./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 886805be526b2c7064fb4933bd9f3d8faf6b51bd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:47:16,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:47:16,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:47:16,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:47:16,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:47:16,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:47:16,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:47:16,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:47:16,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:47:16,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:47:16,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:47:16,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:47:16,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:47:16,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:47:16,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:47:16,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:47:16,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:47:16,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:47:16,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:47:16,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:47:16,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:47:16,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:47:16,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:47:16,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:47:16,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:47:16,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:47:16,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:47:16,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:47:16,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:47:16,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:47:16,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:47:16,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:47:16,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:47:16,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:47:16,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:47:16,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:47:16,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:47:16,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:47:16,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:47:16,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:47:16,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:47:16,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:47:16,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:47:16,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:47:16,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:47:16,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:47:16,389 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:47:16,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:47:16,390 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:47:16,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:47:16,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:47:16,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:47:16,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:47:16,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:47:16,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:47:16,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:47:16,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:47:16,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:47:16,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:47:16,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:47:16,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:47:16,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:47:16,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:47:16,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:47:16,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:47:16,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:47:16,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:47:16,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:47:16,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:47:16,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:47:16,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:47:16,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886805be526b2c7064fb4933bd9f3d8faf6b51bd [2020-11-30 00:47:16,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:47:16,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:47:16,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:47:16,757 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:47:16,759 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:47:16,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2020-11-30 00:47:16,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/data/dea575500/05d83347118c44b695a14f1ae4f2e5cd/FLAGa17f0dbfd [2020-11-30 00:47:17,380 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:47:17,381 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2020-11-30 00:47:17,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/data/dea575500/05d83347118c44b695a14f1ae4f2e5cd/FLAGa17f0dbfd [2020-11-30 00:47:17,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/data/dea575500/05d83347118c44b695a14f1ae4f2e5cd [2020-11-30 00:47:17,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:47:17,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:47:17,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:47:17,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:47:17,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:47:17,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:47:17" (1/1) ... [2020-11-30 00:47:17,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@879f308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:17, skipping insertion in model container [2020-11-30 00:47:17,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:47:17" (1/1) ... [2020-11-30 00:47:17,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:47:17,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:47:18,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:47:18,139 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:47:18,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:47:18,311 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:47:18,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18 WrapperNode [2020-11-30 00:47:18,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:47:18,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:47:18,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:47:18,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:47:18,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:47:18,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:47:18,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:47:18,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:47:18,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... [2020-11-30 00:47:18,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:47:18,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:47:18,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:47:18,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:47:18,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/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 [2020-11-30 00:47:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:47:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:47:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:47:18,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:47:19,514 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:47:19,517 INFO L298 CfgBuilder]: Removed 140 assume(true) statements. [2020-11-30 00:47:19,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:47:19 BoogieIcfgContainer [2020-11-30 