./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/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 484c358b13fd8def6bfbf41b26d96fd32414391c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:56:08,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:56:08,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:56:08,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:56:08,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:56:08,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:56:08,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:56:08,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:56:08,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:56:08,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:56:08,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:56:08,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:56:08,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:56:08,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:56:08,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:56:08,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:56:08,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:56:08,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:56:08,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:56:08,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:56:08,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:56:08,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:56:08,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:56:08,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:56:08,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:56:08,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:56:08,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:56:08,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:56:08,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:56:08,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:56:08,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:56:08,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:56:08,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:56:08,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:56:08,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:56:08,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:56:08,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:56:08,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:56:08,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:56:08,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:56:08,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:56:08,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:56:08,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:56:08,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:56:08,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:56:08,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:56:08,253 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:56:08,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:56:08,254 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:56:08,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:56:08,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:56:08,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:56:08,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:56:08,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:56:08,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:56:08,255 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:56:08,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:56:08,255 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:56:08,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:56:08,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:56:08,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:56:08,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:56:08,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:56:08,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:56:08,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:56:08,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:56:08,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:56:08,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:56:08,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:56:08,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:56:08,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:56:08,257 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_34282398-1f19-42fa-a7b4-b068289d7e45/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 -> 484c358b13fd8def6bfbf41b26d96fd32414391c [2019-12-07 11:56:08,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:56:08,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:56:08,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:56:08,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:56:08,377 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:56:08,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2019-12-07 11:56:08,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/data/2a2175a8a/9f76358eceb143089a8573b7d26cf8ea/FLAG09e15a30e [2019-12-07 11:56:08,941 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:56:08,942 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2019-12-07 11:56:08,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/data/2a2175a8a/9f76358eceb143089a8573b7d26cf8ea/FLAG09e15a30e [2019-12-07 11:56:09,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/data/2a2175a8a/9f76358eceb143089a8573b7d26cf8ea [2019-12-07 11:56:09,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:56:09,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:56:09,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:56:09,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:56:09,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:56:09,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c18d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09, skipping insertion in model container [2019-12-07 11:56:09,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:56:09,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:56:09,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:56:09,664 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:56:09,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:56:09,733 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:56:09,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09 WrapperNode [2019-12-07 11:56:09,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:56:09,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:56:09,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:56:09,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:56:09,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:56:09,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:56:09,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:56:09,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:56:09,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... [2019-12-07 11:56:09,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:56:09,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:56:09,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:56:09,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:56:09,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/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 [2019-12-07 11:56:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:56:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:56:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:56:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:56:10,350 