./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.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_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/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 023bd19a3cee0a73a15679923c85e228e629b6a0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:11,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:11,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:11,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:11,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:11,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:11,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:11,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:11,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:11,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:11,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:11,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:11,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:11,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:11,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:11,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:11,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:11,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:11,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:11,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:11,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:11,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:11,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:11,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:11,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:11,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:11,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:11,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:11,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:11,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:11,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:11,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:11,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:11,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:11,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:11,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:11,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:11,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:11,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:11,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:11,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:11,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:11,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:11,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:11,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:11,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:11,976 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:11,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:11,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:11,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:11,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:11,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:11,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:11,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:11,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:11,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:11,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:11,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:11,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:11,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:11,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:11,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:11,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:11,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:11,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:11,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:11,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:11,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:11,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:11,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:11,991 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_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/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 -> 023bd19a3cee0a73a15679923c85e228e629b6a0 [2019-10-22 09:00:12,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:12,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:12,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:12,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:12,043 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:12,044 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2019-10-22 09:00:12,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/data/a304eb86b/b3c1ec1ca5884479bf26b6eb1dfdf684/FLAG3dfa8e14c [2019-10-22 09:00:12,549 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:12,550 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2019-10-22 09:00:12,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/data/a304eb86b/b3c1ec1ca5884479bf26b6eb1dfdf684/FLAG3dfa8e14c [2019-10-22 09:00:12,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/data/a304eb86b/b3c1ec1ca5884479bf26b6eb1dfdf684 [2019-10-22 09:00:12,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:12,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:12,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:12,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:12,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:12,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73308f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12, skipping insertion in model container [2019-10-22 09:00:12,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,882 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:12,929 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:13,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:13,376 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:13,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:13,495 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:13,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13 WrapperNode [2019-10-22 09:00:13,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:13,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:13,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:13,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:13,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:13,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:13,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:13,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:13,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... [2019-10-22 09:00:13,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:13,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:13,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:13,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:13,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:14,429 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:14,429 INFO L284 CfgBuilder]: Removed 172 assume(true) statements. [2019-10-22 09:00:14,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:14 BoogieIcfgContainer [2019-10-22 