./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.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/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/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 210feffc8ddd7d7862cfab969b7a82589a978274 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:47:30,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:47:30,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:47:30,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:47:30,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:47:30,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:47:30,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:47:30,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:47:30,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:47:30,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:47:30,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:47:30,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:47:30,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:47:30,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:47:30,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:47:30,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:47:30,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:47:30,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:47:30,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:47:30,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:47:30,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:47:30,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:47:30,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:47:30,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:47:30,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:47:30,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:47:30,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:47:30,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:47:30,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:47:30,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:47:30,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:47:30,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:47:30,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:47:30,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:47:30,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:47:30,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:47:30,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:47:30,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:47:30,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:47:30,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:47:30,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:47:30,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:47:30,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:47:30,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:47:31,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:47:31,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:47:31,001 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:47:31,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:47:31,001 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:47:31,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:47:31,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:47:31,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:47:31,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:47:31,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:47:31,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:47:31,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:47:31,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:47:31,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:47:31,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:47:31,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:47:31,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:47:31,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:47:31,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:47:31,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:47:31,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:47:31,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:47:31,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:47:31,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:47:31,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:47:31,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:47:31,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/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 -> 210feffc8ddd7d7862cfab969b7a82589a978274 [2019-11-15 23:47:31,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:47:31,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:47:31,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:47:31,048 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:47:31,048 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:47:31,049 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2019-11-15 23:47:31,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/data/bc3733b06/da4429e8f46f4ed098283762bd15571d/FLAG61b8ffde1 [2019-11-15 23:47:31,580 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:47:31,580 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2019-11-15 23:47:31,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/data/bc3733b06/da4429e8f46f4ed098283762bd15571d/FLAG61b8ffde1 [2019-11-15 23:47:31,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/data/bc3733b06/da4429e8f46f4ed098283762bd15571d [2019-11-15 23:47:31,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:47:31,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:47:31,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:47:31,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:47:31,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:47:31,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:47:31" (1/1) ... [2019-11-15 23:47:31,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30031fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:31, skipping insertion in model container [2019-11-15 23:47:31,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:47:31" (1/1) ... [2019-11-15 23:47:31,635 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:47:31,696 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:47:32,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:47:32,073 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:47:32,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:47:32,191 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:47:32,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32 WrapperNode [2019-11-15 23:47:32,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:47:32,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:47:32,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:47:32,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:47:32,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:47:32,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:47:32,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:47:32,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:47:32,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... [2019-11-15 23:47:32,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:47:32,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:47:32,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:47:32,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:47:32,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:47:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:47:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 23:47:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:47:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:47:33,464 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:47:33,465 INFO L284 CfgBuilder]: Removed 282 assume(true) statements. [2019-11-15 23:47:33,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:47:33 BoogieIcfgContainer [2019-11-15 23:47:33,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:47:33,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:47:33,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:47:33,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:47:33,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:47:31" (1/3) ... [2019-11-15 23:47:33,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347f6222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:47:33, skipping insertion in model container [2019-11-15 23:47:33,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:32" (2/3) ... [2019-11-15 23:47:33,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347f6222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:47:33, skipping insertion in model container [2019-11-15 23:47:33,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:47:33" (3/3) ... [2019-11-15 