSimplifications, 211944 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 55 FomulaSimplificationsInter, 23275 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 595 ConstructedInterpolants, 0 QuantifiedInterpolants, 53807 SizeOfPredicates, 8 NumberOfNonLiveVariables, 895 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 217/225 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...