./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:29,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:29,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:29,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:29,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:29,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:29,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:29,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:29,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:29,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:29,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:29,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:29,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:29,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:29,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:29,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:29,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:29,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:29,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:29,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:29,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:29,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:29,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:29,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:29,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:29,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:29,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:29,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:29,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:29,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:29,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:29,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:29,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:29,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:29,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:29,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:29,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:29,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:29,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:29,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:29,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:29,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:29,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:29,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:29,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:29,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:29,278 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:29,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:29,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:29,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:29,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:29,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:29,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:29,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:29,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:29,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:29,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:29,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:29,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:29,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:29,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:29,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:29,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:29,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:29,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:29,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:29,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:29,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:29,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:29,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:29,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2019-10-22 08:56:29,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:29,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:29,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:29,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:29,333 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:29,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2019-10-22 08:56:29,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/data/4795f402f/c054c7dd2a5a4264bf8a067500026a1c/FLAGd03d53c0e [2019-10-22 08:56:29,850 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:29,851 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2019-10-22 08:56:29,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/data/4795f402f/c054c7dd2a5a4264bf8a067500026a1c/FLAGd03d53c0e [2019-10-22 08:56:30,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/data/4795f402f/c054c7dd2a5a4264bf8a067500026a1c [2019-10-22 08:56:30,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:30,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:30,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:30,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:30,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:30,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:30,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ccbfa99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30, skipping insertion in model container [2019-10-22 08:56:30,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:30,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:30,418 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:30,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:30,798 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:30,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:30,911 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:30,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30 WrapperNode [2019-10-22 08:56:30,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:30,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:30,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:30,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:30,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:30,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:31,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:31,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:31,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:31,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:31,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:31,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:31,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:31,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:31,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:31,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:31,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... [2019-10-22 08:56:31,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:31,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:31,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:31,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:31,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:31,806 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:31,807 INFO L284 CfgBuilder]: Removed 172 assume(true) statements. [2019-10-22 08:56:31,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31 BoogieIcfgContainer [2019-10-22 08:56:31,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:31,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:31,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:31,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:31,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:30" (1/3) ... [2019-10-22 08:56:31,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d982bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:30" (2/3) ... [2019-10-22 08:56:31,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d982bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31" (3/3) ... [2019-10-22 08:56:31,815 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2019-10-22 08:56:31,824 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:31,831 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:56:31,842 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:56:31,864 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:31,864 