09:00:14,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:14,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:14,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:14,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:14,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:12" (1/3) ... [2019-10-22 09:00:14,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568090aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:14, skipping insertion in model container [2019-10-22 09:00:14,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:13" (2/3) ... [2019-10-22 09:00:14,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568090aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:14, skipping insertion in model container [2019-10-22 09:00:14,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:14" (3/3) ... [2019-10-22 09:00:14,439 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2019-10-22 09:00:14,449 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:14,456 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:00:14,469 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:00:14,505 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:14,505 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:14,505 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:14,505 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:14,506 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:14,506 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:14,506 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:14,506 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-10-22 09:00:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:00:14,539 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:14,540 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:14,542 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:14,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:14,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1109177434, now seen corresponding path program 1 times [2019-10-22 09:00:14,558 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:14,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861584661] [2019-10-22 09:00:14,559 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,559 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:14,798 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861584661] [2019-10-22 09:00:14,799 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:14,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:14,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253596914] [2019-10-22 09:00:14,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:14,803 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:14,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:14,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:14,817 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-10-22 09:00:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:14,846 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2019-10-22 09:00:14,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:14,847 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 09:00:14,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:14,857 INFO L225 Difference]: With dead ends: 233 [2019-10-22 09:00:14,857 INFO L226 Difference]: Without dead ends: 116 [2019-10-22 09:00:14,860 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:14,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-22 09:00:14,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-10-22 09:00:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-22 09:00:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2019-10-22 09:00:14,904 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2019-10-22 09:00:14,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:14,905 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2019-10-22 09:00:14,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2019-10-22 09:00:14,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 09:00:14,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:14,906 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:14,906 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:14,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:14,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1379770309, now seen corresponding path program 1 times [2019-10-22 09:00:14,907 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:14,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051140457] [2019-10-22 09:00:14,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:14,984 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051140457] [2019-10-22 09:00:14,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:14,984 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:14,984 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825080508] [2019-10-22 09:00:14,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:14,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:14,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:14,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:14,986 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2019-10-22 09:00:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:14,999 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2019-10-22 09:00:15,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:15,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 09:00:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:15,001 INFO L225 Difference]: With dead ends: 116 [2019-10-22 09:00:15,001 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 09:00:15,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:15,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 09:00:15,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 09:00:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 09:00:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-10-22 09:00:15,009 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2019-10-22 09:00:15,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:15,009 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-10-22 09:00:15,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-10-22 09:00:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:00:15,013 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:15,013 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:15,013 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:15,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:15,014 INFO L82 PathProgramCache]: Analyzing trace with hash 872222713, now seen corresponding path program 1 times [2019-10-22 09:00:15,014 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:15,014 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530973714] [2019-10-22 09:00:15,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:15,110 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530973714] [2019-10-22 09:00:15,110 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:15,110 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:15,110 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527343656] [2019-10-22 09:00:15,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:15,111 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:15,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:15,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:15,111 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 5 states. [2019-10-22 09:00:15,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:15,175 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2019-10-22 