./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product58.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_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/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 aa2e4c647ac78678e11a6f8d79cd56fa06ee0dfe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:58:49,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:49,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:49,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:49,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:49,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:49,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:49,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:49,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:49,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:49,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:49,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:49,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:49,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:49,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:49,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:49,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:49,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:49,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:49,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:49,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:49,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:49,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:49,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:49,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:49,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:49,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:49,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:49,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:49,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:49,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:49,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:49,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:49,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:49,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:49,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:49,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:49,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:49,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:49,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:49,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:49,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:49,339 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:49,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:49,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:49,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:49,341 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:49,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:49,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:49,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:49,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:49,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:49,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:49,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:49,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:49,344 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:49,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:49,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:49,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:49,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:49,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:49,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:49,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:49,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:49,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:49,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:49,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:49,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:49,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:49,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:49,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:49,349 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_d1bc4362-e989-4421-ab11-0f08bcab3bc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa2e4c647ac78678e11a6f8d79cd56fa06ee0dfe [2020-11-28 02:58:49,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:49,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:49,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:49,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:49,668 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:49,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2020-11-28 02:58:49,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/data/1c1bde076/b983ff20eaaf4bd88a0fa0581f820a86/FLAGb45655fe6 [2020-11-28 02:58:50,393 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:50,397 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2020-11-28 02:58:50,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/data/1c1bde076/b983ff20eaaf4bd88a0fa0581f820a86/FLAGb45655fe6 [2020-11-28 02:58:50,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/data/1c1bde076/b983ff20eaaf4bd88a0fa0581f820a86 [2020-11-28 02:58:50,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:50,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:50,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:50,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:50,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:50,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:50" (1/1) ... [2020-11-28 02:58:50,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b86fdd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:50, skipping insertion in model container [2020-11-28 02:58:50,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:50" (1/1) ... [2020-11-28 02:58:50,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:50,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:51,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:51,345 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:51,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:51,541 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:51,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51 WrapperNode [2020-11-28 02:58:51,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:51,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:51,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:51,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:51,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:51,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:51,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:51,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:51,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... [2020-11-28 