23:47:33,476 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2019-11-15 23:47:33,485 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:47:33,492 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-15 23:47:33,502 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-15 23:47:33,525 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:47:33,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:47:33,526 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:47:33,526 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:47:33,526 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:47:33,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:47:33,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:47:33,526 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:47:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-11-15 23:47:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 23:47:33,552 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:33,553 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:47:33,554 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:33,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:33,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2019-11-15 23:47:33,566 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:33,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662516577] [2019-11-15 23:47:33,567 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:33,567 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:33,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:33,770 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662516577] [2019-11-15 23:47:33,771 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:33,771 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:47:33,771 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441686635] [2019-11-15 23:47:33,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:47:33,775 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:33,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:47:33,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:47:33,785 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-11-15 23:47:33,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:33,823 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2019-11-15 23:47:33,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:47:33,825 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-15 23:47:33,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:33,836 INFO L225 Difference]: With dead ends: 376 [2019-11-15 23:47:33,836 INFO L226 Difference]: Without dead ends: 187 [2019-11-15 23:47:33,840 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 [2019-11-15 23:47:33,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-11-15 23:47:33,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2019-11-15 23:47:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-11-15 23:47:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2019-11-15 23:47:33,889 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2019-11-15 23:47:33,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:33,889 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2019-11-15 23:47:33,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:47:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2019-11-15 23:47:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 23:47:33,891 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:33,891 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:47:33,891 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:33,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:33,892 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2019-11-15 23:47:33,892 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:33,892 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443660396] [2019-11-15 23:47:33,892 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:33,893 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:33,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:33,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:33,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443660396] [2019-11-15 23:47:33,997 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:33,997 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:47:33,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975379290] [2019-11-15 23:47:33,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:47:33,999 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:33,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:47:33,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:47:33,999 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2019-11-15 23:47:34,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:34,014 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2019-11-15 23:47:34,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:47:34,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-15 23:47:34,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:34,016 INFO L225 Difference]: With dead ends: 187 [2019-11-15 23:47:34,016 INFO L226 Difference]: Without dead ends: 73 [2019-11-15 23:47:34,019 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 [2019-11-15 23:47:34,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-15 23:47:34,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-15 23:47:34,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-15 23:47:34,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-11-15 23:47:34,026 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2019-11-15 23:47:34,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:34,027 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-11-15 23:47:34,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:47:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-11-15 23:47:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 23:47:34,028 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:34,028 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:47:34,029 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:34,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:34,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2019-11-15 23:47:34,029 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:34,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234358562] [2019-11-15 23:47:34,030 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:34,030 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:34,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:34,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234358562] [2019-11-15 23:47:34,118 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:34,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:47:34,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806806539] [2019-11-15 23:47:34,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:47:34,119 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:34,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:47:34,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:47:34,119 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2019-11-15 23:47:34,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:34,158 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2019-11-15 23:47:34,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:47:34,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-15 23:47:34,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:34,160 INFO L225 Difference]: With dead ends: 207 [2019-11-15 23:47:34,160 INFO L226 Difference]: Without dead ends: 140 [2019-11-15 23:47:34,161 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 [2019-11-15 23:47:34,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-15 23:47:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2019-11-15 23:47:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-15 23:47:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2019-11-15 23:47:34,175 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2019-11-15 23:47:34,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:34,175 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2019-11-15 23:47:34,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:47:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2019-11-15 23:47:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-15 23:47:34,177 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:34,177 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] [2019-11-15 23:47:34,177 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:34,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:34,178 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2019-11-15 23:47:34,178 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:34,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45836866] [2019-11-15 