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:56:10,351 INFO L287 CfgBuilder]: Removed 208 assume(true) statements. [2019-12-07 11:56:10,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:56:10 BoogieIcfgContainer [2019-12-07 11:56:10,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:56:10,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:56:10,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:56:10,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:56:10,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:56:09" (1/3) ... [2019-12-07 11:56:10,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bde67f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:56:10, skipping insertion in model container [2019-12-07 11:56:10,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:09" (2/3) ... [2019-12-07 11:56:10,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bde67f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:56:10, skipping insertion in model container [2019-12-07 11:56:10,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:56:10" (3/3) ... [2019-12-07 11:56:10,356 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2019-12-07 11:56:10,363 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:56:10,368 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 11:56:10,376 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 11:56:10,392 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:56:10,393 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:56:10,393 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:56:10,393 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:56:10,393 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:56:10,393 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:56:10,393 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:56:10,393 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:56:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-12-07 11:56:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 11:56:10,410 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:10,410 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:56:10,411 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:10,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:10,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1244104416, now seen corresponding path program 1 times [2019-12-07 11:56:10,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:10,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000098638] [2019-12-07 11:56:10,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:10,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000098638] [2019-12-07 11:56:10,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:10,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:56:10,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202891773] [2019-12-07 11:56:10,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:56:10,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:10,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:56:10,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:56:10,592 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2019-12-07 11:56:10,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:10,615 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2019-12-07 11:56:10,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:56:10,616 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 11:56:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:10,624 INFO L225 Difference]: With dead ends: 269 [2019-12-07 11:56:10,624 INFO L226 Difference]: Without dead ends: 134 [2019-12-07 11:56:10,627 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 [2019-12-07 11:56:10,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-12-07 11:56:10,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-12-07 11:56:10,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-12-07 11:56:10,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2019-12-07 11:56:10,659 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2019-12-07 11:56:10,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:10,659 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2019-12-07 11:56:10,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:56:10,659 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2019-12-07 11:56:10,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 11:56:10,660 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:10,660 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] [2019-12-07 11:56:10,660 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:10,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:10,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1970722193, now seen corresponding path program 1 times [2019-12-07 11:56:10,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:10,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831339826] [2019-12-07 11:56:10,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:10,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831339826] [2019-12-07 11:56:10,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:10,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:56:10,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107292564] [2019-12-07 11:56:10,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:56:10,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:56:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:56:10,721 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2019-12-07 11:56:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:10,730 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2019-12-07 11:56:10,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:56:10,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 11:56:10,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:10,731 INFO L225 Difference]: With dead ends: 134 [2019-12-07 11:56:10,731 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 11:56:10,732 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 [2019-12-07 11:56:10,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 11:56:10,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 11:56:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 11:56:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-12-07 11:56:10,737 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2019-12-07 11:56:10,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:10,737 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-12-07 11:56:10,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:56:10,737 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-12-07 11:56:10,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 11:56:10,738 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:10,738 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] [2019-12-07 11:56:10,738 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:10,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:10,738 INFO L82 PathProgramCache]: Analyzing trace with hash -739575047, now seen corresponding path program 1 times [2019-12-07 11:56:10,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:10,738 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545856032] [2019-12-07 11:56:10,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:10,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:10,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545856032] [2019-12-07 