./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/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 420052417c34af57247f22c0bc8935a6e484860c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:56:55,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:56:55,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:56:55,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:56:55,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:56:55,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:56:55,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:56:55,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:56:55,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:56:55,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:56:55,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:56:55,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:56:55,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:56:55,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:56:55,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:56:55,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:56:55,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:56:55,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:56:55,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:56:55,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:56:55,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:56:55,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:56:55,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:56:55,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:56:55,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:56:55,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:56:55,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:56:55,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:56:55,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:56:55,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:56:55,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:56:55,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:56:55,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:56:55,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:56:55,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:56:55,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:56:55,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:56:55,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:56:55,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:56:55,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:56:55,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:56:55,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:56:55,308 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:56:55,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:56:55,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:56:55,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:56:55,310 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:56:55,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:56:55,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:56:55,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:56:55,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:56:55,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:56:55,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:56:55,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:56:55,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:56:55,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:56:55,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:56:55,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:56:55,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:56:55,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:56:55,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:56:55,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:56:55,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:56:55,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:56:55,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:56:55,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:56:55,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:56:55,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:56:55,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:56:55,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:56:55,314 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_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/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 -> 420052417c34af57247f22c0bc8935a6e484860c [2019-11-25 08:56:55,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:56:55,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:56:55,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:56:55,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:56:55,468 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:56:55,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2019-11-25 08:56:55,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/data/ff127f9b2/4d11decd83034c618544098d8269b3b6/FLAG051b18911 [2019-11-25 08:56:55,959 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:56:55,960 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2019-11-25 08:56:55,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/data/ff127f9b2/4d11decd83034c618544098d8269b3b6/FLAG051b18911 [2019-11-25 08:56:55,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/data/ff127f9b2/4d11decd83034c618544098d8269b3b6 [2019-11-25 08:56:55,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:56:55,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:56:55,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:55,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:56:55,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:56:55,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:55" (1/1) ... [2019-11-25 08:56:55,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ccfaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:55, skipping insertion in model container [2019-11-25 08:56:55,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:55" (1/1) ... [2019-11-25 08:56:56,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:56:56,050 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:56:56,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:56,393 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:56:56,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:56,537 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:56:56,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56 WrapperNode [2019-11-25 08:56:56,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:56,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:56,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:56:56,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:56:56,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:56,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:56:56,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:56:56,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:56:56,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... [2019-11-25 08:56:56,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:56:56,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:56:56,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:56:56,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:56:56,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:56:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:56:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:56:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:56:56,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:56:57,518 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:56:57,519 INFO L284 