./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/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 ae55322c9e2147e3768d03287d4758f350a7d088 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:53:44,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:44,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:44,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:44,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:44,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:44,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:44,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:44,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:44,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:44,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:44,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:44,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:44,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:44,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:44,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:44,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:44,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:44,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:44,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:44,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:44,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:44,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:44,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:44,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:44,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:44,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:44,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:44,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:44,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:44,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:44,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:44,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:44,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:44,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:44,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:44,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:44,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:44,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:44,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:44,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:44,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:53:44,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:44,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:44,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:44,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:44,142 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:44,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:44,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:44,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:44,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:44,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:44,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:53:44,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:53:44,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:53:44,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:44,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:44,147 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:44,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:53:44,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:44,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:44,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:53:44,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:53:44,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:53:44,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:44,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:53:44,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:53:44,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:44,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:53:44,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:53:44,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2019-11-25 08:53:44,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:44,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:44,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:44,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:44,337 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:44,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2019-11-25 08:53:44,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/data/88043b4f7/fd360acd69b9471486ddec5fa9942922/FLAG24c0da234 [2019-11-25 08:53:44,795 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:44,796 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2019-11-25 08:53:44,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/data/88043b4f7/fd360acd69b9471486ddec5fa9942922/FLAG24c0da234 [2019-11-25 08:53:45,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/data/88043b4f7/fd360acd69b9471486ddec5fa9942922 [2019-11-25 08:53:45,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:45,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:45,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:45,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:45,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:45,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edd3c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45, skipping insertion in model container [2019-11-25 08:53:45,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:45,195 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:45,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:45,564 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:45,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:45,667 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:45,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45 WrapperNode [2019-11-25 08:53:45,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:45,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:45,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:45,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:45,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:45,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:45,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:45,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:45,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... [2019-11-25 08:53:45,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:45,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:45,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:45,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:45,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:53:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:53:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:53:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:46,562 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:46,563 INFO L284 CfgBuilder]: Removed 112 assume(true) statements. [2019-11-25 08:53:46,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:46 BoogieIcfgContainer [2019-11-25 08:53:46,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:46,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:53:46,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:53:46,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:53:46,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:53:45" (1/3) ... [2019-11-25 08:53:46,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4098b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:46, skipping insertion in model container [2019-11-25 