11:56:10,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:10,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:56:10,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071210547] [2019-12-07 11:56:10,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:56:10,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:10,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:56:10,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:56:10,785 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-12-07 11:56:10,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:10,806 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2019-12-07 11:56:10,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:56:10,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 11:56:10,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:10,807 INFO L225 Difference]: With dead ends: 103 [2019-12-07 11:56:10,807 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 11:56:10,808 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 [2019-12-07 11:56:10,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 11:56:10,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 11:56:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 11:56:10,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2019-12-07 11:56:10,814 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2019-12-07 11:56:10,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:10,814 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2019-12-07 11:56:10,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:56:10,814 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-12-07 11:56:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 11:56:10,815 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:10,815 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] [2019-12-07 11:56:10,816 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:10,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:10,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1972933051, now seen corresponding path program 1 times [2019-12-07 11:56:10,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:10,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301680515] [2019-12-07 11:56:10,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:10,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301680515] [2019-12-07 11:56:10,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:10,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:56:10,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335866328] [2019-12-07 11:56:10,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:56:10,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:10,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:56:10,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:56:10,863 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2019-12-07 11:56:10,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:10,892 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2019-12-07 11:56:10,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:56:10,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 11:56:10,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:10,894 INFO L225 Difference]: With dead ends: 127 [2019-12-07 11:56:10,894 INFO L226 Difference]: Without dead ends: 79 [2019-12-07 11:56:10,895 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 [2019-12-07 11:56:10,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-12-07 11:56:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-12-07 11:56:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 11:56:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-12-07 11:56:10,903 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2019-12-07 11:56:10,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:10,903 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-12-07 11:56:10,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:56:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-12-07 11:56:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 11:56:10,904 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:10,904 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] [2019-12-07 11:56:10,905 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:10,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:10,905 INFO L82 PathProgramCache]: Analyzing trace with hash -2138258297, now seen corresponding path program 1 times [2019-12-07 11:56:10,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:10,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519046034] [2019-12-07 11:56:10,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:10,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519046034] [2019-12-07 11:56:10,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:10,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:56:10,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639397852] [2019-12-07 11:56:10,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:56:10,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:10,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:56:10,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:56:10,964 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-12-07 11:56:11,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:11,045 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2019-12-07 11:56:11,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:56:11,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 11:56:11,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:11,047 INFO L225 Difference]: With dead ends: 260 [2019-12-07 11:56:11,047 INFO L226 Difference]: Without dead ends: 190 [2019-12-07 11:56:11,047 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 [2019-12-07 11:56:11,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-12-07 11:56:11,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-12-07 11:56:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 11:56:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2019-12-07 11:56:11,056 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2019-12-07 11:56:11,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:11,056 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2019-12-07 11:56:11,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:56:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2019-12-07 11:56:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 11:56:11,057 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:11,057 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, 1, 1] [2019-12-07 11:56:11,057 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:11,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:11,058 INFO L82 PathProgramCache]: Analyzing trace with hash 760139958, now seen corresponding path program 1 times [2019-12-07 11:56:11,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:11,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947737482] [2019-12-07 11:56:11,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:11,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947737482] [2019-12-07 11:56:11,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:11,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:56:11,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740248366] [2019-12-07 11:56:11,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:56:11,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:11,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:56:11,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:56:11,103 