23:47:34,178 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:34,178 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:34,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:34,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45836866] [2019-11-15 23:47:34,291 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:34,291 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:47:34,291 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582875256] [2019-11-15 23:47:34,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:47:34,292 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:34,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:47:34,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:47:34,292 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand 3 states. [2019-11-15 23:47:34,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:34,376 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2019-11-15 23:47:34,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:47:34,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-15 23:47:34,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:34,379 INFO L225 Difference]: With dead ends: 283 [2019-11-15 23:47:34,379 INFO L226 Difference]: Without dead ends: 153 [2019-11-15 23:47:34,380 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 [2019-11-15 23:47:34,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-15 23:47:34,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2019-11-15 23:47:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-15 23:47:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2019-11-15 23:47:34,410 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2019-11-15 23:47:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:34,411 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2019-11-15 23:47:34,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:47:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2019-11-15 23:47:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-15 23:47:34,417 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:34,417 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] [2019-11-15 23:47:34,417 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:34,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:34,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2019-11-15 23:47:34,418 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:34,418 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639800674] [2019-11-15 23:47:34,419 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:34,419 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:34,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:34,543 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639800674] [2019-11-15 23:47:34,543 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:34,544 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:47:34,544 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540042159] [2019-11-15 23:47:34,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:47:34,544 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:34,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:47:34,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:47:34,545 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand 5 states. [2019-11-15 23:47:34,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:34,665 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2019-11-15 23:47:34,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:47:34,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-15 23:47:34,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:34,668 INFO L225 Difference]: With dead ends: 527 [2019-11-15 23:47:34,668 INFO L226 Difference]: Without dead ends: 382 [2019-11-15 23:47:34,670 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:47:34,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-11-15 23:47:34,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2019-11-15 23:47:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-15 23:47:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2019-11-15 23:47:34,696 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2019-11-15 23:47:34,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:34,696 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2019-11-15 23:47:34,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:47:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2019-11-15 23:47:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 23:47:34,698 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:34,698 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] [2019-11-15 23:47:34,699 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:34,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:34,699 INFO L82 PathProgramCache]: Analyzing trace with hash -936354291, now seen corresponding path program 1 times [2019-11-15 23:47:34,699 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:34,700 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523168880] [2019-11-15 23:47:34,700 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:34,700 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:34,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:34,799 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523168880] [2019-11-15 23:47:34,799 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:34,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:47:34,800 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513949370] [2019-11-15 23:47:34,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:47:34,800 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:34,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:47:34,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:47:34,801 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand 5 states. [2019-11-15 23:47:34,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:34,985 INFO L93 Difference]: Finished difference Result 526 states and 754 transitions. [2019-11-15 23:47:34,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 23:47:34,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-15 23:47:34,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:34,989 INFO L225 Difference]: With dead ends: 526 [2019-11-15 23:47:34,989 INFO L226 Difference]: Without dead ends: 524 [2019-11-15 23:47:34,990 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 [2019-11-15 23:47:34,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2019-11-15 23:47:35,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 236. [2019-11-15 23:47:35,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-15 23:47:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2019-11-15 23:47:35,035 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 26 [2019-11-15 23:47:35,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:35,036 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2019-11-15 23:47:35,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:47:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2019-11-15 23:47:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:47:35,041 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:35,041 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] [2019-11-15 23:47:35,048 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:35,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:35,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1821957235, now seen corresponding path program 1 times [2019-11-15 23:47:35,049 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:35,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989589431] [2019-11-15 23:47:35,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:35,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989589431] [2019-11-15 23:47:35,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:35,142 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:47:35,142 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36290092] [2019-11-15 23:47:35,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:47:35,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:35,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:47:35,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:47:35,143 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand 5 states. [2019-11-15 23:47:35,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:35,250 INFO L93 Difference]: Finished difference Result 651 states and 899 transitions. [2019-11-15 23:47:35,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:47:35,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 23:47:35,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:35,253 INFO L225 Difference]: With dead ends: 651 [2019-11-15 23:47:35,254 INFO L226 Difference]: Without dead ends: 421 [2019-11-15 23:47:35,254 