08:53:46,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:45" (2/3) ... [2019-11-25 08:53:46,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4098b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:46, skipping insertion in model container [2019-11-25 08:53:46,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:46" (3/3) ... [2019-11-25 08:53:46,570 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2019-11-25 08:53:46,579 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:53:46,585 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:53:46,594 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:53:46,616 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:53:46,616 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:53:46,616 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:53:46,616 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:46,616 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:46,616 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:53:46,616 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:46,617 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:53:46,639 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-11-25 08:53:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:53:46,648 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:46,648 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:46,649 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:46,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:46,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2019-11-25 08:53:46,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:46,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034506247] [2019-11-25 08:53:46,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:46,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034506247] [2019-11-25 08:53:46,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:46,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:46,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445222101] [2019-11-25 08:53:46,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:53:46,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:46,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:53:46,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:53:46,924 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2019-11-25 08:53:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:46,948 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2019-11-25 08:53:46,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:53:46,950 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-25 08:53:46,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:46,960 INFO L225 Difference]: With dead ends: 167 [2019-11-25 08:53:46,960 INFO L226 Difference]: Without dead ends: 83 [2019-11-25 08:53:46,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:53:46,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-25 08:53:46,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-11-25 08:53:46,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-25 08:53:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2019-11-25 08:53:47,002 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2019-11-25 08:53:47,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:47,002 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2019-11-25 08:53:47,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:53:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-11-25 08:53:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:53:47,003 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:47,004 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,004 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:47,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,004 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2019-11-25 08:53:47,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669812063] [2019-11-25 08:53:47,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:47,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669812063] [2019-11-25 08:53:47,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:53:47,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134258963] [2019-11-25 08:53:47,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:47,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:47,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:47,139 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2019-11-25 08:53:47,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,149 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2019-11-25 08:53:47,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:47,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-25 08:53:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:47,151 INFO L225 Difference]: With dead ends: 83 [2019-11-25 08:53:47,151 INFO L226 Difference]: Without dead ends: 38 [2019-11-25 08:53:47,152 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:47,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-25 08:53:47,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-25 08:53:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-25 08:53:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2019-11-25 08:53:47,157 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2019-11-25 08:53:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:47,158 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-11-25 08:53:47,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:47,158 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2019-11-25 08:53:47,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:53:47,159 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:47,159 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,160 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:47,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2019-11-25 08:53:47,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982627895] [2019-11-25 08:53:47,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:47,270 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982627895] [2019-11-25 08:53:47,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:47,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868501057] [2019-11-25 08:53:47,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:47,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:47,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:47,272 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 5 states. [2019-11-25 08:53:47,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,347 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2019-11-25 08:53:47,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:53:47,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-25 08:53:47,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:47,350 INFO L225 Difference]: With dead ends: 69 [2019-11-25 08:53:47,353 INFO L226 Difference]: Without dead ends: 38 [2019-11-25 08:53:47,354 INFO L630 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 [2019-11-25 08:53:47,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-25 08:53:47,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-25 08:53:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-25 08:53:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2019-11-25 08:53:47,366 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2019-11-25 08:53:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:47,367 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2019-11-25 08:53:47,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2019-11-25 08:53:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-25 08:53:47,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:47,369 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,370 