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2019-12-07 11:56:11,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:11,157 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2019-12-07 11:56:11,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:56:11,158 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 11:56:11,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:11,159 INFO L225 Difference]: With dead ends: 194 [2019-12-07 11:56:11,159 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 11:56:11,160 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 [2019-12-07 11:56:11,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 11:56:11,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2019-12-07 11:56:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-12-07 11:56:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2019-12-07 11:56:11,170 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2019-12-07 11:56:11,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:11,170 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2019-12-07 11:56:11,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:56:11,171 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2019-12-07 11:56:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 11:56:11,172 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:11,172 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, 1, 1] [2019-12-07 11:56:11,172 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:11,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:11,172 INFO L82 PathProgramCache]: Analyzing trace with hash -250977292, now seen corresponding path program 1 times [2019-12-07 11:56:11,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:11,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138422507] [2019-12-07 11:56:11,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:11,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138422507] [2019-12-07 11:56:11,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:11,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:56:11,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122247482] [2019-12-07 11:56:11,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:56:11,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:11,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:56:11,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:56:11,211 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2019-12-07 11:56:11,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:11,249 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2019-12-07 11:56:11,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:56:11,250 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-12-07 11:56:11,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:11,251 INFO L225 Difference]: With dead ends: 189 [2019-12-07 11:56:11,251 INFO L226 Difference]: Without dead ends: 114 [2019-12-07 11:56:11,251 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 [2019-12-07 11:56:11,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-12-07 11:56:11,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2019-12-07 11:56:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-12-07 11:56:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2019-12-07 11:56:11,259 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2019-12-07 11:56:11,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:11,259 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2019-12-07 11:56:11,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:56:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2019-12-07 11:56:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 11:56:11,260 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:11,260 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, 1, 1] [2019-12-07 11:56:11,261 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:11,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:11,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1272045646, now seen corresponding path program 1 times [2019-12-07 11:56:11,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:11,261 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901982908] [2019-12-07 11:56:11,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:11,293 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901982908] [2019-12-07 11:56:11,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:11,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:56:11,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855863624] [2019-12-07 11:56:11,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:56:11,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:11,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:56:11,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:56:11,295 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2019-12-07 11:56:11,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:11,317 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2019-12-07 11:56:11,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:56:11,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-12-07 11:56:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:11,319 INFO L225 Difference]: With dead ends: 193 [2019-12-07 11:56:11,319 INFO L226 Difference]: Without dead ends: 114 [2019-12-07 11:56:11,320 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 [2019-12-07 11:56:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-12-07 11:56:11,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-12-07 11:56:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-12-07 11:56:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2019-12-07 11:56:11,328 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2019-12-07 11:56:11,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:11,328 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2019-12-07 11:56:11,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:56:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2019-12-07 11:56:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 11:56:11,329 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:11,329 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, 1, 1, 1] [2019-12-07 11:56:11,329 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:11,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:11,330 INFO L82 PathProgramCache]: Analyzing trace with hash 263752306, now seen corresponding path program 1 times [2019-12-07 11:56:11,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:11,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270202794] [2019-12-07 11:56:11,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:11,402 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270202794] [2019-12-07 11:56:11,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:11,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 11:56:11,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751176891] [2019-12-07 11:56:11,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:56:11,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:11,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:56:11,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:56:11,403 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 6 states. [2019-12-07 11:56:11,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:11,533 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2019-12-07 11:56:11,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:56:11,533 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-12-07 