09:00:15,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:15,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 09:00:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:15,180 INFO L225 Difference]: With dead ends: 91 [2019-10-22 09:00:15,180 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 09:00:15,181 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 09:00:15,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 09:00:15,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 09:00:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 09:00:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2019-10-22 09:00:15,186 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2019-10-22 09:00:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:15,187 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2019-10-22 09:00:15,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2019-10-22 09:00:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 09:00:15,188 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:15,188 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] [2019-10-22 09:00:15,188 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:15,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:15,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1991893424, now seen corresponding path program 1 times [2019-10-22 09:00:15,188 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:15,189 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552741029] [2019-10-22 09:00:15,189 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,189 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:15,246 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552741029] [2019-10-22 09:00:15,246 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:15,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:15,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067212456] [2019-10-22 09:00:15,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:15,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:15,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:15,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:15,248 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2019-10-22 09:00:15,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:15,325 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2019-10-22 09:00:15,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:15,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-22 09:00:15,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:15,327 INFO L225 Difference]: With dead ends: 115 [2019-10-22 09:00:15,327 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 09:00:15,328 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 09:00:15,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 09:00:15,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2019-10-22 09:00:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 09:00:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-10-22 09:00:15,342 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2019-10-22 09:00:15,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:15,343 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-10-22 09:00:15,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:15,343 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-10-22 09:00:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:15,344 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:15,344 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:15,344 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:15,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:15,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1071015423, now seen corresponding path program 1 times [2019-10-22 09:00:15,344 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:15,345 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966606013] [2019-10-22 09:00:15,345 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,345 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:15,485 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966606013] [2019-10-22 09:00:15,485 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:15,485 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:15,485 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121021623] [2019-10-22 09:00:15,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:15,488 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:15,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:15,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:15,488 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2019-10-22 09:00:15,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:15,602 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2019-10-22 09:00:15,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:15,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 09:00:15,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:15,604 INFO L225 Difference]: With dead ends: 190 [2019-10-22 09:00:15,605 INFO L226 Difference]: Without dead ends: 126 [2019-10-22 09:00:15,605 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 09:00:15,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-22 09:00:15,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2019-10-22 09:00:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 09:00:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2019-10-22 09:00:15,624 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2019-10-22 09:00:15,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:15,625 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2019-10-22 09:00:15,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2019-10-22 09:00:15,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:15,626 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:15,627 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:15,627 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:15,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:15,627 INFO L82 PathProgramCache]: Analyzing trace with hash 2004479132, now seen corresponding path program 1 times [2019-10-22 09:00:15,628 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:15,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84017729] [2019-10-22 09:00:15,628 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,628 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:15,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84017729] [2019-10-22 09:00:15,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:15,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:15,735 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717784971] [2019-10-22 09:00:15,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:15,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:15,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:15,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:15,736 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2019-10-22 09:00:15,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:15,879 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2019-10-22 09:00:15,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:15,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 09:00:15,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:15,881 INFO L225 Difference]: With dead ends: 260 [2019-10-22 09:00:15,881 INFO L226 Difference]: Without dead ends: 190 [2019-10-22 09:00:15,882 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 