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:31,864 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:31,865 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:31,865 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:31,865 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:31,865 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:31,865 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:31,880 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-10-22 08:56:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:56:31,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:31,887 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:31,889 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:31,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:31,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2019-10-22 08:56:31,902 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:31,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044934076] [2019-10-22 08:56:31,903 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,903 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:32,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044934076] [2019-10-22 08:56:32,087 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:32,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:32,087 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402163280] [2019-10-22 08:56:32,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:32,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:32,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:32,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:32,108 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2019-10-22 08:56:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:32,145 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2019-10-22 08:56:32,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:32,146 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 08:56:32,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:32,158 INFO L225 Difference]: With dead ends: 245 [2019-10-22 08:56:32,159 INFO L226 Difference]: Without dead ends: 122 [2019-10-22 08:56:32,161 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:32,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-10-22 08:56:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-10-22 08:56:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-10-22 08:56:32,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2019-10-22 08:56:32,200 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2019-10-22 08:56:32,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:32,200 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2019-10-22 08:56:32,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2019-10-22 08:56:32,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:56:32,201 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:32,201 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:32,202 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:32,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,202 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2019-10-22 08:56:32,202 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110331511] [2019-10-22 08:56:32,203 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,203 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:32,323 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110331511] [2019-10-22 08:56:32,323 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:32,323 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:32,323 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132083507] [2019-10-22 08:56:32,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:32,325 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:32,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:32,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:32,325 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2019-10-22 08:56:32,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:32,348 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2019-10-22 08:56:32,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:32,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 08:56:32,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:32,353 INFO L225 Difference]: With dead ends: 122 [2019-10-22 08:56:32,353 INFO L226 Difference]: Without dead ends: 51 [2019-10-22 08:56:32,356 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:32,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-10-22 08:56:32,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-10-22 08:56:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 08:56:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-10-22 08:56:32,363 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-10-22 08:56:32,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:32,363 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-10-22 08:56:32,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:32,363 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-10-22 08:56:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:56:32,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:32,364 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:32,365 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:32,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2019-10-22 08:56:32,365 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241431082] [2019-10-22 08:56:32,365 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:32,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241431082] [2019-10-22 08:56:32,469 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:32,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:32,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526896086] [2019-10-22 08:56:32,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:32,470 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:32,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:32,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:32,471 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2019-10-22 08:56:32,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:32,509 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2019-10-22 08:56:32,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:32,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 08:56:32,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:32,510 INFO L225 Difference]: With dead ends: 95 [2019-10-22 08:56:32,510 INFO L226 Difference]: Without dead ends: 51 [2019-10-22 08:56:32,511 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:32,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-10-22 08:56:32,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-10-22 08:56:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 08:56:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-10-22 08:56:32,526 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2019-10-22 08:56:32,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:32,526 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-10-22 08:56:32,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-10-22 08:56:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 08:56:32,527 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:32,527 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:32,528 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:32,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,528 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2019-10-22 08:56:32,528 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,528 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54095215] [2019-10-22 08:56:32,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:32,625 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54095215] [2019-10-22 08:56:32,626 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:32,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:32,626 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705983186] [2019-10-22 08:56:32,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:32,627 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:32,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:32,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:32,627 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-10-22 08:56:32,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:32,685 