00:47:19,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:47:19,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:47:19,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:47:19,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:47:19,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:47:17" (1/3) ... [2020-11-30 00:47:19,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ba0ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:47:19, skipping insertion in model container [2020-11-30 00:47:19,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:47:18" (2/3) ... [2020-11-30 00:47:19,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ba0ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:47:19, skipping insertion in model container [2020-11-30 00:47:19,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:47:19" (3/3) ... [2020-11-30 00:47:19,532 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-11-30 00:47:19,543 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:47:19,548 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:47:19,566 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:47:19,610 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:47:19,611 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:47:19,611 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:47:19,611 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:47:19,611 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:47:19,611 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:47:19,611 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:47:19,611 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:47:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-11-30 00:47:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:47:19,633 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:19,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:47:19,634 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:19,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:19,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1256465120, now seen corresponding path program 1 times [2020-11-30 00:47:19,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:19,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530533263] [2020-11-30 00:47:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:19,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530533263] [2020-11-30 00:47:19,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:19,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:47:19,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301443678] [2020-11-30 00:47:19,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:47:19,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:19,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:47:19,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:47:19,888 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2020-11-30 00:47:19,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:19,917 INFO L93 Difference]: Finished difference Result 192 states and 283 transitions. [2020-11-30 00:47:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:47:19,918 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-30 00:47:19,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:19,955 INFO L225 Difference]: With dead ends: 192 [2020-11-30 00:47:19,955 INFO L226 Difference]: Without dead ends: 94 [2020-11-30 00:47:19,958 INFO L677 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 [2020-11-30 00:47:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-11-30 00:47:19,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-11-30 00:47:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-11-30 00:47:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2020-11-30 00:47:20,004 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2020-11-30 00:47:20,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:20,006 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2020-11-30 00:47:20,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:47:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-11-30 00:47:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:47:20,010 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:20,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:47:20,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:47:20,011 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:20,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:20,014 INFO L82 PathProgramCache]: Analyzing trace with hash -152715745, now seen corresponding path program 1 times [2020-11-30 00:47:20,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:20,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596013433] [2020-11-30 00:47:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:20,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596013433] [2020-11-30 00:47:20,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:20,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:47:20,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780704918] [2020-11-30 00:47:20,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:47:20,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:20,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:47:20,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:47:20,210 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2020-11-30 00:47:20,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:20,227 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-11-30 00:47:20,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:47:20,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-30 00:47:20,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:20,229 INFO L225 Difference]: With dead ends: 94 [2020-11-30 00:47:20,231 INFO L226 Difference]: Without dead ends: 43 [2020-11-30 00:47:20,232 INFO L677 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 [2020-11-30 00:47:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-30 00:47:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-30 00:47:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-30 00:47:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-11-30 00:47:20,248 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2020-11-30 00:47:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:20,249 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-11-30 00:47:20,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:47:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-11-30 00:47:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:47:20,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:20,252 INFO L422 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] [2020-11-30 00:47:20,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:47:20,253 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:20,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:20,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1463825694, now seen corresponding path program 1 times [2020-11-30 00:47:20,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:20,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215309634] [2020-11-30 00:47:20,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:20,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215309634] [2020-11-30 00:47:20,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:20,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:47:20,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775468821] [2020-11-30 00:47:20,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:47:20,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:20,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:47:20,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:47:20,394 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-11-30 00:47:20,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:20,470 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-11-30 00:47:20,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:47:20,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-30 