11:56:11,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:11,535 INFO L225 Difference]: With dead ends: 429 [2019-12-07 11:56:11,535 INFO L226 Difference]: Without dead ends: 350 [2019-12-07 11:56:11,536 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:56:11,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-07 11:56:11,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 159. [2019-12-07 11:56:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-12-07 11:56:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 204 transitions. [2019-12-07 11:56:11,547 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 204 transitions. Word has length 38 [2019-12-07 11:56:11,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:11,547 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 204 transitions. [2019-12-07 11:56:11,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:56:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2019-12-07 11:56:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-07 11:56:11,548 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:56:11,549 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, 1, 1, 1] [2019-12-07 11:56:11,549 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:56:11,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:11,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1200946429, now seen corresponding path program 1 times [2019-12-07 11:56:11,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:11,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142259663] [2019-12-07 11:56:11,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:11,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142259663] [2019-12-07 11:56:11,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558706369] [2019-12-07 11:56:11,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/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 [2019-12-07 11:56:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:11,687 INFO L264 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:56:11,694 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:11,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 11:56:11,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-12-07 11:56:11,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088566053] [2019-12-07 11:56:11,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 11:56:11,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:11,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 11:56:11,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:56:11,736 INFO L87 Difference]: Start difference. First operand 159 states and 204 transitions. Second operand 9 states. [2019-12-07 11:56:11,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:11,868 INFO L93 Difference]: Finished difference Result 317 states and 423 transitions. [2019-12-07 11:56:11,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:56:11,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-12-07 11:56:11,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:56:11,869 INFO L225 Difference]: With dead ends: 317 [2019-12-07 11:56:11,869 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:56:11,870 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-12-07 11:56:11,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:56:11,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:56:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:56:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:56:11,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-12-07 11:56:11,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:56:11,871 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:56:11,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 11:56:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:56:11,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:56:12,071 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:56:12,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:56:12,480 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2019-12-07 11:56:12,739 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-12-07 11:56:12,864 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-12-07 11:56:13,278 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-12-07 11:56:13,306 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-12-07 11:56:13,306 INFO L246 CegarLoopResult]: For program point L597(lines 597 601) no Hoare annotation was computed. [2019-12-07 11:56:13,306 INFO L246 CegarLoopResult]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,306 INFO L246 CegarLoopResult]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,306 INFO L246 CegarLoopResult]: For program point L895-3(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,306 INFO L246 CegarLoopResult]: For program point L895-5(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,306 INFO L246 CegarLoopResult]: For program point L895-6(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,306 INFO L246 CegarLoopResult]: For program point L895-8(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L246 CegarLoopResult]: For program point L895-9(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L246 CegarLoopResult]: For program point L895-11(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L246 CegarLoopResult]: For program point L895-12(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L246 CegarLoopResult]: For program point L895-14(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L246 CegarLoopResult]: For program point L895-15(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L246 CegarLoopResult]: For program point L895-17(lines 895 899) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L246 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L242 CegarLoopResult]: At program point L70-1(lines 1 979) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 11:56:13,307 INFO L246 CegarLoopResult]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2019-12-07 11:56:13,307 INFO L242 CegarLoopResult]: At program point L70-3(lines 1 979) the Hoare annotation is: false [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L962(lines 962 966) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L242 CegarLoopResult]: At program point L70-5(lines 1 979) the Hoare annotation is: false [2019-12-07 11:56:13,308 INFO L242 CegarLoopResult]: At program point L962-2(lines 962 966) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 11:56:13,308 INFO L242 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: false [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L700-2(line 700) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-12-07 11:56:13,308 INFO L246 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-12-07 11:56:13,309 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 11:56:13,309 INFO L246 CegarLoopResult]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-12-07 11:56:13,309 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-12-07 11:56:13,309 INFO L246 CegarLoopResult]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-12-07 11:56:13,309 INFO L246 CegarLoopResult]: For program point L934(lines 934 940) no Hoare annotation was computed. [2019-12-07 11:56:13,309 INFO L242 CegarLoopResult]: At program point L934-1(lines 934 940) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 11:56:13,309 INFO L242 CegarLoopResult]: At program point L901(lines 886 904) the Hoare annotation is: false [2019-12-07 11:56:13,309 INFO L242 CegarLoopResult]: At program point