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:47,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2019-11-25 08:53:47,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810371849] [2019-11-25 08:53:47,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:47,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810371849] [2019-11-25 08:53:47,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:47,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46201852] [2019-11-25 08:53:47,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:47,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:47,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:47,475 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2019-11-25 08:53:47,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,509 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2019-11-25 08:53:47,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:47,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-25 08:53:47,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:47,511 INFO L225 Difference]: With dead ends: 93 [2019-11-25 08:53:47,511 INFO L226 Difference]: Without dead ends: 62 [2019-11-25 08:53:47,512 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:47,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-25 08:53:47,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-11-25 08:53:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-25 08:53:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-11-25 08:53:47,520 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2019-11-25 08:53:47,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:47,520 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-11-25 08:53:47,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-11-25 08:53:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:47,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:47,521 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,522 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:47,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2019-11-25 08:53:47,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545259152] [2019-11-25 08:53:47,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:47,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545259152] [2019-11-25 08:53:47,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:47,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144832398] [2019-11-25 08:53:47,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:47,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:47,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:47,589 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2019-11-25 08:53:47,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,638 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2019-11-25 08:53:47,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:53:47,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:53:47,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:47,640 INFO L225 Difference]: With dead ends: 157 [2019-11-25 08:53:47,640 INFO L226 Difference]: Without dead ends: 104 [2019-11-25 08:53:47,641 INFO L630 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 [2019-11-25 08:53:47,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-25 08:53:47,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2019-11-25 08:53:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-25 08:53:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2019-11-25 08:53:47,651 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2019-11-25 08:53:47,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:47,651 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2019-11-25 08:53:47,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2019-11-25 08:53:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:47,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:47,653 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,653 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:47,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2019-11-25 08:53:47,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647770737] [2019-11-25 08:53:47,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:47,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647770737] [2019-11-25 08:53:47,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:53:47,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500689103] [2019-11-25 08:53:47,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:47,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:47,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:47,733 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2019-11-25 08:53:47,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,877 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2019-11-25 08:53:47,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:53:47,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:53:47,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:47,880 INFO L225 Difference]: With dead ends: 216 [2019-11-25 08:53:47,880 INFO L226 Difference]: Without dead ends: 160 [2019-11-25 08:53:47,881 INFO L630 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 [2019-11-25 08:53:47,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-25 08:53:47,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-11-25 08:53:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-25 08:53:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2019-11-25 08:53:47,897 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2019-11-25 08:53:47,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:47,898 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2019-11-25 08:53:47,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2019-11-25 08:53:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:47,899 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:47,899 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:47,900 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:47,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:47,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2019-11-25 08:53:47,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:47,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019071401] [2019-11-25 08:53:47,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:47,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019071401] [2019-11-25 08:53:47,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:47,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:53:47,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953262060] [2019-11-25 08:53:47,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:53:47,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:47,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:53:47,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:53:47,955 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 4 states. [2019-11-25 08:53:47,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:47,988 INFO L93 Difference]: Finished difference Result 143 states and 193 transitions. [2019-11-25 08:53:47,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:53:47,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-25 08:53:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:47,990 INFO L225 Difference]: With dead ends: 143 [2019-11-25 08:53:47,990 INFO L226 Difference]: Without dead ends: 88 [2019-11-25 08:53:47,991 INFO L630 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 [2019-11-25 08:53:47,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-25 08:53:47,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 64. [2019-11-25 08:53:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-25 