00:47:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:20,476 INFO L225 Difference]: With dead ends: 105 [2020-11-30 00:47:20,476 INFO L226 Difference]: Without dead ends: 69 [2020-11-30 00:47:20,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:47:20,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-30 00:47:20,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2020-11-30 00:47:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-30 00:47:20,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-11-30 00:47:20,488 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2020-11-30 00:47:20,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:20,488 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-11-30 00:47:20,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:47:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-11-30 00:47:20,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:47:20,490 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:20,490 INFO L422 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] [2020-11-30 00:47:20,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:47:20,491 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:20,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:20,492 INFO L82 PathProgramCache]: Analyzing trace with hash 419511483, now seen corresponding path program 1 times [2020-11-30 00:47:20,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:20,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44730374] [2020-11-30 00:47:20,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:20,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44730374] [2020-11-30 00:47:20,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:20,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:47:20,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797041715] [2020-11-30 00:47:20,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:47:20,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:20,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:47:20,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:47:20,571 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2020-11-30 00:47:20,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:20,622 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2020-11-30 00:47:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:47:20,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-30 00:47:20,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:20,624 INFO L225 Difference]: With dead ends: 147 [2020-11-30 00:47:20,624 INFO L226 Difference]: Without dead ends: 89 [2020-11-30 00:47:20,625 INFO L677 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 [2020-11-30 00:47:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-30 00:47:20,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-11-30 00:47:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-30 00:47:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-11-30 00:47:20,635 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2020-11-30 00:47:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:20,636 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-11-30 00:47:20,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:47:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-11-30 00:47:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:47:20,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:20,637 INFO L422 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] [2020-11-30 00:47:20,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:47:20,638 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:20,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:20,639 INFO L82 PathProgramCache]: Analyzing trace with hash -894632213, now seen corresponding path program 1 times [2020-11-30 00:47:20,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:20,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131193520] [2020-11-30 00:47:20,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:20,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131193520] [2020-11-30 00:47:20,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:20,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:47:20,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289094479] [2020-11-30 00:47:20,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:47:20,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:20,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:47:20,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:47:20,758 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2020-11-30 00:47:20,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:20,979 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2020-11-30 00:47:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:47:20,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-11-30 00:47:20,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:20,981 INFO L225 Difference]: With dead ends: 288 [2020-11-30 00:47:20,981 INFO L226 Difference]: Without dead ends: 208 [2020-11-30 00:47:20,982 INFO L677 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 [2020-11-30 00:47:20,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-11-30 00:47:21,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2020-11-30 00:47:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-30 00:47:21,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2020-11-30 00:47:21,002 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2020-11-30 00:47:21,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:21,002 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2020-11-30 00:47:21,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:47:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2020-11-30 00:47:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:47:21,009 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:21,009 INFO L422 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] [2020-11-30 00:47:21,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:47:21,009 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:21,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:21,010 INFO L82 PathProgramCache]: Analyzing trace with hash -855336384, now seen corresponding path program 1 times [2020-11-30 00:47:21,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:21,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36417691] [2020-11-30 00:47:21,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:21,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36417691] [2020-11-30 00:47:21,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:21,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:47:21,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48623107] [2020-11-30 00:47:21,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:47:21,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:21,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:47:21,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:47:21,118 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2020-11-30 00:47:21,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:21,180 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2020-11-30 00:47:21,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:47:21,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-30 00:47:21,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:21,186 INFO L225 Difference]: With dead ends: 251 [2020-11-30 00:47:21,187 INFO L226 Difference]: Without dead ends: 173 [2020-11-30 00:47:21,188 INFO L677 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 [2020-11-30 00:47:21,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-30 00:47:21,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2020-11-30 00:47:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-11-30 00:47:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2020-11-30 00:47:21,200 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2020-11-30 