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2019-10-22 08:56:32,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:32,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-22 08:56:32,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:32,688 INFO L225 Difference]: With dead ends: 119 [2019-10-22 08:56:32,688 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 08:56:32,688 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:32,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 08:56:32,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-10-22 08:56:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 08:56:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-10-22 08:56:32,703 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2019-10-22 08:56:32,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:32,704 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-10-22 08:56:32,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-10-22 08:56:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:56:32,704 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:32,705 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:32,705 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:32,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,705 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2019-10-22 08:56:32,705 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,706 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588270304] [2019-10-22 08:56:32,706 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,706 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:32,796 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588270304] [2019-10-22 08:56:32,796 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:32,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:32,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068670795] [2019-10-22 08:56:32,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:32,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:32,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:32,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:32,797 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 5 states. [2019-10-22 08:56:32,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:32,930 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2019-10-22 08:56:32,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:56:32,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 08:56:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:32,932 INFO L225 Difference]: With dead ends: 263 [2019-10-22 08:56:32,932 INFO L226 Difference]: Without dead ends: 197 [2019-10-22 08:56:32,933 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:32,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-22 08:56:32,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2019-10-22 08:56:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 08:56:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2019-10-22 08:56:32,945 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2019-10-22 08:56:32,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:32,945 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2019-10-22 08:56:32,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:32,945 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2019-10-22 08:56:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:56:32,946 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:32,946 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:32,947 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:32,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:32,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2019-10-22 08:56:32,947 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:32,948 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743528762] [2019-10-22 08:56:32,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:32,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:33,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743528762] [2019-10-22 08:56:33,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:33,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:33,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52122201] [2019-10-22 08:56:33,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:33,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:33,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:33,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:33,019 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2019-10-22 08:56:33,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:33,098 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2019-10-22 08:56:33,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:56:33,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 08:56:33,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:33,099 INFO L225 Difference]: With dead ends: 202 [2019-10-22 08:56:33,099 INFO L226 Difference]: Without dead ends: 132 [2019-10-22 08:56:33,100 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:56:33,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-22 08:56:33,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2019-10-22 08:56:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 08:56:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2019-10-22 08:56:33,117 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2019-10-22 08:56:33,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:33,118 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2019-10-22 08:56:33,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2019-10-22 08:56:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:56:33,119 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:33,119 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,119 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:33,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2019-10-22 08:56:33,120 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,120 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544077411] [2019-10-22 08:56:33,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:33,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544077411] [2019-10-22 08:56:33,201 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:33,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:33,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928140040] [2019-10-22 08:56:33,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:33,202 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:33,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:33,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:33,203 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2019-10-22 08:56:33,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:33,326 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2019-10-22 08:56:33,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:56:33,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 08:56:33,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:33,328 INFO L225 Difference]: With dead ends: 282 [2019-10-22 08:56:33,328 INFO L226 Difference]: Without dead ends: 206 [2019-10-22 08:56:33,329 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:56:33,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-10-22 08:56:33,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2019-10-22 08:56:33,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-22 08:56:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2019-10-22 08:56:33,348 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2019-10-22 08:56:33,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:33,349 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2019-10-22 08:56:33,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:33,349 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2019-10-22 08:56:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:56:33,350 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:33,350 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,350 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:33,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,350 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2019-10-22 08:56:33,351 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,351 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771320729] [2019-10-22 08:56:33,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:33,391 