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 [2019-11-15 23:47:35,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-15 23:47:35,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 260. [2019-11-15 23:47:35,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-11-15 23:47:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 354 transitions. [2019-11-15 23:47:35,272 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 354 transitions. Word has length 32 [2019-11-15 23:47:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:35,273 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 354 transitions. [2019-11-15 23:47:35,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:47:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 354 transitions. [2019-11-15 23:47:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:47:35,274 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:35,274 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] [2019-11-15 23:47:35,275 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:35,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:35,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1428930225, now seen corresponding path program 1 times [2019-11-15 23:47:35,275 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:35,275 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776584209] [2019-11-15 23:47:35,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:35,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776584209] [2019-11-15 23:47:35,336 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:35,336 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:47:35,336 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345959637] [2019-11-15 23:47:35,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:47:35,337 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:35,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:47:35,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:47:35,338 INFO L87 Difference]: Start difference. First operand 260 states and 354 transitions. Second operand 5 states. [2019-11-15 23:47:35,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:35,494 INFO L93 Difference]: Finished difference Result 643 states and 863 transitions. [2019-11-15 23:47:35,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 23:47:35,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 23:47:35,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:35,497 INFO L225 Difference]: With dead ends: 643 [2019-11-15 23:47:35,498 INFO L226 Difference]: Without dead ends: 389 [2019-11-15 23:47:35,498 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:47:35,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-11-15 23:47:35,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 233. [2019-11-15 23:47:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-15 23:47:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 310 transitions. [2019-11-15 23:47:35,517 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 310 transitions. Word has length 32 [2019-11-15 23:47:35,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:35,518 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 310 transitions. [2019-11-15 23:47:35,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:47:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 310 transitions. [2019-11-15 23:47:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:47:35,519 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:35,520 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] [2019-11-15 23:47:35,520 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:35,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:35,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1687095663, now seen corresponding path program 1 times [2019-11-15 23:47:35,520 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:35,521 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096227471] [2019-11-15 23:47:35,521 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,521 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:35,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096227471] [2019-11-15 23:47:35,576 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:35,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:47:35,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331883195] [2019-11-15 23:47:35,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:47:35,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:35,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:47:35,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:47:35,578 INFO L87 Difference]: Start difference. First operand 233 states and 310 transitions. Second operand 5 states. [2019-11-15 23:47:35,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:35,721 INFO L93 Difference]: Finished difference Result 666 states and 900 transitions. [2019-11-15 23:47:35,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:47:35,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 23:47:35,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:35,724 INFO L225 Difference]: With dead ends: 666 [2019-11-15 23:47:35,725 INFO L226 Difference]: Without dead ends: 491 [2019-11-15 23:47:35,726 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:47:35,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-11-15 23:47:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 326. [2019-11-15 23:47:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-11-15 23:47:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 427 transitions. [2019-11-15 23:47:35,753 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 427 transitions. Word has length 32 [2019-11-15 23:47:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:35,754 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 427 transitions. [2019-11-15 23:47:35,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:47:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 427 transitions. [2019-11-15 23:47:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-15 23:47:35,756 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:35,759 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:47:35,760 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:35,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:35,760 INFO L82 PathProgramCache]: Analyzing trace with hash -735517853, now seen corresponding path program 1 times [2019-11-15 23:47:35,760 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:35,761 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928706167] [2019-11-15 23:47:35,761 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,761 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 23:47:35,815 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928706167] [2019-11-15 23:47:35,815 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:35,815 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:47:35,815 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666591291] [2019-11-15 23:47:35,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:47:35,816 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:35,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:47:35,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:47:35,816 INFO L87 Difference]: Start difference. First operand 326 states and 427 transitions. Second operand 3 states. [2019-11-15 23:47:35,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:35,875 INFO L93 Difference]: Finished difference Result 547 states and 717 transitions. [2019-11-15 23:47:35,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:47:35,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-11-15 23:47:35,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:35,877 INFO L225 Difference]: With dead ends: 547 [2019-11-15 23:47:35,877 INFO L226 Difference]: Without dead ends: 227 [2019-11-15 23:47:35,882 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 [2019-11-15 23:47:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-11-15 23:47:35,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2019-11-15 23:47:35,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-11-15 23:47:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 287 transitions. [2019-11-15 23:47:35,900 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 287 transitions. Word has length 50 [2019-11-15 23:47:35,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:35,901 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 287 transitions. [2019-11-15 23:47:35,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:47:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 287 transitions. [2019-11-15 23:47:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-15 23:47:35,903 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:35,903 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:47:35,903 