00:47:21,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:21,201 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2020-11-30 00:47:21,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:47:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2020-11-30 00:47:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:47:21,202 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:21,202 INFO L422 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] [2020-11-30 00:47:21,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:47:21,203 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:21,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:21,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1866453634, now seen corresponding path program 1 times [2020-11-30 00:47:21,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:21,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086873630] [2020-11-30 00:47:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:21,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086873630] [2020-11-30 00:47:21,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:21,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:47:21,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621030444] [2020-11-30 00:47:21,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:47:21,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:21,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:47:21,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:47:21,280 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 4 states. [2020-11-30 00:47:21,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:21,314 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2020-11-30 00:47:21,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:47:21,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-11-30 00:47:21,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:21,315 INFO L225 Difference]: With dead ends: 217 [2020-11-30 00:47:21,316 INFO L226 Difference]: Without dead ends: 136 [2020-11-30 00:47:21,316 INFO L677 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 [2020-11-30 00:47:21,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-11-30 00:47:21,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2020-11-30 00:47:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-11-30 00:47:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-11-30 00:47:21,336 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2020-11-30 00:47:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:21,338 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-11-30 00:47:21,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:47:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-11-30 00:47:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:47:21,340 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:21,340 INFO L422 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] [2020-11-30 00:47:21,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:47:21,341 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:21,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:21,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1407445308, now seen corresponding path program 1 times [2020-11-30 00:47:21,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:21,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271682058] [2020-11-30 00:47:21,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:21,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271682058] [2020-11-30 00:47:21,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:21,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:47:21,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922100791] [2020-11-30 00:47:21,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:47:21,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:21,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:47:21,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:47:21,417 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 3 states. [2020-11-30 00:47:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:21,446 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2020-11-30 00:47:21,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:47:21,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-30 00:47:21,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:21,448 INFO L225 Difference]: With dead ends: 222 [2020-11-30 00:47:21,448 INFO L226 Difference]: Without dead ends: 139 [2020-11-30 00:47:21,449 INFO L677 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 [2020-11-30 00:47:21,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-11-30 00:47:21,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-11-30 00:47:21,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-11-30 00:47:21,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2020-11-30 00:47:21,474 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2020-11-30 00:47:21,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:21,474 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2020-11-30 00:47:21,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:47:21,475 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2020-11-30 00:47:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 00:47:21,480 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:21,480 INFO L422 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] [2020-11-30 00:47:21,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:47:21,482 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:21,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:21,482 INFO L82 PathProgramCache]: Analyzing trace with hash -67033476, now seen corresponding path program 1 times [2020-11-30 00:47:21,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:21,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587528341] [2020-11-30 00:47:21,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:21,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587528341] [2020-11-30 00:47:21,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:47:21,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:47:21,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004356833] [2020-11-30 00:47:21,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:47:21,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:21,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:47:21,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:47:21,674 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 7 states. [2020-11-30 00:47:22,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:22,057 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2020-11-30 00:47:22,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:47:22,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-11-30 00:47:22,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:22,063 INFO L225 Difference]: With dead ends: 628 [2020-11-30 00:47:22,063 INFO L226 Difference]: Without dead ends: 545 [2020-11-30 00:47:22,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-11-30 00:47:22,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-11-30 00:47:22,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2020-11-30 00:47:22,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-11-30 00:47:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2020-11-30 00:47:22,105 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2020-11-30 00:47:22,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:22,106 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2020-11-30 00:47:22,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:47:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2020-11-30 00:47:22,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 00:47:22,106 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:47:22,107 INFO L422 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] [2020-11-30 00:47:22,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:47:22,107 