08:53:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2019-11-25 08:53:48,001 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2019-11-25 08:53:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:48,001 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2019-11-25 08:53:48,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:53:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-11-25 08:53:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:48,003 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:48,003 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:48,003 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:48,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:48,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2019-11-25 08:53:48,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:48,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256963123] [2019-11-25 08:53:48,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:48,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256963123] [2019-11-25 08:53:48,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:48,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:48,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439433022] [2019-11-25 08:53:48,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:48,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:48,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:48,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:48,064 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2019-11-25 08:53:48,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:48,089 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2019-11-25 08:53:48,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:48,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-25 08:53:48,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:48,090 INFO L225 Difference]: With dead ends: 148 [2019-11-25 08:53:48,091 INFO L226 Difference]: Without dead ends: 91 [2019-11-25 08:53:48,091 INFO L630 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 [2019-11-25 08:53:48,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-25 08:53:48,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-11-25 08:53:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-25 08:53:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2019-11-25 08:53:48,104 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2019-11-25 08:53:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:48,105 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2019-11-25 08:53:48,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2019-11-25 08:53:48,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:53:48,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:48,107 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:48,107 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:48,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:48,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2019-11-25 08:53:48,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:48,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533540502] [2019-11-25 08:53:48,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:48,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533540502] [2019-11-25 08:53:48,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:48,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:53:48,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399267507] [2019-11-25 08:53:48,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:53:48,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:48,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:53:48,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:53:48,205 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2019-11-25 08:53:48,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:48,465 INFO L93 Difference]: Finished difference Result 327 states and 441 transitions. [2019-11-25 08:53:48,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:53:48,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-25 08:53:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:48,467 INFO L225 Difference]: With dead ends: 327 [2019-11-25 08:53:48,467 INFO L226 Difference]: Without dead ends: 270 [2019-11-25 08:53:48,468 INFO L630 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 [2019-11-25 08:53:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-11-25 08:53:48,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 132. [2019-11-25 08:53:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-25 08:53:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2019-11-25 08:53:48,495 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 34 [2019-11-25 08:53:48,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:48,495 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2019-11-25 08:53:48,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:53:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2019-11-25 08:53:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-25 08:53:48,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:48,498 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:48,499 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:48,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:48,499 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2019-11-25 08:53:48,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:48,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190560695] [2019-11-25 08:53:48,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:48,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190560695] [2019-11-25 08:53:48,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579478466] [2019-11-25 08:53:48,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/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 [2019-11-25 08:53:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:48,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:53:48,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:48,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:53:48,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-25 08:53:48,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593253556] [2019-11-25 08:53:48,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-25 08:53:48,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:48,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 08:53:48,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:53:48,807 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand 10 states. [2019-11-25 08:53:49,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:49,033 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2019-11-25 08:53:49,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:53:49,033 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-11-25 08:53:49,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:49,034 INFO L225 Difference]: With dead ends: 236 [2019-11-25 08:53:49,034 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:53:49,034 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-11-25 08:53:49,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:53:49,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:53:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:53:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:53:49,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-25 08:53:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:49,035 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:49,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-25 08:53:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:53:49,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:53:49,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:49,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:53:49,704 