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:35,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:35,904 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2019-11-15 23:47:35,904 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:35,904 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441595447] [2019-11-15 23:47:35,904 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,904 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:35,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:35,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441595447] [2019-11-15 23:47:35,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813717464] [2019-11-15 23:47:35,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:47:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:36,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 23:47:36,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:47:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:47:36,165 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:47:36,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-15 23:47:36,165 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870059453] [2019-11-15 23:47:36,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:47:36,167 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:36,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:47:36,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:47:36,167 INFO L87 Difference]: Start difference. First operand 221 states and 287 transitions. Second operand 6 states. [2019-11-15 23:47:36,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:36,407 INFO L93 Difference]: Finished difference Result 690 states and 912 transitions. [2019-11-15 23:47:36,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 23:47:36,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-11-15 23:47:36,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:36,410 INFO L225 Difference]: With dead ends: 690 [2019-11-15 23:47:36,411 INFO L226 Difference]: Without dead ends: 518 [2019-11-15 23:47:36,411 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:47:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2019-11-15 23:47:36,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 306. [2019-11-15 23:47:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-11-15 23:47:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 401 transitions. [2019-11-15 23:47:36,444 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 401 transitions. Word has length 57 [2019-11-15 23:47:36,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:36,444 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 401 transitions. [2019-11-15 23:47:36,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:47:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 401 transitions. [2019-11-15 23:47:36,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-15 23:47:36,445 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:36,446 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-15 23:47:36,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:47:36,650 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:36,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:36,651 INFO L82 PathProgramCache]: Analyzing trace with hash 579418767, now seen corresponding path program 2 times [2019-11-15 23:47:36,651 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:36,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289963508] [2019-11-15 23:47:36,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:36,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:36,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-15 23:47:36,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289963508] [2019-11-15 23:47:36,808 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:36,808 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:47:36,808 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883540299] [2019-11-15 23:47:36,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:47:36,809 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:36,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:47:36,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:47:36,809 INFO L87 Difference]: Start difference. First operand 306 states and 401 transitions. Second operand 5 states. [2019-11-15 23:47:36,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:36,988 INFO L93 Difference]: Finished difference Result 922 states and 1223 transitions. [2019-11-15 23:47:36,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:47:36,989 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-15 23:47:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:36,993 INFO L225 Difference]: With dead ends: 922 [2019-11-15 23:47:36,993 INFO L226 Difference]: Without dead ends: 664 [2019-11-15 23:47:36,993 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:47:36,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2019-11-15 23:47:37,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 422. [2019-11-15 23:47:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-11-15 23:47:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 552 transitions. [2019-11-15 23:47:37,032 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 552 transitions. Word has length 82 [2019-11-15 23:47:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:37,032 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 552 transitions. [2019-11-15 23:47:37,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:47:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 552 transitions. [2019-11-15 23:47:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-15 23:47:37,034 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:47:37,034 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:47:37,034 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:47:37,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:37,035 INFO L82 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2019-11-15 23:47:37,035 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:37,035 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046466989] [2019-11-15 23:47:37,035 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:37,035 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:37,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-15 23:47:37,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046466989] [2019-11-15 23:47:37,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347983507] [2019-11-15 23:47:37,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:47:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:37,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 23:47:37,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:47:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-15 23:47:37,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:47:37,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-15 23:47:37,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690462545] [2019-11-15 23:47:37,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:47:37,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:37,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:47:37,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:47:37,298 INFO L87 Difference]: Start difference. First operand 422 states and 552 transitions. Second operand 5 states. [2019-11-15 23:47:37,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:37,382 INFO L93 Difference]: Finished difference Result 811 states and 1058 transitions. [2019-11-15 23:47:37,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:47:37,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-15 23:47:37,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:47:37,384 INFO L225 Difference]: With dead ends: 811 [2019-11-15 23:47:37,385 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:47:37,386 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:47:37,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:47:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:47:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:47:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:47:37,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2019-11-15 23:47:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:47:37,387 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:47:37,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:47:37,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:47:37,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:47:37,587 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:47:37,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:47:37,788 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 112 [2019-11-15 23:47:38,040 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 