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:47:22,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:47:22,108 INFO L82 PathProgramCache]: Analyzing trace with hash 569022082, now seen corresponding path program 1 times [2020-11-30 00:47:22,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:47:22,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304930741] [2020-11-30 00:47:22,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:47:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:22,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304930741] [2020-11-30 00:47:22,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123470602] [2020-11-30 00:47:22,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/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 [2020-11-30 00:47:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:47:22,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:47:22,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:47:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:47:22,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:47:22,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-30 00:47:22,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639863561] [2020-11-30 00:47:22,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 00:47:22,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:47:22,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 00:47:22,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:47:22,569 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand 8 states. [2020-11-30 00:47:22,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:47:22,829 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2020-11-30 00:47:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:47:22,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-11-30 00:47:22,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:47:22,831 INFO L225 Difference]: With dead ends: 459 [2020-11-30 00:47:22,831 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:47:22,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:47:22,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:47:22,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:47:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:47:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:47:22,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-11-30 00:47:22,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:47:22,834 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:47:22,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 00:47:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:47:22,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:47:23,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 00:47:23,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:47:23,181 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2020-11-30 00:47:24,029 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2020-11-30 00:47:24,242 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-11-30 00:47:24,465 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 15 [2020-11-30 00:47:24,576 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2020-11-30 00:47:24,929 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-11-30 00:47:25,089 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-11-30 00:47:25,319 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-11-30 00:47:25,522 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-11-30 00:47:25,665 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2020-11-30 00:47:25,933 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-11-30 00:47:26,051 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2020-11-30 00:47:26,180 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-11-30 00:47:26,434 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-11-30 00:47:26,436 INFO L274 CegarLoopResult]: For program point L960(lines 960 970) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L960-2(lines 960 970) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L960-4(lines 960 970) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L564(lines 564 572) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 603) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L597-4(lines 597 603) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2020-11-30 00:47:26,437 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L961(lines 961 967) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L961-2(lines 961 967) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L961-4(lines 961 967) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L274 CegarLoopResult]: For program point L763(lines 763 769) no Hoare annotation was computed. [2020-11-30 00:47:26,438 INFO L270 CegarLoopResult]: At program point L763-1(lines 1 976) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:47:26,438 INFO L270 CegarLoopResult]: At program point L631(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse5 .cse6))) [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L631-1(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L631-3(lines 626 634) the Hoare annotation is: false [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L945(lines 528 534) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L945-1(lines 528 534) the Hoare annotation is: false [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L945-2(lines 528 534) the Hoare annotation is: false [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2020-11-30 00:47:26,439 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-11-30 00:47:26,440 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-30 00:47:26,440 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-30 00:47:26,440 INFO L270 CegarLoopResult]: At program point L881(lines 877 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:47:26,440 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-30 00:47:26,440 INFO L270 CegarLoopResult]: At program point L535(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:47:26,440 INFO L270 CegarLoopResult]: At program point L535-1(lines 535 541) the Hoare annotation is: false [2020-11-30 00:47:26,440 INFO L270 CegarLoopResult]: At program point L535-2(lines 535 541) the Hoare annotation is: false [2020-11-30 00:47:26,440 INFO L277 CegarLoopResult]: At program point L915(lines 896 918) the Hoare annotation is: true [2020-11-30 00:47:26,440 INFO L270 CegarLoopResult]: At program point L833-2(lines 833 847) the Hoare annotation is: false [2020-11-30 00:47:26,440 INFO L270 CegarLoopResult]: At program point L817(lines 812 820) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:47:26,440 INFO L274 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-11-30 00:47:26,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:47:26,440 INFO L274 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L735-1(lines 735 741) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse6 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L686(lines 671 689) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L686-1(lines 671 689) the Hoare annotation is: false [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-11-30 00:47:26,441 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-11-30 00:47:26,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:47:26,442 INFO L270 CegarLoopResult]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:47:26,442 INFO L270 CegarLoopResult]: At program point L622(lines 615 625) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:47:26,442 INFO L270 CegarLoopResult]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2020-11-30 00:47:26,442 INFO L270 CegarLoopResult]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2020-11-30 00:47:26,442 INFO L274 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-11-30 00:47:26,442 INFO L274 CegarLoopResult]: For program point L837-1(lines 837 841) no Hoare annotation was computed. [2020-11-30 00:47:26,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:47:26,442 