02:58:51,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:51,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:51,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:51,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:51,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/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 [2020-11-28 02:58:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:53,344 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:53,345 INFO L298 CfgBuilder]: Removed 214 assume(true) statements. [2020-11-28 02:58:53,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:53 BoogieIcfgContainer [2020-11-28 02:58:53,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:53,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:53,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:53,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:53,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:50" (1/3) ... [2020-11-28 02:58:53,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51129c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:53, skipping insertion in model container [2020-11-28 02:58:53,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:51" (2/3) ... [2020-11-28 02:58:53,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51129c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:53, skipping insertion in model container [2020-11-28 02:58:53,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:53" (3/3) ... [2020-11-28 02:58:53,358 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-11-28 02:58:53,371 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:53,377 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:58:53,391 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:58:53,420 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:53,420 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:53,421 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:53,421 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:53,421 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:53,421 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:53,422 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:53,422 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:53,442 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-11-28 02:58:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:58:53,450 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:53,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:53,451 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:53,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:53,458 INFO L82 PathProgramCache]: Analyzing trace with hash -75146343, now seen corresponding path program 1 times [2020-11-28 02:58:53,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:53,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50006271] [2020-11-28 02:58:53,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:53,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50006271] [2020-11-28 02:58:53,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:53,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:53,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264550724] [2020-11-28 02:58:53,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:53,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:53,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:53,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:53,780 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2020-11-28 02:58:53,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:53,823 INFO L93 Difference]: Finished difference Result 284 states and 421 transitions. [2020-11-28 02:58:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:53,824 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-28 02:58:53,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:53,838 INFO L225 Difference]: With dead ends: 284 [2020-11-28 02:58:53,839 INFO L226 Difference]: Without dead ends: 140 [2020-11-28 02:58:53,843 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 [2020-11-28 02:58:53,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-11-28 02:58:53,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-11-28 02:58:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-28 02:58:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2020-11-28 02:58:53,902 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2020-11-28 02:58:53,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:53,903 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2020-11-28 02:58:53,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2020-11-28 02:58:53,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 02:58:53,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:53,906 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] [2020-11-28 02:58:53,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:53,907 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:53,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:53,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1730873210, now seen corresponding path program 1 times [2020-11-28 02:58:53,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:53,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923112302] [2020-11-28 02:58:53,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:54,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923112302] [2020-11-28 02:58:54,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:54,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:54,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434613536] [2020-11-28 02:58:54,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:54,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:54,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:54,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:54,055 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2020-11-28 02:58:54,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:54,073 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2020-11-28 02:58:54,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:54,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-28 02:58:54,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:54,077 INFO L225 Difference]: With dead ends: 140 [2020-11-28 02:58:54,077 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:58:54,079 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 [2020-11-28 02:58:54,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:58:54,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:58:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:58:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-11-28 02:58:54,137 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2020-11-28 02:58:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:54,138 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-11-28 02:58:54,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:54,138 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-11-28 