L901-1(lines 886 904) 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 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3))) [2019-12-07 11:56:13,309 INFO L242 CegarLoopResult]: At program point L901-2(lines 886 904) the Hoare annotation is: false [2019-12-07 11:56:13,309 INFO L242 CegarLoopResult]: At program point L901-3(lines 886 904) the Hoare annotation is: false [2019-12-07 11:56:13,309 INFO L242 CegarLoopResult]: At program point L901-4(lines 886 904) the Hoare annotation is: false [2019-12-07 11:56:13,309 INFO L242 CegarLoopResult]: At program point L901-5(lines 886 904) the Hoare annotation is: false [2019-12-07 11:56:13,310 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837(lines 830 840) 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)) [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837-1(lines 830 840) the Hoare annotation is: false [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837-2(lines 830 840) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837-3(lines 830 840) the Hoare annotation is: false [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837-4(lines 830 840) the Hoare annotation is: false [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837-5(lines 830 840) the Hoare annotation is: false [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837-6(lines 830 840) the Hoare annotation is: false [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837-7(lines 830 840) the Hoare annotation is: false [2019-12-07 11:56:13,310 INFO L246 CegarLoopResult]: For program point L573(lines 573 577) no Hoare annotation was computed. [2019-12-07 11:56:13,310 INFO L242 CegarLoopResult]: At program point L837-8(lines 830 840) the Hoare annotation is: false [2019-12-07 11:56:13,310 INFO L246 CegarLoopResult]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2019-12-07 11:56:13,311 INFO L246 CegarLoopResult]: For program point L573-6(lines 573 577) no Hoare annotation was computed. [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L972(lines 923 973) the Hoare annotation is: false [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L642(lines 637 645) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L642-1(lines 637 645) the Hoare annotation is: false [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L642-2(lines 637 645) the Hoare annotation is: false [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L610(lines 605 613) 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)) [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L610-1(lines 605 613) the Hoare annotation is: false [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L610-2(lines 605 613) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L610-3(lines 605 613) the Hoare annotation is: false [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L610-4(lines 605 613) the Hoare annotation is: false [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L610-5(lines 605 613) the Hoare annotation is: false [2019-12-07 11:56:13,311 INFO L242 CegarLoopResult]: At program point L610-6(lines 605 613) the Hoare annotation is: false [2019-12-07 11:56:13,312 INFO L242 CegarLoopResult]: At program point L610-7(lines 605 613) the Hoare annotation is: false [2019-12-07 11:56:13,312 INFO L242 CegarLoopResult]: At program point L610-8(lines 605 613) the Hoare annotation is: false [2019-12-07 11:56:13,312 INFO L242 CegarLoopResult]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L776(lines 776 793) no Hoare annotation was computed. [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L776-1(lines 776 793) no Hoare annotation was computed. [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L776-2(lines 776 793) no Hoare annotation was computed. [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-12-07 11:56:13,312 INFO L249 CegarLoopResult]: At program point L183-1(lines 183 190) the Hoare annotation is: true [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-12-07 11:56:13,312 INFO L242 CegarLoopResult]: At program point L944-1(lines 944 950) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L812-2(lines 812 818) no Hoare annotation was computed. [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L812-4(lines 812 818) no Hoare annotation was computed. [2019-12-07 11:56:13,312 INFO L246 CegarLoopResult]: For program point L812-6(lines 812 818) no Hoare annotation was computed. [2019-12-07 11:56:13,313 INFO L246 CegarLoopResult]: For program point L812-8(lines 812 818) no Hoare annotation was computed. [2019-12-07 11:56:13,313 INFO L246 CegarLoopResult]: For program point L812-10(lines 812 818) no Hoare annotation was computed. [2019-12-07 11:56:13,313 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:56:13,313 INFO L242 CegarLoopResult]: At program point L846(lines 841 849) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 .cse4 .cse2))) [2019-12-07 11:56:13,313 INFO L242 CegarLoopResult]: At program point L846-1(lines 841 849) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 11:56:13,313 INFO L246 CegarLoopResult]: For program point L780(lines 780 788) no Hoare annotation was computed. [2019-12-07 11:56:13,313 INFO L242 CegarLoopResult]: At program point L846-2(lines 841 849) the Hoare annotation is: false [2019-12-07 11:56:13,313 INFO L246 CegarLoopResult]: For program point L780-1(lines 780 788) no Hoare annotation was computed. [2019-12-07 11:56:13,313 INFO L242 CegarLoopResult]: At program point L846-3(lines 841 849) the Hoare annotation is: false [2019-12-07 11:56:13,313 INFO L242 CegarLoopResult]: At program point L846-4(lines 841 849) the Hoare annotation is: false [2019-12-07 11:56:13,313 INFO L246 CegarLoopResult]: For program point L780-2(lines 780 788) no Hoare annotation was computed. [2019-12-07 11:56:13,313 INFO L242 CegarLoopResult]: At program point L846-5(lines 841 849) the Hoare annotation is: false [2019-12-07 11:56:13,314 INFO L242 CegarLoopResult]: At program point L683(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L650-2(lines 650 656) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L650-3(lines 650 656) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L650-4(lines 650 656) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L650-5(lines 650 656) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L242 CegarLoopResult]: At program point L155(lines 151 157) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L750(lines 750 767) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L750-1(lines 750 767) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L750-2(lines 750 767) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L750-3(lines 750 767) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L750-4(lines 750 767) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-12-07 11:56:13,314 INFO L246 CegarLoopResult]: For program point L750-5(lines 750 767) no Hoare annotation was computed. [2019-12-07 11:56:13,315 INFO L242 CegarLoopResult]: At program point L718(lines 714 736) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 11:56:13,315 INFO L242 CegarLoopResult]: At program point L718-1(lines 714 736) the Hoare annotation is: false [2019-12-07 11:56:13,315 INFO L242 CegarLoopResult]: At program point L718-2(lines 714 736) the Hoare annotation is: false [2019-12-07 11:56:13,315 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:56:13,315 INFO L242 CegarLoopResult]: At program point L59(lines 718 724) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 11:56:13,315 INFO L242 CegarLoopResult]: At program point L59-1(lines 718 724) the Hoare