INFO L274 CegarLoopResult]: For program point L755(lines 755 770) no Hoare annotation was computed. [2020-11-30 00:47:26,442 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-30 00:47:26,442 INFO L274 CegarLoopResult]: For program point L906(lines 906 913) no Hoare annotation was computed. [2020-11-30 00:47:26,442 INFO L277 CegarLoopResult]: At program point L906-1(lines 906 913) the Hoare annotation is: true [2020-11-30 00:47:26,442 INFO L274 CegarLoopResult]: For program point L956(lines 956 973) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L270 CegarLoopResult]: At program point L956-1(lines 1 976) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L956-2(lines 956 973) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L270 CegarLoopResult]: At program point L956-3(lines 1 976) the Hoare annotation is: false [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L956-4(lines 956 973) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L270 CegarLoopResult]: At program point L956-5(lines 1 976) the Hoare annotation is: false [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L560(lines 560 577) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L270 CegarLoopResult]: At program point L775(lines 724 776) the Hoare annotation is: false [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-11-30 00:47:26,443 INFO L274 CegarLoopResult]: For program point L924-2(line 924) no Hoare annotation was computed. [2020-11-30 00:47:26,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:47:26,444 INFO L274 CegarLoopResult]: For program point L726(lines 725 774) no Hoare annotation was computed. [2020-11-30 00:47:26,444 INFO L270 CegarLoopResult]: At program point L528(lines 524 546) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-11-30 00:47:26,444 INFO L270 CegarLoopResult]: At program point L528-1(lines 524 546) the Hoare annotation is: false [2020-11-30 00:47:26,444 INFO L270 CegarLoopResult]: At program point L528-2(lines 524 546) the Hoare annotation is: false [2020-11-30 00:47:26,444 INFO L270 CegarLoopResult]: At program point L809(lines 1 976) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-30 00:47:26,444 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-11-30 00:47:26,444 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-30 00:47:26,444 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-11-30 00:47:26,444 INFO L274 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-11-30 00:47:26,444 INFO L274 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-11-30 00:47:26,444 INFO L270 CegarLoopResult]: At program point L694-1(lines 694 700) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:47:26,444 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-30 00:47:26,445 INFO L274 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-11-30 00:47:26,445 INFO L270 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:47:26,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:47:26 BoogieIcfgContainer [2020-11-30 00:47:26,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:47:26,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:47:26,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:47:26,498 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:47:26,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:47:19" (3/4) ... [2020-11-30 00:47:26,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:47:26,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:47:26,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:47:26,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:47:26,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:47:26,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:47:26,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:47:26,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:47:26,559 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-30 00:47:26,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-11-30 00:47:26,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-11-30 00:47:26,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,563 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-11-30 00:47:26,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,564 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-11-30 00:47:26,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-11-30 00:47:26,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-11-30 00:47:26,665 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3d8b62f8-e985-4f3a-8cdb-d9374d7b89c5/bin/uautomizer/witness.graphml [2020-11-30 00:47:26,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:47:26,666 INFO L168 Benchmark]: Toolchain (without parser) took 8940.36 ms. Allocated memory was 132.1 MB in the beginning and 228.6 MB in the end (delta: 96.5 MB). Free memory was 101.6 MB in the beginning and 176.1 MB in the end (delta: -74.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:47:26,667 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory was 38.4 MB in the beginning and 38.3 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:47:26,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.45 ms. Allocated memory is still 132.1 MB. Free memory was 101.6 MB in the beginning and 97.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:47:26,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.33 ms. Allocated memory is still 132.1 MB. Free memory was 97.2 MB in the beginning and 93.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:47:26,668 INFO L168 Benchmark]: Boogie Preprocessor took 40.52 ms. Allocated memory is still 132.1 MB. Free memory was 93.9 MB in the beginning and 91.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:47:26,668 INFO L168 Benchmark]: RCFGBuilder took 1077.79 ms. Allocated memory is still 132.1 MB. Free memory was 91.4 MB in the beginning and 76.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:47:26,668 INFO L168 Benchmark]: TraceAbstraction took 6974.93 ms. Allocated memory was 132.1 MB in the beginning and 228.6 MB in the end (delta: 96.5 MB). Free memory was 75.7 MB in the beginning and 185.5 MB in the end (delta: -109.8 MB). Peak memory consumption was 104.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:47:26,669 INFO L168 Benchmark]: Witness Printer took 167.71 ms. Allocated memory is still 228.6 MB. Free memory was 185.5 MB in the beginning and 176.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:47:26,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory was 38.4 MB in the beginning and 38.3 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.45 ms. Allocated memory is still 132.1 MB. Free memory was 101.6 MB in the beginning and 97.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.33 ms. Allocated memory is still 132.1 MB. Free memory was 97.2 MB in the beginning and 93.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.52 ms. Allocated memory is still 132.1 MB. Free memory was 93.9 MB in the beginning and 91.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1077.79 ms. Allocated memory is still 132.1 MB. Free memory was 91.4 MB in the beginning and 76.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6974.93 ms. Allocated memory was 132.1 MB in the beginning and 228.6 MB in the end (delta: 96.5 MB). Free memory was 75.7 MB in the beginning and 185.5 MB in the end (delta: -109.8 MB). Peak memory consumption was 104.5 MB. Max. memory is 16.1 GB. * Witness Printer took 167.71 ms. Allocated memory is still 228.6 MB. Free memory was 185.5 MB in the beginning and 176.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 894 SDtfs, 1219 SDslu, 1288 SDs, 0 SdLazy, 208 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 580 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 1003 HoareAnnotationTreeSize, 45 FomulaSimplifications, 54454 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 8304 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 26793 SizeOfPredicates, 4 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...