02:58:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:58:54,140 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:54,141 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] [2020-11-28 02:58:54,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:54,142 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:54,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:54,145 INFO L82 PathProgramCache]: Analyzing trace with hash 699838073, now seen corresponding path program 1 times [2020-11-28 02:58:54,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:54,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700590279] [2020-11-28 02:58:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:54,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700590279] [2020-11-28 02:58:54,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:54,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:54,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283141550] [2020-11-28 02:58:54,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:54,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:54,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:54,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:54,330 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2020-11-28 02:58:54,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:54,366 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2020-11-28 02:58:54,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:54,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 02:58:54,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:54,369 INFO L225 Difference]: With dead ends: 107 [2020-11-28 02:58:54,369 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:58:54,370 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 [2020-11-28 02:58:54,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:58:54,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:58:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:58:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2020-11-28 02:58:54,379 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2020-11-28 02:58:54,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:54,379 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2020-11-28 02:58:54,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2020-11-28 02:58:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 02:58:54,381 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:54,381 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] [2020-11-28 02:58:54,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:54,382 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:54,383 INFO L82 PathProgramCache]: Analyzing trace with hash -649900478, now seen corresponding path program 1 times [2020-11-28 02:58:54,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:54,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539577184] [2020-11-28 02:58:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:54,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539577184] [2020-11-28 02:58:54,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:54,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:54,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118100108] [2020-11-28 02:58:54,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:54,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:54,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:54,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:54,473 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2020-11-28 02:58:54,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:54,573 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2020-11-28 02:58:54,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:54,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-28 02:58:54,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:54,575 INFO L225 Difference]: With dead ends: 131 [2020-11-28 02:58:54,575 INFO L226 Difference]: Without dead ends: 81 [2020-11-28 02:58:54,576 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 [2020-11-28 02:58:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-11-28 02:58:54,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2020-11-28 02:58:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-11-28 02:58:54,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2020-11-28 02:58:54,594 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2020-11-28 02:58:54,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:54,595 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2020-11-28 02:58:54,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:54,596 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2020-11-28 02:58:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:58:54,603 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:54,604 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] [2020-11-28 02:58:54,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:54,604 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:54,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:54,605 INFO L82 PathProgramCache]: Analyzing trace with hash 33266286, now seen corresponding path program 1 times [2020-11-28 02:58:54,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:54,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69796025] [2020-11-28 02:58:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:54,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69796025] [2020-11-28 02:58:54,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:54,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:54,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646618990] [2020-11-28 02:58:54,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:54,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:54,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:54,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:54,805 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2020-11-28 02:58:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:54,981 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2020-11-28 02:58:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:58:54,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 02:58:54,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:54,984 INFO L225 Difference]: With dead ends: 266 [2020-11-28 02:58:54,984 INFO L226 Difference]: Without dead ends: 194 [2020-11-28 02:58:54,985 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 [2020-11-28 02:58:54,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-11-28 02:58:55,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2020-11-28 02:58:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-28 02:58:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2020-11-28 02:58:55,002 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2020-11-28 02:58:55,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:55,003 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2020-11-28 