CfgBuilder]: Removed 176 assume(true) statements. [2019-11-25 08:56:57,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:57 BoogieIcfgContainer [2019-11-25 08:56:57,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:56:57,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:56:57,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:56:57,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:56:57,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:56:55" (1/3) ... [2019-11-25 08:56:57,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec73874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:56:57, skipping insertion in model container [2019-11-25 08:56:57,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:56" (2/3) ... [2019-11-25 08:56:57,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec73874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:56:57, skipping insertion in model container [2019-11-25 08:56:57,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:57" (3/3) ... [2019-11-25 08:56:57,528 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2019-11-25 08:56:57,536 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:56:57,543 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:56:57,558 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:56:57,588 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:56:57,589 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:56:57,589 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:56:57,589 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:56:57,589 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:56:57,589 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:56:57,589 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:56:57,589 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:56:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2019-11-25 08:56:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:56:57,623 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:57,624 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:57,624 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:57,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:57,629 INFO L82 PathProgramCache]: Analyzing trace with hash -570084669, now seen corresponding path program 1 times [2019-11-25 08:56:57,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:57,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874813639] [2019-11-25 08:56:57,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:57,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874813639] [2019-11-25 08:56:57,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:57,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:56:57,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905284372] [2019-11-25 08:56:57,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:56:57,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:57,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:56:57,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:56:57,920 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2019-11-25 08:56:57,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:57,954 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2019-11-25 08:56:57,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:56:57,955 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-25 08:56:57,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:57,968 INFO L225 Difference]: With dead ends: 237 [2019-11-25 08:56:57,968 INFO L226 Difference]: Without dead ends: 118 [2019-11-25 08:56:57,971 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:56:57,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-25 08:56:58,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-11-25 08:56:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-25 08:56:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2019-11-25 08:56:58,011 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2019-11-25 08:56:58,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:58,011 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2019-11-25 08:56:58,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:56:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2019-11-25 08:56:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:56:58,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:58,013 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:58,013 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:58,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:58,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1235934884, now seen corresponding path program 1 times [2019-11-25 08:56:58,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:58,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968379440] [2019-11-25 08:56:58,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:58,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968379440] [2019-11-25 08:56:58,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:58,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:56:58,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70255086] [2019-11-25 08:56:58,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:56:58,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:58,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:56:58,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:58,112 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2019-11-25 08:56:58,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:58,137 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2019-11-25 08:56:58,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:56:58,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-25 08:56:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:58,141 INFO L225 Difference]: With dead ends: 118 [2019-11-25 08:56:58,141 INFO L226 Difference]: Without dead ends: 51 [2019-11-25 08:56:58,143 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-25 08:56:58,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-25 08:56:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-25 08:56:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-11-25 08:56:58,154 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-11-25 08:56:58,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:58,154 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-11-25 08:56:58,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:56:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-11-25 08:56:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:56:58,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:58,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:58,156 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:58,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:58,156 INFO L82 PathProgramCache]: Analyzing trace with hash -807039390, now seen corresponding path program 1 times [2019-11-25 08:56:58,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:58,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236392003] [2019-11-25 08:56:58,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:58,281 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236392003] [2019-11-25 08:56:58,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:58,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:56:58,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645547091] [2019-11-25 08:56:58,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:56:58,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:58,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:56:58,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:58,283 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2019-11-25 