09:00:15,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-10-22 09:00:15,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-10-22 09:00:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 09:00:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2019-10-22 09:00:15,894 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2019-10-22 09:00:15,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:15,895 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2019-10-22 09:00:15,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2019-10-22 09:00:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:15,896 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:15,896 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:15,896 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:15,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:15,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1772080001, now seen corresponding path program 1 times [2019-10-22 09:00:15,897 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:15,897 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307099083] [2019-10-22 09:00:15,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:15,970 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307099083] [2019-10-22 09:00:15,970 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:15,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:15,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063328442] [2019-10-22 09:00:15,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:15,971 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:15,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:15,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:15,972 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 4 states. [2019-10-22 09:00:16,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:16,024 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2019-10-22 09:00:16,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:16,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 09:00:16,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:16,025 INFO L225 Difference]: With dead ends: 177 [2019-10-22 09:00:16,026 INFO L226 Difference]: Without dead ends: 108 [2019-10-22 09:00:16,026 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 09:00:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-22 09:00:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2019-10-22 09:00:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-22 09:00:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2019-10-22 09:00:16,045 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2019-10-22 09:00:16,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:16,045 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2019-10-22 09:00:16,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2019-10-22 09:00:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:16,046 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:16,047 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:16,047 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:16,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:16,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1185273987, now seen corresponding path program 1 times [2019-10-22 09:00:16,048 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:16,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031828834] [2019-10-22 09:00:16,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:16,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:16,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:16,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031828834] [2019-10-22 09:00:16,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:16,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:16,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945491531] [2019-10-22 09:00:16,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:16,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:16,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:16,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:16,109 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2019-10-22 09:00:16,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:16,140 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2019-10-22 09:00:16,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:16,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 09:00:16,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:16,143 INFO L225 Difference]: With dead ends: 181 [2019-10-22 09:00:16,143 INFO L226 Difference]: Without dead ends: 108 [2019-10-22 09:00:16,143 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:16,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-22 09:00:16,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-22 09:00:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 09:00:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2019-10-22 09:00:16,157 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2019-10-22 09:00:16,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:16,158 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2019-10-22 09:00:16,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2019-10-22 09:00:16,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 09:00:16,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:16,159 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:16,159 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:16,160 INFO L82 PathProgramCache]: Analyzing trace with hash -210672189, now seen corresponding path program 1 times [2019-10-22 09:00:16,160 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:16,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749609111] [2019-10-22 09:00:16,160 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:16,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:16,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:16,257 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749609111] [2019-10-22 09:00:16,257 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:16,257 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:00:16,257 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963069912] [2019-10-22 09:00:16,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:16,258 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:16,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:16,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:16,258 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 6 states. [2019-10-22 09:00:16,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:16,493 INFO L93 Difference]: Finished difference Result 405 states and 539 transitions. [2019-10-22 09:00:16,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:16,494 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 09:00:16,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:16,495 INFO L225 Difference]: With dead ends: 405 [2019-10-22 09:00:16,495 INFO L226 Difference]: Without dead ends: 332 [2019-10-22 09:00:16,496 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:00:16,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-10-22 09:00:16,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 153. [2019-10-22 09:00:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-22 09:00:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 196 transitions. [2019-10-22 09:00:16,521 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 196 transitions. Word has length 35 [2019-10-22 