02:58:55,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2020-11-28 02:58:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 02:58:55,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:55,005 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] [2020-11-28 02:58:55,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:55,005 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:55,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:55,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1851586710, now seen corresponding path program 1 times [2020-11-28 02:58:55,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:55,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368070256] [2020-11-28 02:58:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:55,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368070256] [2020-11-28 02:58:55,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:55,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:58:55,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833789425] [2020-11-28 02:58:55,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:55,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:55,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:55,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:55,134 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2020-11-28 02:58:55,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:55,218 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2020-11-28 02:58:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:58:55,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-28 02:58:55,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:55,226 INFO L225 Difference]: With dead ends: 198 [2020-11-28 02:58:55,226 INFO L226 Difference]: Without dead ends: 127 [2020-11-28 02:58:55,227 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 [2020-11-28 02:58:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-11-28 02:58:55,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2020-11-28 02:58:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-28 02:58:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2020-11-28 02:58:55,268 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2020-11-28 02:58:55,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:55,271 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2020-11-28 02:58:55,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-11-28 02:58:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 02:58:55,273 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:55,273 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] [2020-11-28 02:58:55,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:58:55,274 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:55,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:55,276 INFO L82 PathProgramCache]: Analyzing trace with hash 840469460, now seen corresponding path program 1 times [2020-11-28 02:58:55,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:55,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613256745] [2020-11-28 02:58:55,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:55,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613256745] [2020-11-28 02:58:55,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:55,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:55,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792472244] [2020-11-28 02:58:55,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:55,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:55,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:55,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:55,389 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 4 states. [2020-11-28 02:58:55,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:55,447 INFO L93 Difference]: Finished difference Result 193 states and 260 transitions. [2020-11-28 02:58:55,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:58:55,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-11-28 02:58:55,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:55,450 INFO L225 Difference]: With dead ends: 193 [2020-11-28 02:58:55,450 INFO L226 Difference]: Without dead ends: 116 [2020-11-28 02:58:55,451 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 [2020-11-28 02:58:55,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-28 02:58:55,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2020-11-28 02:58:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-11-28 02:58:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2020-11-28 02:58:55,475 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2020-11-28 02:58:55,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:55,476 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2020-11-28 02:58:55,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2020-11-28 02:58:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 02:58:55,482 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:55,482 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] [2020-11-28 02:58:55,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:58:55,483 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:55,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:55,483 INFO L82 PathProgramCache]: Analyzing trace with hash -180598894, now seen corresponding path program 1 times [2020-11-28 02:58:55,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:55,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444444983] [2020-11-28 02:58:55,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:55,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444444983] [2020-11-28 02:58:55,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:55,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:55,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204864549] [2020-11-28 02:58:55,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:55,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:55,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:55,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:55,571 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2020-11-28 02:58:55,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:55,606 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2020-11-28 02:58:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:55,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-28 02:58:55,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:55,608 INFO L225 Difference]: With dead ends: 197 [2020-11-28 02:58:55,608 INFO L226 Difference]: Without dead ends: 116 [2020-11-28 02:58:55,609 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 [2020-11-28 02:58:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-28 02:58:55,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-11-28 02:58:55,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-28 02:58:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2020-11-28 02:58:55,628 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2020-11-28 