117 [2019-11-15 23:47:38,258 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2019-11-15 23:47:38,457 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 112 [2019-11-15 23:47:38,660 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2019-11-15 23:47:39,056 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 121 [2019-11-15 23:47:39,670 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2019-11-15 23:47:39,849 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2019-11-15 23:47:40,392 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 18 [2019-11-15 23:47:40,509 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 18 [2019-11-15 23:47:40,733 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2019-11-15 23:47:41,151 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 22 [2019-11-15 23:47:41,748 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2019-11-15 23:47:42,239 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 15 [2019-11-15 23:47:42,531 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 26 [2019-11-15 23:47:42,812 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 14 [2019-11-15 23:47:43,268 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 19 [2019-11-15 23:47:43,424 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 18 [2019-11-15 23:47:43,431 INFO L439 ceAbstractionStarter]: At program point L961(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,432 INFO L439 ceAbstractionStarter]: At program point L961-1(lines 952 965) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-15 23:47:43,432 INFO L439 ceAbstractionStarter]: At program point L961-2(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,432 INFO L439 ceAbstractionStarter]: At program point L961-3(lines 952 965) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-15 23:47:43,432 INFO L439 ceAbstractionStarter]: At program point L961-4(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,432 INFO L439 ceAbstractionStarter]: At program point L961-5(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,432 INFO L439 ceAbstractionStarter]: At program point L961-6(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,432 INFO L439 ceAbstractionStarter]: At program point L961-7(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,432 INFO L439 ceAbstractionStarter]: At program point L961-8(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L961-9(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L961-10(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L961-11(lines 952 965) the Hoare annotation is: false [2019-11-15 23:47:43,433 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-11-15 23:47:43,433 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L698-1(lines 698 704) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse6 .cse5)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse2) (and (and .cse4 .cse5) .cse0) (and .cse4 .cse3 .cse6 .cse5)))) [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L271(lines 256 274) the Hoare annotation is: (and (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L271-1(lines 256 274) the Hoare annotation is: false [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L271-2(lines 256 274) the Hoare annotation is: false [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L271-3(lines 256 274) the Hoare annotation is: false [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L271-4(lines 256 274) the Hoare annotation is: false [2019-11-15 23:47:43,433 INFO L439 ceAbstractionStarter]: At program point L271-5(lines 256 274) the Hoare annotation is: false [2019-11-15 23:47:43,434 INFO L439 ceAbstractionStarter]: At program point L998(lines 1 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-15 23:47:43,434 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-11-15 23:47:43,434 INFO L443 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2019-11-15 23:47:43,434 INFO L443 ceAbstractionStarter]: For program point L868-2(line 868) no Hoare annotation was computed. [2019-11-15 23:47:43,434 INFO L443 ceAbstractionStarter]: For program point L903(lines 903 907) no Hoare annotation was computed. [2019-11-15 23:47:43,434 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 161) no Hoare annotation was computed. [2019-11-15 23:47:43,434 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2019-11-15 23:47:43,434 INFO L443 ceAbstractionStarter]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2019-11-15 23:47:43,434 INFO L439 ceAbstractionStarter]: At program point L971(lines 966 974) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 23:47:43,434 INFO L439 ceAbstractionStarter]: At program point L971-1(lines 966 974) the Hoare annotation is: false [2019-11-15 23:47:43,434 INFO L439 ceAbstractionStarter]: At program point L971-2(lines 966 974) the Hoare annotation is: false [2019-11-15 23:47:43,434 INFO L439 ceAbstractionStarter]: At program point L971-3(lines 966 974) the Hoare annotation is: false [2019-11-15 23:47:43,434 INFO L439 ceAbstractionStarter]: At program point L971-4(lines 966 974) the Hoare annotation is: false [2019-11-15 23:47:43,435 INFO L439 ceAbstractionStarter]: At program point L971-5(lines 966 974) the Hoare annotation is: false [2019-11-15 23:47:43,435 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-11-15 23:47:43,435 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 723) no Hoare annotation was computed. [2019-11-15 23:47:43,435 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-11-15 23:47:43,435 INFO L439 ceAbstractionStarter]: At program point L279-1(lines 279 285) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (and (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-11-15 23:47:43,435 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,435 INFO L443 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,435 INFO L443 ceAbstractionStarter]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L439 ceAbstractionStarter]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-9(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-11(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-12(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-14(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-15(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-17(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,436 INFO L443 ceAbstractionStarter]: For program point L246-18(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-20(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-21(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-23(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-24(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-26(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-27(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-29(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-30(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-32(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L246-33(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,437 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 156) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L246-35(lines 246 250) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L439 ceAbstractionStarter]: At program point L776-2(lines 776 790) the Hoare annotation is: false [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L679(lines 678 727) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 135) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L118-1(lines 118 135) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L118-2(lines 118 135) no Hoare annotation was computed. [2019-11-15 23:47:43,438 INFO L443 ceAbstractionStarter]: For program point L118-3(lines 118 135) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point L118-4(lines 118 135) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point L118-5(lines 118 135) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point L879-3(lines 879 883) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 760) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 60 66) no Hoare annotation was computed. [2019-11-15 23:47:43,439 INFO L439 ceAbstractionStarter]: At program point L747-1(lines 1 1009) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2) .