09:00:16,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:16,521 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 196 transitions. [2019-10-22 09:00:16,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 196 transitions. [2019-10-22 09:00:16,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 09:00:16,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:16,523 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:16,523 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:16,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:16,524 INFO L82 PathProgramCache]: Analyzing trace with hash 681323361, now seen corresponding path program 1 times [2019-10-22 09:00:16,524 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:16,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742829529] [2019-10-22 09:00:16,524 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:16,524 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:16,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:16,594 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742829529] [2019-10-22 09:00:16,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715928003] [2019-10-22 09:00:16,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/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 09:00:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:16,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 09:00:16,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:16,828 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:16,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-22 09:00:16,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151082359] [2019-10-22 09:00:16,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:16,829 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:16,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:16,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:16,830 INFO L87 Difference]: Start difference. First operand 153 states and 196 transitions. Second operand 8 states. [2019-10-22 09:00:16,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:16,979 INFO L93 Difference]: Finished difference Result 308 states and 411 transitions. [2019-10-22 09:00:16,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:16,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-10-22 09:00:16,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:16,980 INFO L225 Difference]: With dead ends: 308 [2019-10-22 09:00:16,980 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:16,981 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:00:16,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:16,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:16,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-22 09:00:16,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:16,982 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:16,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:16,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:17,184 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:17,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:17,672 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-10-22 09:00:17,867 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2019-10-22 09:00:18,160 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-22 09:00:18,446 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-10-22 09:00:18,639 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2019-10-22 09:00:18,785 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2019-10-22 09:00:19,020 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-10-22 09:00:19,334 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-10-22 09:00:19,532 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-22 09:00:19,584 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2019-10-22 09:00:19,584 INFO L439 ceAbstractionStarter]: At program point L927-1(lines 927 933) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse2 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse5 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4)))) [2019-10-22 09:00:19,584 INFO L439 ceAbstractionStarter]: At program point L664(lines 655 668) the Hoare annotation is: false [2019-10-22 09:00:19,584 INFO L439 ceAbstractionStarter]: At program point L664-1(lines 655 668) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-10-22 09:00:19,584 INFO L439 ceAbstractionStarter]: At program point L664-2(lines 655 668) the Hoare annotation is: false [2019-10-22 09:00:19,584 INFO L439 ceAbstractionStarter]: At program point L664-3(lines 655 668) the Hoare annotation is: false [2019-10-22 09:00:19,584 INFO L439 ceAbstractionStarter]: At program point L664-4(lines 655 668) the Hoare annotation is: false [2019-10-22 09:00:19,585 INFO L439 ceAbstractionStarter]: At program point L664-5(lines 655 668) the Hoare annotation is: false [2019-10-22 09:00:19,585 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:00:19,585 INFO L439 ceAbstractionStarter]: At program point L173(lines 683 689) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4))) [2019-10-22 09:00:19,585 INFO L439 ceAbstractionStarter]: At program point L173-1(lines 683 689) the Hoare annotation is: false [2019-10-22 09:00:19,585 INFO L439 ceAbstractionStarter]: At program point L173-2(lines 683 689) the Hoare annotation is: false [2019-10-22 09:00:19,585 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-10-22 09:00:19,585 INFO L446 ceAbstractionStarter]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2019-10-22 09:00:19,585 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 09:00:19,586 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 09:00:19,586 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 09:00:19,586 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-10-22 09:00:19,586 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 950) no Hoare annotation was computed. [2019-10-22 09:00:19,586 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:00:19,586 INFO L439 ceAbstractionStarter]: At program point L112(lines 108 114) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:00:19,586 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 758) no Hoare annotation was computed. [2019-10-22 09:00:19,586 INFO L443 ceAbstractionStarter]: For program point L741-1(lines 741 758) no Hoare annotation was computed. [2019-10-22 09:00:19,586 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 758) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point L908(lines 907 954) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point L843-3(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point L843-5(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point L843-6(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,587 INFO L443 ceAbstractionStarter]: For program point L843-8(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L843-9(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L843-11(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L843-12(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L843-14(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L843-15(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L843-17(lines 843 847) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L446 ceAbstractionStarter]: At program point L150(lines 131 153) the Hoare annotation is: true [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 753) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L745-1(lines 745 