02:58:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:55,629 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2020-11-28 02:58:55,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2020-11-28 02:58:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 02:58:55,631 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:55,632 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, 1] [2020-11-28 02:58:55,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:58:55,633 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:55,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:55,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1355199058, now seen corresponding path program 1 times [2020-11-28 02:58:55,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:55,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472150628] [2020-11-28 02:58:55,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:55,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472150628] [2020-11-28 02:58:55,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:55,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:58:55,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587299433] [2020-11-28 02:58:55,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:58:55,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:55,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:58:55,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:58:55,830 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 7 states. [2020-11-28 02:58:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:56,332 INFO L93 Difference]: Finished difference Result 545 states and 731 transitions. [2020-11-28 02:58:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 02:58:56,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-11-28 02:58:56,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:56,336 INFO L225 Difference]: With dead ends: 545 [2020-11-28 02:58:56,336 INFO L226 Difference]: Without dead ends: 464 [2020-11-28 02:58:56,337 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 [2020-11-28 02:58:56,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-11-28 02:58:56,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 196. [2020-11-28 02:58:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-11-28 02:58:56,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 255 transitions. [2020-11-28 02:58:56,379 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 255 transitions. Word has length 38 [2020-11-28 02:58:56,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:56,382 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 255 transitions. [2020-11-28 02:58:56,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:58:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 255 transitions. [2020-11-28 02:58:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 02:58:56,384 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:56,385 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:56,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:58:56,385 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:56,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:56,386 INFO L82 PathProgramCache]: Analyzing trace with hash 220706655, now seen corresponding path program 1 times [2020-11-28 02:58:56,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:56,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108799257] [2020-11-28 02:58:56,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:56,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108799257] [2020-11-28 02:58:56,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229346583] [2020-11-28 02:58:56,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/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 [2020-11-28 02:58:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:56,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 02:58:56,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:56,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 02:58:56,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-11-28 02:58:56,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471046402] [2020-11-28 02:58:56,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 02:58:56,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:56,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 02:58:56,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:58:56,915 INFO L87 Difference]: Start difference. First operand 196 states and 255 transitions. Second operand 9 states. [2020-11-28 02:58:57,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:57,394 INFO L93 Difference]: Finished difference Result 443 states and 594 transitions. [2020-11-28 02:58:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:58:57,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-11-28 02:58:57,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:57,397 INFO L225 Difference]: With dead ends: 443 [2020-11-28 02:58:57,397 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:57,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-11-28 02:58:57,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:57,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:57,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-11-28 02:58:57,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:57,400 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:57,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 02:58:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:57,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:57,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 02:58:57,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:57,759 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2020-11-28 02:58:57,918 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2020-11-28 02:58:58,595 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2020-11-28 02:58:58,916 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2020-11-28 02:58:59,241 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2020-11-28 02:58:59,368 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 20 [2020-11-28 02:58:59,616 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2020-11-28 02:58:59,916 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2020-11-28 02:59:00,076 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-11-28 02:59:00,281 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2020-11-28 02:59:00,740 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 22 [2020-11-28 02:59:00,835 INFO L270 CegarLoopResult]: At program point L762(lines 758 780) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 02:59:00,835 INFO L270 CegarLoopResult]: At program point L762-1(lines 758 780) the Hoare annotation is: false [2020-11-28 02:59:00,835 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:00,836 INFO L270 CegarLoopResult]: At program point L762-2(lines 758 780) the Hoare annotation is: false [2020-11-28 02:59:00,836 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:59:00,836 