08:56:58,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:58,316 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2019-11-25 08:56:58,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:56:58,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-25 08:56:58,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:58,318 INFO L225 Difference]: With dead ends: 139 [2019-11-25 08:56:58,318 INFO L226 Difference]: Without dead ends: 95 [2019-11-25 08:56:58,319 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:58,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-25 08:56:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2019-11-25 08:56:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-25 08:56:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2019-11-25 08:56:58,334 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2019-11-25 08:56:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:58,335 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2019-11-25 08:56:58,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:56:58,335 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2019-11-25 08:56:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-25 08:56:58,337 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:58,337 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:58,337 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:58,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:58,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1166251271, now seen corresponding path program 1 times [2019-11-25 08:56:58,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:58,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964125571] [2019-11-25 08:56:58,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:58,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964125571] [2019-11-25 08:56:58,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:58,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:56:58,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995335027] [2019-11-25 08:56:58,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:56:58,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:58,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:56:58,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:58,439 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2019-11-25 08:56:58,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:58,501 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2019-11-25 08:56:58,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:56:58,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-25 08:56:58,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:58,504 INFO L225 Difference]: With dead ends: 222 [2019-11-25 08:56:58,504 INFO L226 Difference]: Without dead ends: 138 [2019-11-25 08:56:58,505 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:58,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-25 08:56:58,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2019-11-25 08:56:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-25 08:56:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-11-25 08:56:58,522 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2019-11-25 08:56:58,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:58,523 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-11-25 08:56:58,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:56:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-11-25 08:56:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 08:56:58,524 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:58,524 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:58,524 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:58,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:58,525 INFO L82 PathProgramCache]: Analyzing trace with hash -237845909, now seen corresponding path program 1 times [2019-11-25 08:56:58,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:58,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648157609] [2019-11-25 08:56:58,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:58,602 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648157609] [2019-11-25 08:56:58,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:58,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:56:58,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660118496] [2019-11-25 08:56:58,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:56:58,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:58,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:56:58,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:56:58,603 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2019-11-25 08:56:58,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:58,783 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2019-11-25 08:56:58,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:56:58,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-25 08:56:58,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:58,787 INFO L225 Difference]: With dead ends: 475 [2019-11-25 08:56:58,787 INFO L226 Difference]: Without dead ends: 346 [2019-11-25 08:56:58,789 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:56:58,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-25 08:56:58,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2019-11-25 08:56:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-25 08:56:58,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2019-11-25 08:56:58,826 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2019-11-25 08:56:58,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:58,827 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2019-11-25 08:56:58,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:56:58,827 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2019-11-25 08:56:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:56:58,828 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:58,829 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:58,829 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:58,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:58,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2058108952, now seen corresponding path program 1 times [2019-11-25 08:56:58,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:58,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296357850] [2019-11-25 08:56:58,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:58,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296357850] [2019-11-25 08:56:58,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:58,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:56:58,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027129258] [2019-11-25 08:56:58,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:56:58,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:58,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:56:58,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:56:58,903 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2019-11-25 08:56:58,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:58,979 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2019-11-25 08:56:58,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:56:58,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-25 08:56:58,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:58,982 INFO L225 Difference]: With dead ends: 363 [2019-11-25 08:56:58,982 INFO L226 Difference]: Without dead ends: 236 [2019-11-25 08:56:58,983 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:56:58,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-11-25 08:56:59,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2019-11-25 08:56:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-25 