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771320729] [2019-10-22 08:56:33,391 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:33,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:33,392 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346929076] [2019-10-22 08:56:33,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:33,392 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:33,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:33,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:33,393 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2019-10-22 08:56:33,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:33,421 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2019-10-22 08:56:33,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:33,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 08:56:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:33,422 INFO L225 Difference]: With dead ends: 185 [2019-10-22 08:56:33,422 INFO L226 Difference]: Without dead ends: 110 [2019-10-22 08:56:33,423 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:33,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-10-22 08:56:33,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-10-22 08:56:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-22 08:56:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2019-10-22 08:56:33,434 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2019-10-22 08:56:33,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:33,435 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2019-10-22 08:56:33,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2019-10-22 08:56:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:56:33,436 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:33,436 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,436 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:33,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2019-10-22 08:56:33,437 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,437 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779369609] [2019-10-22 08:56:33,437 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,437 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:33,508 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779369609] [2019-10-22 08:56:33,508 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:33,508 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:56:33,508 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915903282] [2019-10-22 08:56:33,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:56:33,509 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:33,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:33,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:33,509 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 6 states. [2019-10-22 08:56:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:33,745 INFO L93 Difference]: Finished difference Result 413 states and 551 transitions. [2019-10-22 08:56:33,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:56:33,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 08:56:33,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:33,747 INFO L225 Difference]: With dead ends: 413 [2019-10-22 08:56:33,747 INFO L226 Difference]: Without dead ends: 338 [2019-10-22 08:56:33,748 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:56:33,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-10-22 08:56:33,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 155. [2019-10-22 08:56:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-22 08:56:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 199 transitions. [2019-10-22 08:56:33,771 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 199 transitions. Word has length 35 [2019-10-22 08:56:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:33,772 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 199 transitions. [2019-10-22 08:56:33,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:56:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2019-10-22 08:56:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 08:56:33,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:33,774 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,774 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:33,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,775 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2019-10-22 08:56:33,775 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434643263] [2019-10-22 08:56:33,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:33,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434643263] [2019-10-22 08:56:33,859 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526979719] [2019-10-22 08:56:33,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:56:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:34,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:56:34,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:34,061 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:34,062 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:56:34,062 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-22 08:56:34,062 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559010390] [2019-10-22 08:56:34,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:56:34,063 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:34,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:56:34,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:34,063 INFO L87 Difference]: Start difference. First operand 155 states and 199 transitions. Second operand 8 states. [2019-10-22 08:56:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:34,240 INFO L93 Difference]: Finished difference Result 312 states and 417 transitions. [2019-10-22 08:56:34,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:56:34,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-10-22 08:56:34,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:34,241 INFO L225 Difference]: With dead ends: 312 [2019-10-22 08:56:34,241 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:34,242 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:56:34,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:34,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:34,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-22 08:56:34,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:34,243 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:34,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:56:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:34,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:34,444 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:56:34,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:35,007 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2019-10-22 08:56:35,257 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2019-10-22 08:56:35,415 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2019-10-22 08:56:35,698 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-10-22 08:56:35,973 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2019-10-22 08:56:36,205 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2019-10-22 08:56:36,309 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:56:36,310 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2019-10-22 08:56:36,310 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 104 121) no Hoare annotation was computed. [2019-10-22 08:56:36,310 INFO L443 ceAbstractionStarter]: For program point L104-2(lines 104 121) no Hoare annotation was computed. [2019-10-22 08:56:36,310 INFO L443 ceAbstractionStarter]: For program point L104-3(lines 104 121) no Hoare annotation was computed. [2019-10-22 08:56:36,310 INFO L443 ceAbstractionStarter]: For program point L104-4(lines 104 121) no Hoare annotation was computed. [2019-10-22 08:56:36,310 INFO L443 ceAbstractionStarter]: For program point L104-5(lines 104 121) no Hoare annotation was computed. [2019-10-22 08:56:36,310 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2019-10-22 08:56:36,311 INFO L439 ceAbstractionStarter]: At program point L303-1(lines 303 309) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) (= ~pumpRunning~0 0)) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-10-22 08:56:36,311 INFO L439 ceAbstractionStarter]: At program point