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:59:00,836 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:59:00,836 INFO L270 CegarLoopResult]: At program point L631(lines 627 633) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 02:59:00,836 INFO L274 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-11-28 02:59:00,837 INFO L270 CegarLoopResult]: At program point L731-2(lines 731 735) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-11-28 02:59:00,837 INFO L274 CegarLoopResult]: For program point L798(lines 798 806) no Hoare annotation was computed. [2020-11-28 02:59:00,837 INFO L274 CegarLoopResult]: For program point L798-1(lines 798 806) no Hoare annotation was computed. [2020-11-28 02:59:00,838 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 806) no Hoare annotation was computed. [2020-11-28 02:59:00,838 INFO L274 CegarLoopResult]: For program point L798-3(lines 798 806) no Hoare annotation was computed. [2020-11-28 02:59:00,838 INFO L274 CegarLoopResult]: For program point L798-4(lines 798 806) no Hoare annotation was computed. [2020-11-28 02:59:00,838 INFO L274 CegarLoopResult]: For program point L798-5(lines 798 806) no Hoare annotation was computed. [2020-11-28 02:59:00,838 INFO L270 CegarLoopResult]: At program point L171(lines 762 768) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 02:59:00,838 INFO L270 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-11-28 02:59:00,838 INFO L270 CegarLoopResult]: At program point L171-1(lines 762 768) the Hoare annotation is: false [2020-11-28 02:59:00,839 INFO L270 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-11-28 02:59:00,839 INFO L270 CegarLoopResult]: At program point L171-2(lines 762 768) the Hoare annotation is: false [2020-11-28 02:59:00,839 INFO L270 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-11-28 02:59:00,839 INFO L270 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-11-28 02:59:00,839 INFO L270 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-11-28 02:59:00,839 INFO L270 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-11-28 02:59:00,839 INFO L270 CegarLoopResult]: At program point L965(lines 950 968) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-28 02:59:00,839 INFO L270 CegarLoopResult]: At program point L965-1(lines 950 968) the Hoare annotation is: false [2020-11-28 02:59:00,840 INFO L270 CegarLoopResult]: At program point L965-2(lines 950 968) the Hoare annotation is: false [2020-11-28 02:59:00,840 INFO L277 CegarLoopResult]: At program point L668(lines 649 671) the Hoare annotation is: true [2020-11-28 02:59:00,840 INFO L270 CegarLoopResult]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 02:59:00,840 INFO L270 CegarLoopResult]: At program point L769(lines 769 775) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 02:59:00,840 INFO L270 CegarLoopResult]: At program point L769-1(lines 769 775) the Hoare annotation is: false [2020-11-28 02:59:00,840 INFO L274 CegarLoopResult]: For program point L703(lines 703 709) no Hoare annotation was computed. [2020-11-28 02:59:00,840 INFO L270 CegarLoopResult]: At program point L769-2(lines 769 775) the Hoare annotation is: false [2020-11-28 02:59:00,841 INFO L270 CegarLoopResult]: At program point L703-1(lines 703 709) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-11-28 02:59:00,841 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:00,841 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-11-28 02:59:00,841 INFO L270 CegarLoopResult]: At program point L741(lines 692 742) the Hoare annotation is: false [2020-11-28 02:59:00,841 INFO L274 CegarLoopResult]: For program point L940(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,841 INFO L274 CegarLoopResult]: For program point L940-2(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,841 INFO L274 CegarLoopResult]: For program point L940-3(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,841 INFO L274 CegarLoopResult]: For program point L940-5(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,841 INFO L274 CegarLoopResult]: For program point L940-6(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,842 INFO L274 CegarLoopResult]: For program point L940-8(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,842 INFO L274 CegarLoopResult]: For program point L940-9(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,842 INFO L274 CegarLoopResult]: For program point L940-11(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,842 INFO L274 CegarLoopResult]: For program point L940-12(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,842 INFO L274 CegarLoopResult]: For program point L940-14(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,842 INFO L274 CegarLoopResult]: For program point L940-15(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,842 INFO L274 CegarLoopResult]: For program point L940-17(lines 940 944) no Hoare annotation was computed. [2020-11-28 02:59:00,842 INFO L270 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-28 02:59:00,842 INFO L270 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-11-28 02:59:00,842 INFO L270 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-11-28 02:59:00,843 INFO L274 CegarLoopResult]: For program point L677(line 677) no Hoare annotation was computed. [2020-11-28 02:59:00,843 INFO L274 CegarLoopResult]: For program point L677-1(line 677) no Hoare annotation was computed. [2020-11-28 02:59:00,843 INFO L274 CegarLoopResult]: For program point L677-2(line 677) no Hoare annotation was computed. [2020-11-28 02:59:00,843 INFO L274 CegarLoopResult]: For program point L182(lines 182 199) no Hoare annotation was computed. [2020-11-28 02:59:00,843 INFO L270 CegarLoopResult]: At program point L182-1(lines 1 1011) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 02:59:00,843 INFO L274 CegarLoopResult]: For program point L182-2(lines 182 199) no Hoare annotation was computed. [2020-11-28 02:59:00,843 INFO L270 CegarLoopResult]: At program point L182-3(lines 1 1011) the Hoare annotation is: false [2020-11-28 02:59:00,843 INFO L274 CegarLoopResult]: For program point L182-4(lines 182 199) no Hoare annotation was computed. [2020-11-28 02:59:00,843 INFO L270 CegarLoopResult]: At program point L182-5(lines 1 1011) the Hoare annotation is: false [2020-11-28 02:59:00,844 INFO L270 CegarLoopResult]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 02:59:00,844 INFO L274 CegarLoopResult]: For program point L713(lines 713 719) no Hoare annotation was computed. [2020-11-28 02:59:00,844 INFO L270 CegarLoopResult]: At program point L713-1(lines 713 719) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-11-28 02:59:00,844 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:59:00,844 INFO L270 CegarLoopResult]: At program point L582-2(lines 582 596) the Hoare annotation is: false [2020-11-28 02:59:00,844 INFO L274 CegarLoopResult]: For program point L186(lines 186 196) no Hoare annotation was computed. [2020-11-28 02:59:00,844 INFO L274 CegarLoopResult]: For program point