08:56:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2019-11-25 08:56:59,003 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2019-11-25 08:56:59,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:59,003 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2019-11-25 08:56:59,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:56:59,003 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2019-11-25 08:56:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:56:59,005 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:59,005 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:59,005 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:59,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:59,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1357044374, now seen corresponding path program 1 times [2019-11-25 08:56:59,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:59,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089846957] [2019-11-25 08:56:59,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:59,083 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089846957] [2019-11-25 08:56:59,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:59,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:56:59,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849577966] [2019-11-25 08:56:59,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:56:59,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:59,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:56:59,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:56:59,085 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 4 states. [2019-11-25 08:56:59,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:59,146 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2019-11-25 08:56:59,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:56:59,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-25 08:56:59,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:59,149 INFO L225 Difference]: With dead ends: 351 [2019-11-25 08:56:59,149 INFO L226 Difference]: Without dead ends: 212 [2019-11-25 08:56:59,150 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:56:59,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-25 08:56:59,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 154. [2019-11-25 08:56:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-25 08:56:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2019-11-25 08:56:59,169 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2019-11-25 08:56:59,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:59,171 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2019-11-25 08:56:59,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:56:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2019-11-25 08:56:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:56:59,178 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:59,178 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:59,178 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:59,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:59,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1943850388, now seen corresponding path program 1 times [2019-11-25 08:56:59,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:59,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071730910] [2019-11-25 08:56:59,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:59,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071730910] [2019-11-25 08:56:59,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:59,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:56:59,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662011296] [2019-11-25 08:56:59,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:56:59,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:59,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:56:59,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:59,242 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2019-11-25 08:56:59,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:59,277 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2019-11-25 08:56:59,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:56:59,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-25 08:56:59,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:59,280 INFO L225 Difference]: With dead ends: 359 [2019-11-25 08:56:59,280 INFO L226 Difference]: Without dead ends: 212 [2019-11-25 08:56:59,281 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-25 08:56:59,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-11-25 08:56:59,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-11-25 08:56:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2019-11-25 08:56:59,321 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2019-11-25 08:56:59,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:59,321 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2019-11-25 08:56:59,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:56:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2019-11-25 08:56:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:56:59,324 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:59,324 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:59,325 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:59,325 INFO L82 PathProgramCache]: Analyzing trace with hash 955170732, now seen corresponding path program 1 times [2019-11-25 08:56:59,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:59,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657750626] [2019-11-25 08:56:59,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:59,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657750626] [2019-11-25 08:56:59,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:59,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:56:59,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863114999] [2019-11-25 08:56:59,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:56:59,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:59,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:56:59,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:56:59,440 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 6 states. [2019-11-25 08:56:59,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:59,704 INFO L93 Difference]: Finished difference Result 821 states and 1109 transitions. [2019-11-25 08:56:59,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:56:59,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-25 08:56:59,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:59,709 INFO L225 Difference]: With dead ends: 821 [2019-11-25 08:56:59,709 INFO L226 Difference]: Without dead ends: 674 [2019-11-25 08:56:59,711 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:56:59,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-11-25 08:56:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 305. [2019-11-25 08:56:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-11-25 08:56:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 398 transitions. [2019-11-25 08:56:59,749 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 398 transitions. Word has length 35 [2019-11-25 08:56:59,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:59,750 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 398 transitions. [2019-11-25 08:56:59,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:56:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2019-11-25 08:56:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-25 08:56:59,751 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:59,752 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:59,752 