L72(lines 68 90) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and (and .cse0 .cse2) (= ~pumpRunning~0 0)) .cse1))) [2019-10-22 08:56:36,311 INFO L439 ceAbstractionStarter]: At program point L72-1(lines 68 90) the Hoare annotation is: false [2019-10-22 08:56:36,311 INFO L439 ceAbstractionStarter]: At program point L72-2(lines 68 90) the Hoare annotation is: false [2019-10-22 08:56:36,311 INFO L439 ceAbstractionStarter]: At program point L238(lines 223 241) the Hoare annotation is: false [2019-10-22 08:56:36,311 INFO L439 ceAbstractionStarter]: At program point L238-1(lines 223 241) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (and .cse1 .cse2 .cse3)) (and .cse0 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2 .cse3)))) [2019-10-22 08:56:36,312 INFO L439 ceAbstractionStarter]: At program point L238-2(lines 223 241) the Hoare annotation is: false [2019-10-22 08:56:36,312 INFO L439 ceAbstractionStarter]: At program point L238-3(lines 223 241) the Hoare annotation is: false [2019-10-22 08:56:36,312 INFO L439 ceAbstractionStarter]: At program point L238-4(lines 223 241) the Hoare annotation is: false [2019-10-22 08:56:36,312 INFO L439 ceAbstractionStarter]: At program point L238-5(lines 223 241) the Hoare annotation is: false [2019-10-22 08:56:36,312 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 375) no Hoare annotation was computed. [2019-10-22 08:56:36,312 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2019-10-22 08:56:36,312 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 108 116) no Hoare annotation was computed. [2019-10-22 08:56:36,312 INFO L443 ceAbstractionStarter]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2019-10-22 08:56:36,312 INFO L443 ceAbstractionStarter]: For program point L108-3(lines 108 116) no Hoare annotation was computed. [2019-10-22 08:56:36,313 INFO L443 ceAbstractionStarter]: For program point L108-4(lines 108 116) no Hoare annotation was computed. [2019-10-22 08:56:36,313 INFO L443 ceAbstractionStarter]: For program point L108-5(lines 108 116) no Hoare annotation was computed. [2019-10-22 08:56:36,313 INFO L439 ceAbstractionStarter]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:36,313 INFO L439 ceAbstractionStarter]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2019-10-22 08:56:36,313 INFO L439 ceAbstractionStarter]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2019-10-22 08:56:36,313 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:56:36,313 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 08:56:36,314 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 08:56:36,314 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 08:56:36,314 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:36,315 INFO L439 ceAbstractionStarter]: At program point L837-1(lines 1 992) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (and (and .cse0 .cse3) (= ~pumpRunning~0 0)) .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2019-10-22 08:56:36,315 INFO L443 ceAbstractionStarter]: For program point L837-2(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:36,331 INFO L439 ceAbstractionStarter]: At program point L837-3(lines 1 992) the Hoare annotation is: false [2019-10-22 08:56:36,331 INFO L443 ceAbstractionStarter]: For program point L837-4(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:36,331 INFO L439 ceAbstractionStarter]: At program point L837-5(lines 1 992) the Hoare annotation is: false [2019-10-22 08:56:36,331 INFO L439 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and (and .cse0 .cse2) (= ~pumpRunning~0 0)) .cse1) (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3))) [2019-10-22 08:56:36,332 INFO L439 ceAbstractionStarter]: At program point L79-1(lines 79 85) the Hoare annotation is: false [2019-10-22 08:56:36,332 INFO L439 ceAbstractionStarter]: At program point L79-2(lines 79 85) the Hoare annotation is: false [2019-10-22 08:56:36,332 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2019-10-22 08:56:36,332 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 851) no Hoare annotation was computed. [2019-10-22 08:56:36,332 INFO L443 ceAbstractionStarter]: For program point L841-4(lines 841 851) no Hoare annotation was computed. [2019-10-22 08:56:36,332 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 08:56:36,332 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2019-10-22 08:56:36,332 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-10-22 08:56:36,332 INFO L439 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: false [2019-10-22 08:56:36,332 INFO L443 ceAbstractionStarter]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2019-10-22 08:56:36,332 INFO L443 ceAbstractionStarter]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2019-10-22 08:56:36,333 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2019-10-22 08:56:36,333 INFO L443 ceAbstractionStarter]: For program point L347-3(lines 347 351) no Hoare annotation was computed. [2019-10-22 08:56:36,333 INFO L443 ceAbstractionStarter]: For program point L347-6(lines 347 351) no Hoare annotation was computed. [2019-10-22 08:56:36,333 INFO L443 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2019-10-22 08:56:36,333 INFO L439 ceAbstractionStarter]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) .cse3 .cse4) (and (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (and .cse0 .cse2) (= ~pumpRunning~0 0)) .cse1))) [2019-10-22 08:56:36,333 INFO L439 ceAbstractionStarter]: At program point L183-1(lines 178 186) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 (and .cse1 .cse2) (= ~pumpRunning~0 0)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-10-22 08:56:36,333 INFO L439 ceAbstractionStarter]: At program point L183-2(lines 178 186) the Hoare annotation is: false [2019-10-22 08:56:36,333 INFO L439 ceAbstractionStarter]: At program point L183-3(lines 178 186) the Hoare annotation is: false [2019-10-22 08:56:36,334 INFO L439 ceAbstractionStarter]: At program point L183-4(lines 178 186) the Hoare annotation is: false [2019-10-22 08:56:36,334 INFO L439 ceAbstractionStarter]: At program point L183-5(lines 178 186) the Hoare annotation is: false [2019-10-22 08:56:36,334 INFO L439 ceAbstractionStarter]: At program point L416(lines 411 419) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and (and .cse0 .cse3) (= ~pumpRunning~0 0))))) [2019-10-22 08:56:36,336 INFO L439 ceAbstractionStarter]: At program point L416-1(lines 411 419) the Hoare annotation is: false [2019-10-22 08:56:36,336 INFO L439 ceAbstractionStarter]: At program point L416-2(lines 411 419) the Hoare annotation is: false [2019-10-22 08:56:36,336 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L251-5(lines 251 255) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L251-8(lines 251 255) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L912-1(lines 912 916) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-10-22 08:56:36,337 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2019-10-22 08:56:36,338 INFO L446 ceAbstractionStarter]: At program point L980-1(lines 980 987) the Hoare annotation is: true [2019-10-22 08:56:36,338 INFO L439 ceAbstractionStarter]: At program point L816(lines 811 818) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:36,338 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2019-10-22 08:56:36,338 INFO L439 ceAbstractionStarter]: At program point L321-2(lines 321 325) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) (= ~pumpRunning~0 0)) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-10-22 08:56:36,338 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:56:36,338 INFO L439 ceAbstractionStarter]: At program point L884(lines 1 992) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:36,338 INFO L439 ceAbstractionStarter]: At program point L257(lines 242 260) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:36,339 INFO L439 ceAbstractionStarter]: At program point L257-1(lines 242 260) the Hoare annotation is: false [2019-10-22 08:56:36,339 INFO L439 ceAbstractionStarter]: At program point L257-2(lines 242 260) the Hoare annotation is: false [2019-10-22 08:56:36,339 INFO L443 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2019-10-22 08:56:36,339 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 424 430) no Hoare annotation was computed. [2019-10-22 08:56:36,339 INFO L443 ceAbstractionStarter]: For program point L424-2(lines 424 430) no Hoare annotation