annotation is: false [2019-12-07 11:56:13,315 INFO L242 CegarLoopResult]: At program point L59-2(lines 718 724) the Hoare annotation is: false [2019-12-07 11:56:13,315 INFO L249 CegarLoopResult]: At program point L192(lines 173 195) the Hoare annotation is: true [2019-12-07 11:56:13,315 INFO L246 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-12-07 11:56:13,315 INFO L246 CegarLoopResult]: For program point L754-1(lines 754 762) no Hoare annotation was computed. [2019-12-07 11:56:13,315 INFO L246 CegarLoopResult]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2019-12-07 11:56:13,315 INFO L242 CegarLoopResult]: At program point L655(lines 646 659) the Hoare annotation is: false [2019-12-07 11:56:13,316 INFO L246 CegarLoopResult]: For program point L754-3(lines 754 762) no Hoare annotation was computed. [2019-12-07 11:56:13,316 INFO L242 CegarLoopResult]: At program point L655-1(lines 646 659) 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))) [2019-12-07 11:56:13,316 INFO L246 CegarLoopResult]: For program point L754-4(lines 754 762) no Hoare annotation was computed. [2019-12-07 11:56:13,316 INFO L242 CegarLoopResult]: At program point L655-2(lines 646 659) the Hoare annotation is: false [2019-12-07 11:56:13,316 INFO L246 CegarLoopResult]: For program point L754-5(lines 754 762) no Hoare annotation was computed. [2019-12-07 11:56:13,316 INFO L242 CegarLoopResult]: At program point L655-3(lines 646 659) the Hoare annotation is: false [2019-12-07 11:56:13,316 INFO L242 CegarLoopResult]: At program point L655-4(lines 646 659) the Hoare annotation is: false [2019-12-07 11:56:13,316 INFO L242 CegarLoopResult]: At program point L655-5(lines 646 659) the Hoare annotation is: false [2019-12-07 11:56:13,316 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:56:13,316 INFO L246 CegarLoopResult]: For program point L954(lines 954 967) no Hoare annotation was computed. [2019-12-07 11:56:13,316 INFO L242 CegarLoopResult]: At program point L691(lines 686 694) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 11:56:13,316 INFO L242 CegarLoopResult]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2019-12-07 11:56:13,316 INFO L242 CegarLoopResult]: At program point L725-1(lines 725 731) the Hoare annotation is: false [2019-12-07 11:56:13,317 INFO L242 CegarLoopResult]: At program point L725-2(lines 725 731) the Hoare annotation is: false [2019-12-07 11:56:13,317 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:56:13,317 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-12-07 11:56:13,317 INFO L246 CegarLoopResult]: For program point L925(lines 924 971) no Hoare annotation was computed. [2019-12-07 11:56:13,317 INFO L246 CegarLoopResult]: For program point L926(lines 926 930) no Hoare annotation was computed. [2019-12-07 11:56:13,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:56:13 BoogieIcfgContainer [2019-12-07 11:56:13,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:56:13,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:56:13,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:56:13,339 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:56:13,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:56:10" (3/4) ... [2019-12-07 11:56:13,342 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:56:13,357 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 11:56:13,358 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 11:56:13,359 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 11:56:13,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:56:13,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:56:13,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:56:13,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:56:13,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 11:56:13,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 11:56:13,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 11:56:13,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 11:56:13,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((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) [2019-12-07 11:56:13,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 11:56:13,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 11:56:13,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-12-07 11:56:13,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((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) [2019-12-07 11:56:13,387 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-12-07 11:56:13,387 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-12-07 11:56:13,387 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) [2019-12-07 11:56:13,387 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-12-07 11:56:13,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 11:56:13,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_34282398-1f19-42fa-a7b4-b068289d7e45/bin/uautomizer/witness.graphml [2019-12-07 11:56:13,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:56:13,441 INFO L168 Benchmark]: Toolchain (without parser) took 4036.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 939.3 MB in the beginning and 923.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 179.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:13,441 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:56:13,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:13,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:13,442 INFO L168 Benchmark]: Boogie Preprocessor took 34.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:13,442 INFO L168 Benchmark]: RCFGBuilder took 535.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:13,442 INFO L168 Benchmark]: TraceAbstraction took 2986.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.0 GB in the beginning and 945.3 MB in the end (delta: 55.6 MB). Peak memory consumption was 178.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:13,443 INFO L168 Benchmark]: Witness Printer took 101.32 ms. Allocated memory is still 1.2 GB. Free memory was 945.3 MB in the beginning and 923.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:13,444 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 535.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2986.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.0 GB in the beginning and 945.3 MB in the end (delta: 55.6 MB). Peak memory consumption was 178.1 MB. Max. memory is 11.5 GB. * Witness Printer took 101.32 ms. Allocated memory is still 1.2 GB. Free memory was 945.3 MB in the beginning and 923.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 700]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 700]: 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: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: 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: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((((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: 714]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((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: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, HoareTripleCheckerStatistics: 1088 SDtfs, 1228 SDslu, 1260 SDs, 0 SdLazy, 227 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 378 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 145 NumberOfFragments, 693 HoareAnnotationTreeSize, 62 FomulaSimplifications, 26900 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6493 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 31937 SizeOfPredicates, 4 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...