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:59,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:59,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1911482104, now seen corresponding path program 1 times [2019-11-25 08:56:59,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:59,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288249351] [2019-11-25 08:56:59,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-25 08:56:59,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288249351] [2019-11-25 08:56:59,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:59,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:56:59,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256132733] [2019-11-25 08:56:59,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:56:59,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:56:59,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:56:59,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:59,807 INFO L87 Difference]: Start difference. First operand 305 states and 398 transitions. Second operand 3 states. [2019-11-25 08:56:59,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:59,871 INFO L93 Difference]: Finished difference Result 523 states and 682 transitions. [2019-11-25 08:56:59,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:56:59,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-25 08:56:59,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:59,873 INFO L225 Difference]: With dead ends: 523 [2019-11-25 08:56:59,874 INFO L226 Difference]: Without dead ends: 225 [2019-11-25 08:56:59,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:56:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-11-25 08:56:59,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2019-11-25 08:56:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-11-25 08:56:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 282 transitions. [2019-11-25 08:56:59,897 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 282 transitions. Word has length 55 [2019-11-25 08:56:59,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:59,898 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 282 transitions. [2019-11-25 08:56:59,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:56:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 282 transitions. [2019-11-25 08:56:59,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 08:56:59,899 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:56:59,899 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:56:59,899 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:56:59,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:59,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1510184545, now seen corresponding path program 1 times [2019-11-25 08:56:59,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:59,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134937360] [2019-11-25 08:56:59,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:59,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134937360] [2019-11-25 08:56:59,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389111173] [2019-11-25 08:56:59,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:57:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:00,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:57:00,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:00,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:57:00,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-11-25 08:57:00,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65995169] [2019-11-25 08:57:00,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 08:57:00,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:00,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 08:57:00,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:57:00,164 INFO L87 Difference]: Start difference. First operand 219 states and 282 transitions. Second operand 9 states. [2019-11-25 08:57:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:00,418 INFO L93 Difference]: Finished difference Result 439 states and 577 transitions. [2019-11-25 08:57:00,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:57:00,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-11-25 08:57:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:00,420 INFO L225 Difference]: With dead ends: 439 [2019-11-25 08:57:00,420 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:57:00,421 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-25 08:57:00,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:57:00,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:57:00,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:57:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:57:00,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-11-25 08:57:00,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:00,423 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:00,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 08:57:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:57:00,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:57:00,626 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:57:00,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:57:01,483 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2019-11-25 08:57:01,703 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 32 [2019-11-25 08:57:01,856 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 10 [2019-11-25 08:57:02,059 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2019-11-25 08:57:02,336 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-11-25 08:57:02,649 WARN L192 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2019-11-25 08:57:02,927 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2019-11-25 08:57:03,173 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2019-11-25 08:57:03,473 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2019-11-25 08:57:03,728 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-11-25 08:57:03,754 INFO L444 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-11-25 08:57:03,754 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-11-25 08:57:03,754 INFO L444 ceAbstractionStarter]: For program point L729-2(lines 729 735) no Hoare annotation was computed. [2019-11-25 08:57:03,754 INFO L444 ceAbstractionStarter]: For program point L729-4(lines 729 735) no Hoare annotation was computed. [2019-11-25 08:57:03,754 INFO L444 ceAbstractionStarter]: For program point L300(lines 300 315) no Hoare annotation was computed. [2019-11-25 08:57:03,755 INFO L440 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-25 08:57:03,755 INFO L440 ceAbstractionStarter]: At program point L70-1(lines 70 76) the Hoare annotation is: false [2019-11-25 08:57:03,755 INFO L440 ceAbstractionStarter]: At program point L70-2(lines 70 76) the Hoare annotation is: false [2019-11-25 08:57:03,755 INFO L444 ceAbstractionStarter]: For program point L896(lines 896 900) no Hoare annotation was computed. [2019-11-25 08:57:03,755 INFO L444 ceAbstractionStarter]: For program point L896-3(lines 896 900) no Hoare annotation was computed. [2019-11-25 08:57:03,755 INFO L444 ceAbstractionStarter]: For program point L896-6(lines 896 900) no Hoare annotation was computed. [2019-11-25 08:57:03,755 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-11-25 08:57:03,755 INFO L440 ceAbstractionStarter]: At program point L237-1(lines 237 243) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:57:03,755 INFO L444 ceAbstractionStarter]: For program point L832(lines 832 839) no Hoare annotation was computed. [2019-11-25 08:57:03,756 INFO L447 ceAbstractionStarter]: At program point L832-1(lines 832 839) the Hoare annotation is: true [2019-11-25 08:57:03,756 INFO L444 ceAbstractionStarter]: For program point L271(lines 270 319) no Hoare annotation was computed. [2019-11-25 08:57:03,756 INFO L440 ceAbstractionStarter]: At program point L965(lines 960 968) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-25 08:57:03,756 INFO L440 ceAbstractionStarter]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2019-11-25 08:57:03,756 INFO L440 ceAbstractionStarter]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2019-11-25 08:57:03,756 INFO L444 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-11-25 08:57:03,756 INFO L440 ceAbstractionStarter]: At program point L933(lines 928 936) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:57:03,756 INFO L440 ceAbstractionStarter]: At program point L933-1(lines 928 936) the Hoare annotation is: false [2019-11-25 08:57:03,757 INFO L440 ceAbstractionStarter]: At program point L933-2(lines 928 936) the Hoare annotation is: false [2019-11-25 08:57:03,757 INFO L440 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse1 .cse6 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse1 .cse6 .cse3))) [2019-11-25 08:57:03,757 INFO L440 ceAbstractionStarter]: At program point L174-1(lines 169 177) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-25 08:57:03,757 INFO L440 ceAbstractionStarter]: At program point L174-2(lines 169 177) the Hoare annotation is: false [2019-11-25 08:57:03,757 INFO L440 ceAbstractionStarter]: At program point L174-3(lines 169 177) the Hoare annotation is: false [2019-11-25 08:57:03,757 INFO L440 ceAbstractionStarter]: At program point L174-4(lines 169 177) the Hoare annotation is: false [2019-11-25 08:57:03,757 INFO L440 ceAbstractionStarter]: At program point L174-5(lines 169 177) the Hoare annotation is: false [2019-11-25 08:57:03,758 INFO L440 ceAbstractionStarter]: At program point L703(lines 698 705) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:57:03,758 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-11-25 08:57:03,758 INFO L444 ceAbstractionStarter]: For program point L308(lines 308 314) no Hoare annotation was computed. [2019-11-25 08:57:03,758 INFO L440 ceAbstractionStarter]: At program point L308-1(lines 1 982) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3))) [2019-11-25 08:57:03,758 INFO L440 ceAbstractionStarter]: At program point L805(lines 801 807) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:57:03,758 INFO L444 ceAbstractionStarter]: For program point L973(lines 973 979) no Hoare annotation was computed. [2019-11-25 08:57:03,758 INFO L444 ceAbstractionStarter]: For program point L973-1(lines 973 979) no Hoare annotation was computed. [2019-11-25 08:57:03,758 INFO L444 ceAbstractionStarter]: For program point L973-2(lines 973 979) no Hoare annotation was computed. [2019-11-25 08:57:03,758 INFO L444 ceAbstractionStarter]: For program point L973-3(lines 973 979) no Hoare annotation was computed. [2019-11-25 08:57:03,759 INFO L444 ceAbstractionStarter]: For program point L973-4(lines 973 979) no Hoare annotation was computed. [2019-11-25 08:57:03,759 INFO L447 ceAbstractionStarter]: At program point L841(lines 822 844) the Hoare annotation is: true [2019-11-25 08:57:03,759 INFO L444 ceAbstractionStarter]: For program point L973-5(lines 973 979) no Hoare annotation was computed. [2019-11-25 08:57:03,759 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 286) no Hoare annotation was computed. [2019-11-25 08:57:03,759 INFO L440 ceAbstractionStarter]: At program point L280-1(lines 280 286) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3))) [2019-11-25 08:57:03,759 INFO L444 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-11-25 08:57:03,759 INFO L440 ceAbstractionStarter]: At program point L877(lines 1 982) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:57:03,760 INFO L440 ceAbstractionStarter]: At program point L713(lines 63 69) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-25 08:57:03,760 INFO L440 ceAbstractionStarter]: At program point L713-1(lines 63 69) the Hoare annotation is: false [2019-11-25 08:57:03,760 INFO L440 ceAbstractionStarter]: At program point L713-2(lines 63 69) the Hoare annotation is: false [2019-11-25 08:57:03,760 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:57:03,760 INFO L440 ceAbstractionStarter]: At program point L978(lines 969 982) the Hoare annotation is: false [2019-11-25 08:57:03,760 INFO L440 ceAbstractionStarter]: At program point L978-1(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-11-25 08:57:03,760 INFO L440 ceAbstractionStarter]: At program point L978-2(lines 969 982) the Hoare annotation is: false [2019-11-25 08:57:03,760 INFO L440 ceAbstractionStarter]: At program point L978-3(lines 969 982) the Hoare annotation is: false [2019-11-25 08:57:03,760 INFO L440 ceAbstractionStarter]: At program point L978-4(lines 969 982) the Hoare annotation is: false [2019-11-25 08:57:03,761 INFO L440 ceAbstractionStarter]: At program point L978-5(lines 969 982) the Hoare annotation is: false [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L121-1(lines 121 138) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L121-2(lines 121 138) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L440 ceAbstractionStarter]: At program point L320(lines 269 321) the Hoare annotation is: false [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L850-2(line 850) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,761 INFO L444 ceAbstractionStarter]: For program point L223-3(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-5(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-6(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-8(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-9(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-11(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-12(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-14(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-15(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L223-17(lines 223 227) no Hoare annotation was computed. [2019-11-25 08:57:03,762 INFO L444 ceAbstractionStarter]: For program point L290(lines 290 296) no Hoare annotation was computed. [2019-11-25 08:57:03,763 INFO L440 ceAbstractionStarter]: At program point L290-1(lines 290 296) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3))) [2019-11-25 08:57:03,763 INFO L444 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-11-25 08:57:03,763 INFO L444 ceAbstractionStarter]: For program point L125-1(lines 125 133) no Hoare annotation was computed. [2019-11-25 08:57:03,763 INFO L444 ceAbstractionStarter]: For program point L125-2(lines 125 133) no Hoare annotation was computed. [2019-11-25 08:57:03,763 INFO L440 ceAbstractionStarter]: At program point L885(lines 880 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:57:03,763 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:57:03,763 INFO L444 ceAbstractionStarter]: For program point L920(lines 920 924) no Hoare annotation was computed. [2019-11-25 08:57:03,763 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-11-25 08:57:03,763 INFO L444 ceAbstractionStarter]: For program point L95-1(lines 95 112) no Hoare annotation was computed. [2019-11-25 08:57:03,763 INFO L444 ceAbstractionStarter]: For program point L95-2(lines 95 112) no Hoare annotation was computed. [2019-11-25 08:57:03,764 INFO L444 ceAbstractionStarter]: For program point L95-3(lines 95 112) no Hoare annotation was computed. [2019-11-25 08:57:03,764 INFO L444 ceAbstractionStarter]: For program point L95-4(lines 95 112) no Hoare annotation was computed. [2019-11-25 08:57:03,764 INFO L444 ceAbstractionStarter]: For program point L95-5(lines 95 112) no Hoare annotation was computed. [2019-11-25 