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 22 [2019-11-25 08:53:49,854 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-11-25 08:53:50,125 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2019-11-25 08:53:50,288 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2019-11-25 08:53:50,498 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2019-11-25 08:53:50,692 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2019-11-25 08:53:50,841 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-11-25 08:53:51,036 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2019-11-25 08:53:51,162 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-25 08:53:51,268 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2019-11-25 08:53:51,431 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-11-25 08:53:51,444 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-25 08:53:51,444 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-11-25 08:53:51,444 INFO L440 ceAbstractionStarter]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse3 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2019-11-25 08:53:51,444 INFO L440 ceAbstractionStarter]: At program point L647-1(lines 647 653) the Hoare annotation is: false [2019-11-25 08:53:51,444 INFO L440 ceAbstractionStarter]: At program point L647-2(lines 647 653) the Hoare annotation is: false [2019-11-25 08:53:51,444 INFO L440 ceAbstractionStarter]: At program point L548(lines 539 552) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2019-11-25 08:53:51,445 INFO L440 ceAbstractionStarter]: At program point L548-1(lines 539 552) the Hoare annotation is: false [2019-11-25 08:53:51,445 INFO L440 ceAbstractionStarter]: At program point L548-2(lines 539 552) the Hoare annotation is: false [2019-11-25 08:53:51,445 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:53:51,445 INFO L444 ceAbstractionStarter]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-11-25 08:53:51,445 INFO L444 ceAbstractionStarter]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2019-11-25 08:53:51,445 INFO L440 ceAbstractionStarter]: At program point L780(lines 765 783) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2019-11-25 08:53:51,445 INFO L444 ceAbstractionStarter]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2019-11-25 08:53:51,445 INFO L440 ceAbstractionStarter]: At program point L780-1(lines 765 783) the Hoare annotation is: false [2019-11-25 08:53:51,445 INFO L440 ceAbstractionStarter]: At program point L780-2(lines 765 783) the Hoare annotation is: false [2019-11-25 08:53:51,445 INFO L440 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: false [2019-11-25 08:53:51,446 INFO L440 ceAbstractionStarter]: At program point L799(lines 794 801) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-25 08:53:51,446 INFO L444 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-11-25 08:53:51,446 INFO L440 ceAbstractionStarter]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse3 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse4 .cse5))) [2019-11-25 08:53:51,446 INFO L440 ceAbstractionStarter]: At program point L535-1(lines 530 538) the Hoare annotation is: false [2019-11-25 08:53:51,446 INFO L440 ceAbstractionStarter]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2019-11-25 08:53:51,446 INFO L440 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-25 08:53:51,446 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-11-25 08:53:51,446 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:53:51,446 INFO L444 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-11-25 08:53:51,447 INFO L440 ceAbstractionStarter]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2019-11-25 08:53:51,447 INFO L447 ceAbstractionStarter]: At program point L934(lines 915 937) the Hoare annotation is: true [2019-11-25 08:53:51,447 INFO L440 ceAbstractionStarter]: At program point L901(lines 897 903) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-25 08:53:51,447 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-25 08:53:51,447 INFO L444 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2019-11-25 08:53:51,447 INFO L440 ceAbstractionStarter]: At program point L605-2(lines 605 609) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2019-11-25 08:53:51,447 INFO L444 ceAbstractionStarter]: For program point L820(lines 820 837) no Hoare annotation was computed. [2019-11-25 08:53:51,448 INFO L440 ceAbstractionStarter]: At program point L820-1(lines 1 937) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6 2) (<= 2 ~waterLevel~0) .cse3 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5))) [2019-11-25 08:53:51,448 INFO L440 ceAbstractionStarter]: At program point L853-2(lines 853 867) the Hoare annotation is: false [2019-11-25 08:53:51,448 INFO L444 ceAbstractionStarter]: For program point L820-2(lines 820 837) no Hoare annotation was computed. [2019-11-25 08:53:51,448 INFO L440 ceAbstractionStarter]: At program point L820-3(lines 1 937) the Hoare annotation is: false [2019-11-25 08:53:51,448 INFO L444 ceAbstractionStarter]: For program point L820-4(lines 820 837) no Hoare annotation was computed. [2019-11-25 08:53:51,448 INFO L440 ceAbstractionStarter]: At program point L820-5(lines 1 937) the Hoare annotation is: false [2019-11-25 08:53:51,448 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 494) no Hoare annotation was computed. [2019-11-25 08:53:51,448 INFO L444 ceAbstractionStarter]: For program point L672(lines 672 689) no Hoare annotation was computed. [2019-11-25 08:53:51,448 INFO L444 ceAbstractionStarter]: For program point L672-1(lines 672 689) no Hoare annotation was computed. [2019-11-25 08:53:51,448 INFO L444 ceAbstractionStarter]: For program point L672-2(lines 672 689) no Hoare annotation was computed. [2019-11-25 08:53:51,449 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:53:51,449 INFO L444 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-11-25 08:53:51,449 INFO L440 ceAbstractionStarter]: At program point L640(lines 636 658) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-25 08:53:51,449 INFO L440 ceAbstractionStarter]: At program point L640-1(lines 636 658) the Hoare annotation is: false [2019-11-25 08:53:51,449 INFO L440 ceAbstractionStarter]: At program point L640-2(lines 636 658) the Hoare annotation is: false [2019-11-25 08:53:51,449 INFO L444 ceAbstractionStarter]: For program point L774(lines 774 778) no Hoare annotation was computed. [2019-11-25 08:53:51,449 INFO L444 ceAbstractionStarter]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2019-11-25 08:53:51,449 INFO L444 ceAbstractionStarter]: For program point L774-3(lines 774 778) no Hoare annotation was computed. [2019-11-25 08:53:51,452 INFO L444 ceAbstractionStarter]: For program point L774-5(lines 774 778) no Hoare annotation was computed. [2019-11-25 08:53:51,452 INFO L444 ceAbstractionStarter]: For program point L774-6(lines 774 778) no Hoare annotation was computed. [2019-11-25 08:53:51,452 INFO L444 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-11-25 08:53:51,452 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2019-11-25 08:53:51,453 INFO L444 ceAbstractionStarter]: For program point L774-8(lines 774 778) no Hoare annotation was computed. [2019-11-25 08:53:51,453 INFO L444 ceAbstractionStarter]: For program point L543-2(lines 543 549) no Hoare annotation was computed. [2019-11-25 08:53:51,453 INFO L444 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2019-11-25 08:53:51,453 INFO L444 ceAbstractionStarter]: For program point L824(lines 824 834) no Hoare annotation was computed. [2019-11-25 08:53:51,453 INFO L444 ceAbstractionStarter]: For program point L857-1(lines 857 