L186-2(lines 186 196) no Hoare annotation was computed. [2020-11-28 02:59:00,844 INFO L274 CegarLoopResult]: For program point L186-4(lines 186 196) no Hoare annotation was computed. [2020-11-28 02:59:00,844 INFO L270 CegarLoopResult]: At program point L946(lines 931 949) the Hoare annotation is: false [2020-11-28 02:59:00,845 INFO L270 CegarLoopResult]: At program point L946-1(lines 931 949) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-11-28 02:59:00,845 INFO L270 CegarLoopResult]: At program point L946-2(lines 931 949) the Hoare annotation is: false [2020-11-28 02:59:00,845 INFO L270 CegarLoopResult]: At program point L946-3(lines 931 949) the Hoare annotation is: false [2020-11-28 02:59:00,845 INFO L270 CegarLoopResult]: At program point L946-4(lines 931 949) the Hoare annotation is: false [2020-11-28 02:59:00,845 INFO L270 CegarLoopResult]: At program point L946-5(lines 931 949) the Hoare annotation is: false [2020-11-28 02:59:00,845 INFO L274 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-11-28 02:59:00,845 INFO L274 CegarLoopResult]: For program point L187(lines 187 193) no Hoare annotation was computed. [2020-11-28 02:59:00,845 INFO L274 CegarLoopResult]: For program point L187-2(lines 187 193) no Hoare annotation was computed. [2020-11-28 02:59:00,845 INFO L274 CegarLoopResult]: For program point L187-4(lines 187 193) no Hoare annotation was computed. [2020-11-28 02:59:00,846 INFO L274 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-11-28 02:59:00,846 INFO L274 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-11-28 02:59:00,846 INFO L270 CegarLoopResult]: At program point L882(lines 875 885) the Hoare annotation is: false [2020-11-28 02:59:00,846 INFO L274 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-11-28 02:59:00,846 INFO L270 CegarLoopResult]: At program point L882-1(lines 875 885) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-28 02:59:00,846 INFO L270 CegarLoopResult]: At program point L882-2(lines 875 885) the Hoare annotation is: false [2020-11-28 02:59:00,846 INFO L270 CegarLoopResult]: At program point L882-3(lines 875 885) the Hoare annotation is: false [2020-11-28 02:59:00,846 INFO L270 CegarLoopResult]: At program point L882-4(lines 875 885) the Hoare annotation is: false [2020-11-28 02:59:00,848 INFO L270 CegarLoopResult]: At program point L882-5(lines 875 885) the Hoare annotation is: false [2020-11-28 02:59:00,849 INFO L274 CegarLoopResult]: For program point L586(lines 586 590) no Hoare annotation was computed. [2020-11-28 02:59:00,849 INFO L274 CegarLoopResult]: For program point L586-1(lines 586 590) no Hoare annotation was computed. [2020-11-28 02:59:00,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:59:00,849 INFO L270 CegarLoopResult]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 02:59:00,849 INFO L270 CegarLoopResult]: At program point L125-1(lines 120 128) the Hoare annotation is: false [2020-11-28 02:59:00,850 INFO L270 CegarLoopResult]: At program point L125-2(lines 120 128) the Hoare annotation is: false [2020-11-28 02:59:00,850 INFO L270 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2020-11-28 02:59:00,850 INFO L270 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-11-28 02:59:00,850 INFO L270 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: false [2020-11-28 02:59:00,850 INFO L270 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2020-11-28 02:59:00,850 INFO L270 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2020-11-28 02:59:00,851 INFO L270 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2020-11-28 02:59:00,851 INFO L274 CegarLoopResult]: For program point L820(lines 820 837) no Hoare annotation was computed. [2020-11-28 02:59:00,851 INFO L274 CegarLoopResult]: For program point L820-1(lines 820 837) no Hoare annotation was computed. [2020-11-28 02:59:00,851 INFO L274 CegarLoopResult]: For program point L820-2(lines 820 837) no Hoare annotation was computed. [2020-11-28 02:59:00,851 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:59:00,852 INFO L270 CegarLoopResult]: At program point L161(lines 156 163) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 02:59:00,852 INFO L274 CegarLoopResult]: For program point L723(lines 723 736) no Hoare annotation was computed. [2020-11-28 02:59:00,852 INFO L274 CegarLoopResult]: For program point L857(lines 857 863) no Hoare annotation was computed. [2020-11-28 02:59:00,852 INFO L274 CegarLoopResult]: For program point L824(lines 824 832) no Hoare annotation was computed. [2020-11-28 02:59:00,852 INFO L274 CegarLoopResult]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2020-11-28 02:59:00,852 INFO L274 CegarLoopResult]: For program point L824-1(lines 824 832) no Hoare annotation was computed. [2020-11-28 02:59:00,852 INFO L274 CegarLoopResult]: For program point L824-2(lines 824 832) no Hoare annotation was computed. [2020-11-28 02:59:00,853 INFO L274 CegarLoopResult]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2020-11-28 02:59:00,853 INFO L274 CegarLoopResult]: For program point L659(lines 659 666) no Hoare annotation was computed. [2020-11-28 02:59:00,853 INFO L274 CegarLoopResult]: For program point L857-6(lines 857 863) no Hoare annotation was computed. [2020-11-28 02:59:00,853 INFO L277 CegarLoopResult]: At program point L659-1(lines 659 666) the Hoare annotation is: true [2020-11-28 02:59:00,853 INFO L274 CegarLoopResult]: For program point L857-8(lines 857 863) no Hoare annotation was computed. [2020-11-28 02:59:00,853 INFO L274 CegarLoopResult]: For program point L857-10(lines 857 863) no Hoare annotation was computed. [2020-11-28 02:59:00,854 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:59:00,854 INFO L270 CegarLoopResult]: At program point L891(lines 886 894) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse4 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse0 .cse1 .cse2))) [2020-11-28 02:59:00,854 INFO L270 CegarLoopResult]: At program point L891-1(lines 886 894) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-11-28 02:59:00,854 INFO L270 CegarLoopResult]: At program point L891-2(lines 886 894) the Hoare annotation is: false [2020-11-28 02:59:00,854 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:00,855 INFO L270 CegarLoopResult]: At program point L891-3(lines 886 894) the Hoare annotation is: false [2020-11-28 02:59:00,855 INFO L270 CegarLoopResult]: At program point L891-4(lines 886 894) the Hoare annotation is: false [2020-11-28 02:59:00,855 INFO L270 CegarLoopResult]: At program point L891-5(lines 886 894) the Hoare annotation is: false [2020-11-28 02:59:00,855 INFO L274 CegarLoopResult]: For program point L694(lines 693 740) no Hoare annotation was computed. [2020-11-28 02:59:00,855 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:59:00,855 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:59:00,856 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:59:00,856 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:59:00,856 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:59:00,856 