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse5 (= 1 ~waterLevel~0) .cse1 .cse2) (and .cse5 .cse0 .cse3 .cse4 .cse1 .cse2) (and .cse5 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-15 23:47:43,440 INFO L443 ceAbstractionStarter]: For program point L747-2(lines 747 760) no Hoare annotation was computed. [2019-11-15 23:47:43,440 INFO L443 ceAbstractionStarter]: For program point L879-6(lines 879 883) no Hoare annotation was computed. [2019-11-15 23:47:43,440 INFO L439 ceAbstractionStarter]: At program point L747-3(lines 1 1009) the Hoare annotation is: false [2019-11-15 23:47:43,440 INFO L443 ceAbstractionStarter]: For program point L747-4(lines 747 760) no Hoare annotation was computed. [2019-11-15 23:47:43,440 INFO L439 ceAbstractionStarter]: At program point L747-5(lines 1 1009) the Hoare annotation is: false [2019-11-15 23:47:43,440 INFO L439 ceAbstractionStarter]: At program point L252(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,440 INFO L439 ceAbstractionStarter]: At program point L252-1(lines 237 255) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) .cse1 .cse2) (<= 1 ~waterLevel~0)))) [2019-11-15 23:47:43,440 INFO L439 ceAbstractionStarter]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,440 INFO L439 ceAbstractionStarter]: At program point L252-3(lines 237 255) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) .cse1 .cse2) (<= 1 ~waterLevel~0)))) [2019-11-15 23:47:43,441 INFO L439 ceAbstractionStarter]: At program point L252-4(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,441 INFO L439 ceAbstractionStarter]: At program point L252-5(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,441 INFO L439 ceAbstractionStarter]: At program point L252-6(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,441 INFO L439 ceAbstractionStarter]: At program point L252-7(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,441 INFO L439 ceAbstractionStarter]: At program point L252-8(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,441 INFO L439 ceAbstractionStarter]: At program point L252-9(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,441 INFO L439 ceAbstractionStarter]: At program point L252-10(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,441 INFO L439 ceAbstractionStarter]: At program point L252-11(lines 237 255) the Hoare annotation is: false [2019-11-15 23:47:43,441 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-11-15 23:47:43,442 INFO L439 ceAbstractionStarter]: At program point L716-1(lines 60 66) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and (and .cse3 .cse2) (<= 2 ~waterLevel~0)) (and .cse3 .cse0 .cse1 .cse2))) [2019-11-15 23:47:43,442 INFO L439 ceAbstractionStarter]: At program point L188(lines 181 191) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 23:47:43,442 INFO L439 ceAbstractionStarter]: At program point L188-1(lines 181 191) the Hoare annotation is: false [2019-11-15 23:47:43,442 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-11-15 23:47:43,442 INFO L439 ceAbstractionStarter]: At program point L188-2(lines 181 191) the Hoare annotation is: false [2019-11-15 23:47:43,442 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2019-11-15 23:47:43,442 INFO L443 ceAbstractionStarter]: For program point L122-2(lines 122 130) no Hoare annotation was computed. [2019-11-15 23:47:43,442 INFO L443 ceAbstractionStarter]: For program point L122-3(lines 122 130) no Hoare annotation was computed. [2019-11-15 23:47:43,442 INFO L443 ceAbstractionStarter]: For program point L122-4(lines 122 130) no Hoare annotation was computed. [2019-11-15 23:47:43,443 INFO L443 ceAbstractionStarter]: For program point L122-5(lines 122 130) no Hoare annotation was computed. [2019-11-15 23:47:43,443 INFO L439 ceAbstractionStarter]: At program point L948(lines 943 951) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (<= 1 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (and .cse2 .cse3) (= 0 ~systemActive~0)) (and (and .cse4 .cse2 .cse3) .cse0 .cse1) (and .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2019-11-15 23:47:43,443 INFO L439 ceAbstractionStarter]: At program point L948-1(lines 943 951) the Hoare annotation is: false [2019-11-15 23:47:43,443 INFO L439 ceAbstractionStarter]: At program point L948-2(lines 943 951) the Hoare annotation is: false [2019-11-15 23:47:43,443 INFO L439 ceAbstractionStarter]: At program point L916(lines 911 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-15 23:47:43,443 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 911 919) the Hoare annotation is: false [2019-11-15 23:47:43,443 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 857) no Hoare annotation was computed. [2019-11-15 23:47:43,443 INFO L439 ceAbstractionStarter]: At program point L916-2(lines 911 919) the Hoare annotation is: false [2019-11-15 23:47:43,443 INFO L446 ceAbstractionStarter]: At program point L850-1(lines 850 857) the Hoare annotation is: true [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 757) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 757) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L751-4(lines 751 757) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L92-2(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L92-3(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L92-4(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L92-5(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,444 INFO L443 ceAbstractionStarter]: For program point L92-6(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,445 INFO L443 ceAbstractionStarter]: For program point L92-7(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,448 INFO L443 ceAbstractionStarter]: For program point L92-8(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,448 INFO L443 ceAbstractionStarter]: For program point L92-9(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,448 INFO L443 ceAbstractionStarter]: For program point L92-10(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,448 INFO L443 ceAbstractionStarter]: For program point L92-11(lines 92 109) no Hoare annotation was computed. [2019-11-15 23:47:43,449 INFO L439 ceAbstractionStarter]: At program point L60(lines 59 78) the Hoare annotation is: (let ((.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~systemActive~0)) (and (and (= 1 ~systemActive~0) .cse1) .cse0))) [2019-11-15 23:47:43,449 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 60 66) no Hoare annotation was computed. [2019-11-15 23:47:43,449 INFO L439 ceAbstractionStarter]: At program point L60-2(lines 59 78) the Hoare annotation is: false [2019-11-15 23:47:43,449 INFO L439 ceAbstractionStarter]: At program point L60-3(lines 59 78) the Hoare annotation is: false [2019-11-15 23:47:43,449 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-11-15 23:47:43,450 INFO L439 ceAbstractionStarter]: At program point L688-1(lines 688 694) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse6 .cse5)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse2) (and (and .cse4 .cse5) .cse0) (and .cse4 .cse3 .cse6 .cse5)))) [2019-11-15 23:47:43,450 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:47:43,450 INFO L443 ceAbstractionStarter]: For program point L96(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,450 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,450 INFO L443 ceAbstractionStarter]: For program point L96-2(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,450 INFO L443 ceAbstractionStarter]: For program point L96-3(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,451 INFO L443 ceAbstractionStarter]: For program point L96-4(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,451 INFO L443 ceAbstractionStarter]: For program point L96-5(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,451 INFO L443 ceAbstractionStarter]: For program point L96-6(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,451 INFO L443 ceAbstractionStarter]: For program point L96-7(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,451 INFO L443 ceAbstractionStarter]: For program point L96-8(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,451 INFO L443 ceAbstractionStarter]: For program point L96-9(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,451 INFO L443 ceAbstractionStarter]: For program point L96-10(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,452 INFO L443 ceAbstractionStarter]: For program point L96-11(lines 96 104) no Hoare annotation was computed. [2019-11-15 23:47:43,452 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,452 INFO L443 ceAbstractionStarter]: For program point L956-1(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,452 INFO L443 ceAbstractionStarter]: For program point L956-2(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,452 INFO L443 ceAbstractionStarter]: For program point L956-3(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,452 INFO L439 ceAbstractionStarter]: At program point L824(lines 820 826) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-15 23:47:43,453 INFO L443 ceAbstractionStarter]: For program point L956-4(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,453 INFO L443 ceAbstractionStarter]: For program point L956-5(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,453 INFO L443 ceAbstractionStarter]: For program point L956-6(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,453 INFO L443 ceAbstractionStarter]: For program