861) no Hoare annotation was computed. [2019-11-25 08:53:51,453 INFO L444 ceAbstractionStarter]: For program point L824-2(lines 824 834) no Hoare annotation was computed. [2019-11-25 08:53:51,454 INFO L440 ceAbstractionStarter]: At program point L725(lines 720 728) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 (= ~pumpRunning~0 0) .cse5 .cse6))) [2019-11-25 08:53:51,455 INFO L440 ceAbstractionStarter]: At program point L725-1(lines 720 728) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-25 08:53:51,455 INFO L444 ceAbstractionStarter]: For program point L824-4(lines 824 834) no Hoare annotation was computed. [2019-11-25 08:53:51,455 INFO L440 ceAbstractionStarter]: At program point L725-2(lines 720 728) the Hoare annotation is: false [2019-11-25 08:53:51,455 INFO L440 ceAbstractionStarter]: At program point L725-3(lines 720 728) the Hoare annotation is: false [2019-11-25 08:53:51,456 INFO L440 ceAbstractionStarter]: At program point L725-4(lines 720 728) the Hoare annotation is: false [2019-11-25 08:53:51,456 INFO L440 ceAbstractionStarter]: At program point L725-5(lines 720 728) the Hoare annotation is: false [2019-11-25 08:53:51,456 INFO L444 ceAbstractionStarter]: For program point L676(lines 676 684) no Hoare annotation was computed. [2019-11-25 08:53:51,456 INFO L444 ceAbstractionStarter]: For program point L676-1(lines 676 684) no Hoare annotation was computed. [2019-11-25 08:53:51,456 INFO L444 ceAbstractionStarter]: For program point L676-2(lines 676 684) no Hoare annotation was computed. [2019-11-25 08:53:51,456 INFO L440 ceAbstractionStarter]: At program point L65(lines 1 937) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-25 08:53:51,457 INFO L444 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-11-25 08:53:51,457 INFO L440 ceAbstractionStarter]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2019-11-25 08:53:51,457 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:53:51,457 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 482) no Hoare annotation was computed. [2019-11-25 08:53:51,458 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2019-11-25 08:53:51,458 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-25 08:53:51,458 INFO L444 ceAbstractionStarter]: For program point L825-2(lines 825 831) no Hoare annotation was computed. [2019-11-25 08:53:51,458 INFO L444 ceAbstractionStarter]: For program point L825-4(lines 825 831) no Hoare annotation was computed. [2019-11-25 08:53:51,458 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-25 08:53:51,458 INFO L444 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-11-25 08:53:51,458 INFO L444 ceAbstractionStarter]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-11-25 08:53:51,459 INFO L440 ceAbstractionStarter]: At program point L809(lines 640 646) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~7)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-25 08:53:51,459 INFO L440 ceAbstractionStarter]: At program point L809-1(lines 640 646) the Hoare annotation is: false [2019-11-25 08:53:51,460 INFO L440 ceAbstractionStarter]: At program point L809-2(lines 640 646) the Hoare annotation is: false [2019-11-25 08:53:51,460 INFO L444 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-11-25 08:53:51,460 INFO L447 ceAbstractionStarter]: At program point L925-1(lines 925 932) the Hoare annotation is: true [2019-11-25 08:53:51,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:53:51 BoogieIcfgContainer [2019-11-25 08:53:51,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:53:51,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:51,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:51,501 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:51,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:46" (3/4) ... [2019-11-25 08:53:51,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:53:51,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:53:51,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:53:51,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:53:51,545 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:53:51,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:53:51,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:53:51,547 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:53:51,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-25 08:53:51,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-25 08:53:51,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-25 08:53:51,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && tmp <= 2) && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,582 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && \result == 0) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,582 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:51,668 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a6bb6bb3-a08d-4d28-b6bb-81229a0a642c/bin/uautomizer/witness.graphml [2019-11-25 08:53:51,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:51,670 INFO L168 Benchmark]: Toolchain (without parser) took 6551.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 939.3 MB in the beginning and 972.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 143.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:51,670 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:51,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:51,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.44 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:51,671 INFO L168 Benchmark]: Boogie Preprocessor took 44.40 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. [2019-11-25 08:53:51,672 INFO L168 Benchmark]: RCFGBuilder took 795.78 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:51,672 INFO L168 Benchmark]: TraceAbstraction took 4935.72 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.0 GB in the beginning and 981.5 MB in the end (delta: 47.1 MB). Peak memory consumption was 185.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:51,673 INFO L168 Benchmark]: Witness Printer took 167.93 ms. Allocated memory is still 1.2 GB. Free memory was 981.5 MB in the beginning and 972.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:51,674 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.44 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.40 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 795.78 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4935.72 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.0 GB in the beginning and 981.5 MB in the end (delta: 47.1 MB). Peak memory consumption was 185.8 MB. Max. memory is 11.5 GB. * Witness Printer took 167.93 ms. Allocated memory is still 1.2 GB. Free memory was 981.5 MB in the beginning and 972.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 539]: Loop Invariant Derived loop invariant: ((((((\result == 1 && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && \result == 0) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((((\result == 1 && 1 == tmp) && 1 <= pumpRunning) && tmp <= 2) && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Result: SAFE, OverallTime: 4.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, HoareTripleCheckerStatistics: 763 SDtfs, 963 SDslu, 1025 SDs, 0 SdLazy, 186 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred 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, 303 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 98 NumberOfFragments, 848 HoareAnnotationTreeSize, 38 FomulaSimplifications, 24803 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 38 FomulaSimplificationsInter, 5375 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 25349 SizeOfPredicates, 4 NumberOfNonLiveVariables, 401 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...