INFO L274 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:59:00,856 INFO L274 CegarLoopResult]: For program point L959(lines 959 963) no Hoare annotation was computed. [2020-11-28 02:59:00,856 INFO L274 CegarLoopResult]: For program point L959-2(lines 959 963) no Hoare annotation was computed. [2020-11-28 02:59:00,857 INFO L274 CegarLoopResult]: For program point L959-3(lines 959 963) no Hoare annotation was computed. [2020-11-28 02:59:00,857 INFO L274 CegarLoopResult]: For program point L794(lines 794 811) no Hoare annotation was computed. [2020-11-28 02:59:00,857 INFO L274 CegarLoopResult]: For program point L959-5(lines 959 963) no Hoare annotation was computed. [2020-11-28 02:59:00,857 INFO L274 CegarLoopResult]: For program point L794-1(lines 794 811) no Hoare annotation was computed. [2020-11-28 02:59:00,857 INFO L274 CegarLoopResult]: For program point L959-6(lines 959 963) no Hoare annotation was computed. [2020-11-28 02:59:00,857 INFO L274 CegarLoopResult]: For program point L794-2(lines 794 811) no Hoare annotation was computed. [2020-11-28 02:59:00,857 INFO L274 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-11-28 02:59:00,858 INFO L274 CegarLoopResult]: For program point L794-3(lines 794 811) no Hoare annotation was computed. [2020-11-28 02:59:00,858 INFO L274 CegarLoopResult]: For program point L959-8(lines 959 963) no Hoare annotation was computed. [2020-11-28 02:59:00,858 INFO L274 CegarLoopResult]: For program point L794-4(lines 794 811) no Hoare annotation was computed. [2020-11-28 02:59:00,858 INFO L274 CegarLoopResult]: For program point L794-5(lines 794 811) no Hoare annotation was computed. [2020-11-28 02:59:00,858 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-11-28 02:59:00,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:00 BoogieIcfgContainer [2020-11-28 02:59:00,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:00,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:00,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:00,896 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:00,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:53" (3/4) ... [2020-11-28 02:59:00,900 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:59:00,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:59:00,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:59:00,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:59:00,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:59:00,941 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:59:00,943 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:00,945 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:00,980 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((1 <= pumpRunning && tmp <= 2) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,981 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,981 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,986 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,987 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:00,988 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-11-28 02:59:00,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:01,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:01,002 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-11-28 02:59:01,002 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:59:01,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d1bc4362-e989-4421-ab11-0f08bcab3bc7/bin/uautomizer/witness.graphml [2020-11-28 02:59:01,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:01,134 INFO L168 Benchmark]: Toolchain (without parser) took 10450.05 ms. Allocated memory was 104.9 MB in the beginning and 226.5 MB in the end (delta: 121.6 MB). Free memory was 80.8 MB in the beginning and 112.9 MB in the end (delta: -32.1 MB). Peak memory consumption was 88.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:01,135 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 64.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:01,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.56 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 80.8 MB in the beginning and 136.8 MB in the end (delta: -56.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:01,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.77 ms. Allocated memory is still 172.0 MB. Free memory was 136.8 MB in the beginning and 132.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:01,136 INFO L168 Benchmark]: Boogie Preprocessor took 97.77 ms. Allocated memory is still 172.0 MB. Free memory was 132.6 MB in the beginning and 129.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:01,137 INFO L168 Benchmark]: RCFGBuilder took 1571.69 ms. Allocated memory is still 172.0 MB. Free memory was 129.5 MB in the beginning and 112.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:01,137 INFO L168 Benchmark]: TraceAbstraction took 7546.00 ms. Allocated memory was 172.0 MB in the beginning and 226.5 MB in the end (delta: 54.5 MB). Free memory was 112.4 MB in the beginning and 125.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 96.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:01,138 INFO L168 Benchmark]: Witness Printer took 237.45 ms. Allocated memory is still 226.5 MB. Free memory was 125.5 MB in the beginning and 112.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:01,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 64.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 857.56 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 80.8 MB in the beginning and 136.8 MB in the end (delta: -56.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.77 ms. Allocated memory is still 172.0 MB. Free memory was 136.8 MB in the beginning and 132.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.77 ms. Allocated memory is still 172.0 MB. Free memory was 132.6 MB in the beginning and 129.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1571.69 ms. Allocated memory is still 172.0 MB. Free memory was 129.5 MB in the beginning and 112.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7546.00 ms. Allocated memory was 172.0 MB in the beginning and 226.5 MB in the end (delta: 54.5 MB). Free memory was 112.4 MB in the beginning and 125.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 96.5 MB. Max. memory is 16.1 GB. * Witness Printer took 237.45 ms. Allocated memory is still 226.5 MB. Free memory was 125.5 MB in the beginning and 112.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((1 <= pumpRunning && tmp <= 2) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1140 SDtfs, 1376 SDslu, 1446 SDs, 0 SdLazy, 248 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 457 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 169 NumberOfFragments, 693 HoareAnnotationTreeSize, 62 FomulaSimplifications, 32627 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7593 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 34109 SizeOfPredicates, 4 NumberOfNonLiveVariables, 463 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...