was computed. [2019-10-22 08:56:36,339 INFO L443 ceAbstractionStarter]: For program point L424-3(lines 424 430) no Hoare annotation was computed. [2019-10-22 08:56:36,342 INFO L443 ceAbstractionStarter]: For program point L424-4(lines 424 430) no Hoare annotation was computed. [2019-10-22 08:56:36,342 INFO L443 ceAbstractionStarter]: For program point L424-5(lines 424 430) no Hoare annotation was computed. [2019-10-22 08:56:36,342 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:56:36,343 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2019-10-22 08:56:36,343 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2019-10-22 08:56:36,343 INFO L439 ceAbstractionStarter]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) (= ~pumpRunning~0 0)) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-10-22 08:56:36,343 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2019-10-22 08:56:36,343 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 147) no Hoare annotation was computed. [2019-10-22 08:56:36,343 INFO L443 ceAbstractionStarter]: For program point L130-2(lines 130 147) no Hoare annotation was computed. [2019-10-22 08:56:36,343 INFO L446 ceAbstractionStarter]: At program point L989(lines 970 992) the Hoare annotation is: true [2019-10-22 08:56:36,343 INFO L439 ceAbstractionStarter]: At program point L956(lines 952 958) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:36,343 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L429(lines 420 433) the Hoare annotation is: false [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L429-1(lines 420 433) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3))) [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L429-2(lines 420 433) the Hoare annotation is: false [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L429-3(lines 420 433) the Hoare annotation is: false [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L429-4(lines 420 433) the Hoare annotation is: false [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L429-5(lines 420 433) the Hoare annotation is: false [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L892(lines 887 895) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L826(lines 72 78) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (and .cse0 .cse2) (= ~pumpRunning~0 0)) .cse1))) [2019-10-22 08:56:36,344 INFO L439 ceAbstractionStarter]: At program point L826-1(lines 72 78) the Hoare annotation is: false [2019-10-22 08:56:36,345 INFO L439 ceAbstractionStarter]: At program point L826-2(lines 72 78) the Hoare annotation is: false [2019-10-22 08:56:36,345 INFO L439 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: false [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-5(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-6(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-8(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-9(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-11(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-12(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,345 INFO L443 ceAbstractionStarter]: For program point L232-14(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,346 INFO L443 ceAbstractionStarter]: For program point L232-15(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,346 INFO L443 ceAbstractionStarter]: For program point L232-17(lines 232 236) no Hoare annotation was computed. [2019-10-22 08:56:36,346 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2019-10-22 08:56:36,346 INFO L443 ceAbstractionStarter]: For program point L134-1(lines 134 142) no Hoare annotation was computed. [2019-10-22 08:56:36,346 INFO L443 ceAbstractionStarter]: For program point L134-2(lines 134 142) no Hoare annotation was computed. [2019-10-22 08:56:36,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:36 BoogieIcfgContainer [2019-10-22 08:56:36,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:36,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:36,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:36,368 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:36,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31" (3/4) ... [2019-10-22 08:56:36,372 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:36,393 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:56:36,401 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:56:36,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:56:36,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:56:36,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:56:36,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:56:36,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-10-22 08:56:36,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-10-22 08:56:36,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-10-22 08:56:36,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-10-22 08:56:36,434 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((\result == 0 && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) [2019-10-22 08:56:36,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((\result == 0 && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) [2019-10-22 08:56:36,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) [2019-10-22 08:56:36,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) [2019-10-22 08:56:36,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) [2019-10-22 08:56:36,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-10-22 08:56:36,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:56:36,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && waterLevel <= 2) && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-10-22 08:56:36,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-10-22 08:56:36,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && waterLevel <= 2) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:56:36,515 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a46fc937-7e66-45e8-87b4-d49e85829126/bin/uautomizer/witness.graphml [2019-10-22 08:56:36,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:36,516 INFO L168 Benchmark]: Toolchain (without parser) took 6158.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 278.4 MB). Free memory was 946.0 MB in the beginning and 1.3 GB in the end (delta: -306.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:36,516 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-10-22 08:56:36,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.49 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,517 INFO L168 Benchmark]: Boogie Preprocessor took 65.11 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,517 INFO L168 Benchmark]: RCFGBuilder took 731.90 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,517 INFO L168 Benchmark]: TraceAbstraction took 4558.78 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -261.1 MB). Peak memory consumption was 354.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,517 INFO L168 Benchmark]: Witness Printer took 147.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:36,519 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 552.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.49 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.11 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 731.90 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4558.78 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -261.1 MB). Peak memory consumption was 354.7 MB. Max. memory is 11.5 GB. * Witness Printer took 147.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((\result == 0 && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((\result == 0 && waterLevel <= 2) && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((\result == 0 && 1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && waterLevel <= 2) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 1029 SDtfs, 1265 SDslu, 1335 SDs, 0 SdLazy, 238 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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, 478 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 131 NumberOfFragments, 681 HoareAnnotationTreeSize, 50 FomulaSimplifications, 40962 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 50 FomulaSimplificationsInter, 13496 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 28489 SizeOfPredicates, 4 NumberOfNonLiveVariables, 424 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...