point L956-7(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,453 INFO L443 ceAbstractionStarter]: For program point L956-8(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,453 INFO L443 ceAbstractionStarter]: For program point L956-9(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,454 INFO L443 ceAbstractionStarter]: For program point L956-10(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,454 INFO L443 ceAbstractionStarter]: For program point L956-11(lines 956 962) no Hoare annotation was computed. [2019-11-15 23:47:43,454 INFO L439 ceAbstractionStarter]: At program point L197(lines 192 200) the Hoare annotation is: false [2019-11-15 23:47:43,454 INFO L439 ceAbstractionStarter]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2019-11-15 23:47:43,454 INFO L439 ceAbstractionStarter]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2019-11-15 23:47:43,454 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:47:43,455 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 895) no Hoare annotation was computed. [2019-11-15 23:47:43,455 INFO L446 ceAbstractionStarter]: At program point L859(lines 840 862) the Hoare annotation is: true [2019-11-15 23:47:43,455 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,455 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,455 INFO L443 ceAbstractionStarter]: For program point L265-3(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,455 INFO L443 ceAbstractionStarter]: For program point L265-5(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,456 INFO L439 ceAbstractionStarter]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (and .cse2 .cse3 .cse1 (= 0 ~systemActive~0)) (and (and .cse0 .cse3 .cse1) .cse2))) [2019-11-15 23:47:43,456 INFO L443 ceAbstractionStarter]: For program point L265-6(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,456 INFO L439 ceAbstractionStarter]: At program point L67-1(lines 67 73) the Hoare annotation is: false [2019-11-15 23:47:43,456 INFO L443 ceAbstractionStarter]: For program point L265-8(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,456 INFO L439 ceAbstractionStarter]: At program point L67-2(lines 67 73) the Hoare annotation is: false [2019-11-15 23:47:43,456 INFO L443 ceAbstractionStarter]: For program point L265-9(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,457 INFO L443 ceAbstractionStarter]: For program point L265-11(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,457 INFO L443 ceAbstractionStarter]: For program point L265-12(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,457 INFO L443 ceAbstractionStarter]: For program point L265-14(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,457 INFO L443 ceAbstractionStarter]: For program point L265-15(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,457 INFO L439 ceAbstractionStarter]: At program point L728(lines 677 729) the Hoare annotation is: false [2019-11-15 23:47:43,457 INFO L443 ceAbstractionStarter]: For program point L265-17(lines 265 269) no Hoare annotation was computed. [2019-11-15 23:47:43,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:47:43 BoogieIcfgContainer [2019-11-15 23:47:43,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:47:43,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:47:43,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:47:43,488 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:47:43,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:47:33" (3/4) ... [2019-11-15 23:47:43,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:47:43,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-15 23:47:43,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-15 23:47:43,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-15 23:47:43,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-15 23:47:43,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:47:43,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-15 23:47:43,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= tmp && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == systemActive) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && 0 == splverifierCounter) [2019-11-15 23:47:43,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 <= tmp && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == systemActive)) || ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-15 23:47:43,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 <= tmp && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == systemActive)) || ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-15 23:47:43,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= \result && 1 <= waterLevel) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel)) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter) [2019-11-15 23:47:43,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-15 23:47:43,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) [2019-11-15 23:47:43,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-15 23:47:43,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-15 23:47:43,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && 1 == systemActive) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 0 == splverifierCounter [2019-11-15 23:47:43,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) [2019-11-15 23:47:43,693 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e6cb0f90-f644-40e4-9b7a-d65bdbe6a724/bin/uautomizer/witness.graphml [2019-11-15 23:47:43,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:47:43,694 INFO L168 Benchmark]: Toolchain (without parser) took 12074.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 266.9 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -71.6 MB). Peak memory consumption was 195.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:43,695 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:47:43,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:43,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:43,696 INFO L168 Benchmark]: Boogie Preprocessor took 76.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:43,696 INFO L168 Benchmark]: RCFGBuilder took 1111.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:43,697 INFO L168 Benchmark]: TraceAbstraction took 10020.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 129.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -9.7 MB). Peak memory consumption was 305.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:43,697 INFO L168 Benchmark]: Witness Printer took 205.64 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:43,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1111.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10020.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 129.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -9.7 MB). Peak memory consumption was 305.8 MB. Max. memory is 11.5 GB. * Witness Printer took 205.64 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 868]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 868]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 868]: 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: 698]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 <= tmp && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == systemActive)) || ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && 1 == systemActive) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: ((((1 <= \result && 1 <= waterLevel) && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel)) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 <= tmp && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == systemActive)) || ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 <= tmp && pumpRunning == 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == systemActive) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: (2 <= waterLevel && pumpRunning == 0 && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 1 == systemActive && 0 == splverifierCounter) || (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Result: SAFE, OverallTime: 9.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, HoareTripleCheckerStatistics: 1801 SDtfs, 2378 SDslu, 2640 SDs, 0 SdLazy, 392 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1382 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 222 NumberOfFragments, 637 HoareAnnotationTreeSize, 68 FomulaSimplifications, 709306 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 68 FomulaSimplificationsInter, 105215 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 637 NumberOfCodeBlocks, 637 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 622 ConstructedInterpolants, 0 QuantifiedInterpolants, 51003 SizeOfPredicates, 8 NumberOfNonLiveVariables, 918 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 193/201 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...