08:57:03,764 INFO L440 ceAbstractionStarter]: At program point L63(lines 59 81) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-25 08:57:03,764 INFO L440 ceAbstractionStarter]: At program point L63-1(lines 59 81) the Hoare annotation is: false [2019-11-25 08:57:03,764 INFO L440 ceAbstractionStarter]: At program point L63-2(lines 59 81) the Hoare annotation is: false [2019-11-25 08:57:03,764 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 741) no Hoare annotation was computed. [2019-11-25 08:57:03,764 INFO L440 ceAbstractionStarter]: At program point L724-1(lines 1 982) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)))) [2019-11-25 08:57:03,765 INFO L440 ceAbstractionStarter]: At program point L757-2(lines 757 771) the Hoare annotation is: false [2019-11-25 08:57:03,765 INFO L444 ceAbstractionStarter]: For program point L724-2(lines 724 741) no Hoare annotation was computed. [2019-11-25 08:57:03,765 INFO L440 ceAbstractionStarter]: At program point L724-3(lines 1 982) the Hoare annotation is: false [2019-11-25 08:57:03,765 INFO L444 ceAbstractionStarter]: For program point L724-4(lines 724 741) no Hoare annotation was computed. [2019-11-25 08:57:03,765 INFO L440 ceAbstractionStarter]: At program point L724-5(lines 1 982) the Hoare annotation is: false [2019-11-25 08:57:03,765 INFO L440 ceAbstractionStarter]: At program point L229(lines 214 232) the Hoare annotation is: false [2019-11-25 08:57:03,765 INFO L440 ceAbstractionStarter]: At program point L229-1(lines 214 232) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2 .cse3))) [2019-11-25 08:57:03,765 INFO L440 ceAbstractionStarter]: At program point L229-2(lines 214 232) the Hoare annotation is: false [2019-11-25 08:57:03,765 INFO L440 ceAbstractionStarter]: At program point L229-3(lines 214 232) the Hoare annotation is: false [2019-11-25 08:57:03,766 INFO L440 ceAbstractionStarter]: At program point L229-4(lines 214 232) the Hoare annotation is: false [2019-11-25 08:57:03,766 INFO L440 ceAbstractionStarter]: At program point L229-5(lines 214 232) the Hoare annotation is: false [2019-11-25 08:57:03,766 INFO L444 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-11-25 08:57:03,766 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:57:03,766 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-11-25 08:57:03,766 INFO L440 ceAbstractionStarter]: At program point L165(lines 158 168) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:57:03,766 INFO L440 ceAbstractionStarter]: At program point L165-1(lines 158 168) the Hoare annotation is: false [2019-11-25 08:57:03,766 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-11-25 08:57:03,766 INFO L440 ceAbstractionStarter]: At program point L165-2(lines 158 168) the Hoare annotation is: false [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 99 107) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L99-2(lines 99 107) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L99-3(lines 99 107) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L99-4(lines 99 107) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L99-5(lines 99 107) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L728(lines 728 738) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L761-1(lines 761 765) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L728-2(lines 728 738) no Hoare annotation was computed. [2019-11-25 08:57:03,767 INFO L444 ceAbstractionStarter]: For program point L728-4(lines 728 738) no Hoare annotation was computed. [2019-11-25 08:57:03,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:57:03 BoogieIcfgContainer [2019-11-25 08:57:03,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:57:03,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:03,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:03,799 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:03,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:57" (3/4) ... [2019-11-25 08:57:03,804 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:57:03,830 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:57:03,831 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:57:03,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:57:03,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:57:03,835 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:57:03,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:57:03,838 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:57:03,869 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) [2019-11-25 08:57:03,870 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-25 08:57:03,870 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-25 08:57:03,871 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-25 08:57:03,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-25 08:57:03,873 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-25 08:57:03,873 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-25 08:57:03,874 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-25 08:57:03,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-25 08:57:03,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-25 08:57:03,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-25 08:57:03,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:57:03,880 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-25 08:57:03,882 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:57:03,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9aa91f2c-6f6a-4cde-8506-5b88cc7b4cd4/bin/uautomizer/witness.graphml [2019-11-25 08:57:03,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:03,994 INFO L168 Benchmark]: Toolchain (without parser) took 8006.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:03,994 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:03,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -222.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:03,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:03,995 INFO L168 Benchmark]: Boogie Preprocessor took 44.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:03,995 INFO L168 Benchmark]: RCFGBuilder took 868.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:03,996 INFO L168 Benchmark]: TraceAbstraction took 6277.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 231.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:03,996 INFO L168 Benchmark]: Witness Printer took 194.15 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:03,998 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 550.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -222.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 868.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6277.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 231.6 MB. Max. memory is 11.5 GB. * Witness Printer took 194.15 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 850]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 850]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 850]: 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: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Result: SAFE, OverallTime: 6.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, HoareTripleCheckerStatistics: 1166 SDtfs, 1154 SDslu, 1504 SDs, 0 SdLazy, 264 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 741 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 177 NumberOfFragments, 800 HoareAnnotationTreeSize, 51 FomulaSimplifications, 60019 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 51 FomulaSimplificationsInter, 14331 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 31417 SizeOfPredicates, 4 NumberOfNonLiveVariables, 420 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 38/48 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...