753) no Hoare annotation was computed. [2019-10-22 09:00:19,588 INFO L443 ceAbstractionStarter]: For program point L745-2(lines 745 753) no Hoare annotation was computed. [2019-10-22 09:00:19,589 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-10-22 09:00:19,589 INFO L439 ceAbstractionStarter]: At program point L184-1(lines 1 962) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1) .cse5 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1 2)) (and .cse1 (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse4 .cse5)) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2019-10-22 09:00:19,589 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2019-10-22 09:00:19,589 INFO L439 ceAbstractionStarter]: At program point L184-3(lines 1 962) the Hoare annotation is: false [2019-10-22 09:00:19,589 INFO L443 ceAbstractionStarter]: For program point L184-4(lines 184 201) no Hoare annotation was computed. [2019-10-22 09:00:19,589 INFO L439 ceAbstractionStarter]: At program point L184-5(lines 1 962) the Hoare annotation is: false [2019-10-22 09:00:19,589 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:19,589 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2019-10-22 09:00:19,590 INFO L439 ceAbstractionStarter]: At program point L945-2(lines 945 949) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse2 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse5 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4)))) [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 586) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 582 586) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L582-6(lines 582 586) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 732) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 715 732) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L715-2(lines 715 732) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L715-3(lines 715 732) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L715-4(lines 715 732) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L443 ceAbstractionStarter]: For program point L715-5(lines 715 732) no Hoare annotation was computed. [2019-10-22 09:00:19,591 INFO L439 ceAbstractionStarter]: At program point L683(lines 679 701) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse1 .cse0 .cse2 .cse3 .cse4) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2019-10-22 09:00:19,592 INFO L439 ceAbstractionStarter]: At program point L683-1(lines 679 701) the Hoare annotation is: false [2019-10-22 09:00:19,592 INFO L439 ceAbstractionStarter]: At program point L683-2(lines 679 701) the Hoare annotation is: false [2019-10-22 09:00:19,592 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 198) no Hoare annotation was computed. [2019-10-22 09:00:19,592 INFO L443 ceAbstractionStarter]: For program point L188-2(lines 188 198) no Hoare annotation was computed. [2019-10-22 09:00:19,592 INFO L443 ceAbstractionStarter]: For program point L188-4(lines 188 198) no Hoare annotation was computed. [2019-10-22 09:00:19,592 INFO L439 ceAbstractionStarter]: At program point L849(lines 834 852) the Hoare annotation is: false [2019-10-22 09:00:19,592 INFO L439 ceAbstractionStarter]: At program point L849-1(lines 834 852) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-10-22 09:00:19,592 INFO L439 ceAbstractionStarter]: At program point L849-2(lines 834 852) the Hoare annotation is: false [2019-10-22 09:00:19,593 INFO L439 ceAbstractionStarter]: At program point L849-3(lines 834 852) the Hoare annotation is: false [2019-10-22 09:00:19,593 INFO L439 ceAbstractionStarter]: At program point L849-4(lines 834 852) the Hoare annotation is: false [2019-10-22 09:00:19,593 INFO L439 ceAbstractionStarter]: At program point L849-5(lines 834 852) the Hoare annotation is: false [2019-10-22 09:00:19,593 INFO L439 ceAbstractionStarter]: At program point L651(lines 646 654) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0 .cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse0 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4))) [2019-10-22 09:00:19,593 INFO L439 ceAbstractionStarter]: At program point L651-1(lines 646 654) the Hoare annotation is: false [2019-10-22 09:00:19,593 INFO L439 ceAbstractionStarter]: At program point L651-2(lines 646 654) the Hoare annotation is: false [2019-10-22 09:00:19,593 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 195) no Hoare annotation was computed. [2019-10-22 09:00:19,593 INFO L443 ceAbstractionStarter]: For program point L189-2(lines 189 195) no Hoare annotation was computed. [2019-10-22 09:00:19,594 INFO L443 ceAbstractionStarter]: For program point L189-4(lines 189 195) no Hoare annotation was computed. [2019-10-22 09:00:19,594 INFO L439 ceAbstractionStarter]: At program point L619(lines 614 622) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= |ULTIMATE.start_valid_product_#res| 1) (<= ~waterLevel~0 2) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:19,594 INFO L439 ceAbstractionStarter]: At program point L619-1(lines 614 622) the Hoare annotation is: false [2019-10-22 09:00:19,594 INFO L439 ceAbstractionStarter]: At program point L619-2(lines 614 622) the Hoare annotation is: false [2019-10-22 09:00:19,595 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:19,595 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 923) no Hoare annotation was computed. [2019-10-22 09:00:19,595 INFO L439 ceAbstractionStarter]: At program point L884(lines 1 962) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:00:19,595 INFO L439 ceAbstractionStarter]: At program point L917-1(lines 917 923) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse2 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse5 (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4)))) [2019-10-22 09:00:19,595 INFO L439 ceAbstractionStarter]: At program point L785(lines 778 788) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= |ULTIMATE.start_valid_product_#res| 1) (<= ~waterLevel~0 2) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:19,595 INFO L439 ceAbstractionStarter]: At program point L785-1(lines 778 788) the Hoare annotation is: false [2019-10-22 09:00:19,595 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 727) no Hoare annotation was computed. [2019-10-22 09:00:19,595 INFO L439 ceAbstractionStarter]: At program point L785-2(lines 778 788) the Hoare annotation is: false [2019-10-22 09:00:19,596 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 727) no Hoare annotation was computed. [2019-10-22 09:00:19,596 INFO L443 ceAbstractionStarter]: For program point L719-2(lines 719 727) no Hoare annotation was computed. [2019-10-22 09:00:19,596 INFO L443 ceAbstractionStarter]: For program point L719-3(lines 719 727) no Hoare annotation was computed. [2019-10-22 09:00:19,596 INFO L443 ceAbstractionStarter]: For program point L719-4(lines 719 727) no Hoare annotation was computed. [2019-10-22 09:00:19,596 INFO L443 ceAbstractionStarter]: For program point L719-5(lines 719 727) no Hoare annotation was computed. [2019-10-22 09:00:19,596 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:19,596 INFO L439 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: false [2019-10-22 09:00:19,596 INFO L443 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2019-10-22 09:00:19,596 INFO L439 ceAbstractionStarter]: At program point L690(lines 690 696) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and (= 1 ~switchedOnBeforeTS~0) .cse5 (and .cse1 .cse0 .cse2 .cse3 .cse4) (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4) .cse5))) [2019-10-22 09:00:19,596 INFO L439 ceAbstractionStarter]: At program point L690-1(lines 690 696) the Hoare annotation is: false [2019-10-22 09:00:19,597 INFO L439 ceAbstractionStarter]: At program point L690-2(lines 690 696) the Hoare annotation is: false [2019-10-22 09:00:19,597 INFO L439 ceAbstractionStarter]: At program point L955(lines 906 956) the Hoare annotation is: false [2019-10-22 09:00:19,597 INFO L439 ceAbstractionStarter]: At program point L163(lines 158 165) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:00:19,597 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 665) no Hoare annotation was computed. [2019-10-22 09:00:19,597 INFO L443 ceAbstractionStarter]: For program point L659-1(lines 659 665) no Hoare annotation was computed. [2019-10-22 09:00:19,597 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 665) no Hoare annotation was computed. [2019-10-22 09:00:19,597 INFO L443 ceAbstractionStarter]: For program point L659-3(lines 659 665) no Hoare annotation was computed. [2019-10-22 09:00:19,597 INFO L443 ceAbstractionStarter]: For program point L659-4(lines 659 665) no Hoare annotation was computed. [2019-10-22 09:00:19,597 INFO L443 ceAbstractionStarter]: For program point L659-5(lines 659 665) no Hoare annotation was computed. [2019-10-22 09:00:19,598 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 09:00:19,598 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-10-22 09:00:19,598 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:19,598 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-10-22 09:00:19,599 INFO L439 ceAbstractionStarter]: At program point L892(lines 887 895) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:00:19,599 INFO L439 ceAbstractionStarter]: At program point L794(lines 789 797) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6)) (and .cse3 (and .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 (= ~pumpRunning~0 0) .cse5 .cse6)) (and (= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse4 .cse0 .cse1 .cse5 .cse6))) [2019-10-22 09:00:19,599 INFO L439 ceAbstractionStarter]: At program point L794-1(lines 789 797) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse1 (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-10-22 09:00:19,599 INFO L439 ceAbstractionStarter]: At program point L794-2(lines 789 797) the Hoare annotation is: false [2019-10-22 09:00:19,599 INFO L439 ceAbstractionStarter]: At program point L794-3(lines 789 797) the Hoare annotation is: false [2019-10-22 09:00:19,599 INFO L439 ceAbstractionStarter]: At program point L794-4(lines 789 797) the Hoare annotation is: false [2019-10-22 09:00:19,599 INFO L439 ceAbstractionStarter]: At program point L794-5(lines 789 797) the Hoare annotation is: false [2019-10-22 09:00:19,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:19 BoogieIcfgContainer [2019-10-22 09:00:19,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:19,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:19,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:19,624 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:19,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:14" (3/4) ... [2019-10-22 09:00:19,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:19,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:00:19,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:00:19,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 09:00:19,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:19,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:19,646 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:19,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 09:00:19,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 09:00:19,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 09:00:19,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) || (waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 1 && \result == 1) && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) || (waterLevel <= 2 && ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (((\result == 1 && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) [2019-10-22 09:00:19,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && (((\result == 1 && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && \result == 1)) || ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) [2019-10-22 09:00:19,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:00:19,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:00:19,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && \result == 1) && 0 == tmp___0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 09:00:19,736 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d566d474-98c2-43dc-ba0b-9a04c02ad0f9/bin/uautomizer/witness.graphml [2019-10-22 09:00:19,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:19,738 INFO L168 Benchmark]: Toolchain (without parser) took 6873.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -261.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:19,738 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:19,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:19,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:19,739 INFO L168 Benchmark]: Boogie Preprocessor took 52.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:19,739 INFO L168 Benchmark]: RCFGBuilder took 811.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:19,739 INFO L168 Benchmark]: TraceAbstraction took 5192.38 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -210.5 MB). Peak memory consumption was 352.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:19,739 INFO L168 Benchmark]: Witness Printer took 112.56 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:19,741 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 625.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 811.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5192.38 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -210.5 MB). Peak memory consumption was 352.5 MB. Max. memory is 11.5 GB. * Witness Printer took 112.56 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: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (((\result == 1 && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && \result == 0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && 2 <= waterLevel) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((((0 == \result && \result == 1) && 0 == tmp___0) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && \result == 1) && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) || (waterLevel <= 2 && ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) || (waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && (((\result == 1 && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && \result == 1)) || ((((((\result == 1 && 2 <= waterLevel) && waterLevel <= 2) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && \result == 1) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, HoareTripleCheckerStatistics: 991 SDtfs, 1219 SDslu, 1183 SDs, 0 SdLazy, 224 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 372 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 131 NumberOfFragments, 919 HoareAnnotationTreeSize, 50 FomulaSimplifications, 38753 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 50 FomulaSimplificationsInter, 10644 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 27239 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...