./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product64.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_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/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 160c8d64ba84e9e53149049b180f0e762ed5d721 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:48:44,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:48:44,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:48:44,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:48:44,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:48:44,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:48:44,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:48:44,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:48:44,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:48:44,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:48:44,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:48:44,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:48:44,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:48:44,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:48:44,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:48:44,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:48:44,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:48:44,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:48:44,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:48:44,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:48:44,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:48:44,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:48:44,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:48:44,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:48:44,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:48:44,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:48:44,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:48:44,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:48:44,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:48:44,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:48:44,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:48:44,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:48:44,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:48:44,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:48:44,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:48:44,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:48:44,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:48:44,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:48:44,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:48:44,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:48:44,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:48:44,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:48:44,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:48:44,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:48:44,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:48:44,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:48:44,539 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:48:44,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:48:44,539 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:48:44,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:48:44,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:48:44,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:48:44,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:48:44,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:48:44,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:48:44,541 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:48:44,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:48:44,541 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:48:44,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:48:44,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:48:44,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:48:44,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:48:44,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:48:44,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:48:44,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:48:44,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:48:44,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:48:44,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:48:44,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:48:44,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:48:44,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:48:44,543 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_b6f19ea8-55e4-4ef6-b787-e89f45faa007/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 160c8d64ba84e9e53149049b180f0e762ed5d721 [2020-11-29 18:48:44,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:48:44,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:48:44,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:48:44,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:48:44,843 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:48:44,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2020-11-29 18:48:44,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/data/2f45a455e/19afa8c5c36a4dc8bcf4ee0d6683e2fe/FLAG47a4c5195 [2020-11-29 18:48:45,454 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:48:45,455 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2020-11-29 18:48:45,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/data/2f45a455e/19afa8c5c36a4dc8bcf4ee0d6683e2fe/FLAG47a4c5195 [2020-11-29 18:48:45,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/data/2f45a455e/19afa8c5c36a4dc8bcf4ee0d6683e2fe [2020-11-29 18:48:45,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:48:45,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:48:45,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:48:45,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:48:45,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:48:45,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:48:45" (1/1) ... [2020-11-29 18:48:45,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c66a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:45, skipping insertion in model container [2020-11-29 18:48:45,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:48:45" (1/1) ... [2020-11-29 18:48:45,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:48:45,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:48:46,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:48:46,203 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:48:46,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:48:46,374 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:48:46,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46 WrapperNode [2020-11-29 18:48:46,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:48:46,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:48:46,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:48:46,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:48:46,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:48:46,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:48:46,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:48:46,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:48:46,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... [2020-11-29 18:48:46,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:48:46,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:48:46,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:48:46,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:48:46,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/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 [2020-11-29 18:48:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:48:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:48:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:48:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:48:48,212 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:48:48,213 INFO L298 CfgBuilder]: Removed 360 assume(true) statements. [2020-11-29 18:48:48,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:48:48 BoogieIcfgContainer [2020-11-29 18:48:48,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:48:48,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:48:48,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:48:48,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:48:48,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:48:45" (1/3) ... [2020-11-29 18:48:48,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219ccc2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:48:48, skipping insertion in model container [2020-11-29 18:48:48,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:46" (2/3) ... [2020-11-29 18:48:48,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219ccc2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:48:48, skipping insertion in model container [2020-11-29 18:48:48,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:48:48" (3/3) ... [2020-11-29 18:48:48,226 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2020-11-29 18:48:48,236 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:48:48,241 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 18:48:48,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 18:48:48,305 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:48:48,305 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:48:48,305 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:48:48,305 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:48:48,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:48:48,306 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:48:48,306 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:48:48,306 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:48:48,336 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states. [2020-11-29 18:48:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:48:48,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:48,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:48,345 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:48,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:48,352 INFO L82 PathProgramCache]: Analyzing trace with hash -102876546, now seen corresponding path program 1 times [2020-11-29 18:48:48,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:48,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394944966] [2020-11-29 18:48:48,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:48,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394944966] [2020-11-29 18:48:48,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:48,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:48:48,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187583468] [2020-11-29 18:48:48,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:48:48,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:48,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:48:48,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:48:48,681 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 2 states. [2020-11-29 18:48:48,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:48,745 INFO L93 Difference]: Finished difference Result 451 states and 674 transitions. [2020-11-29 18:48:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:48:48,748 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 18:48:48,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:48,765 INFO L225 Difference]: With dead ends: 451 [2020-11-29 18:48:48,766 INFO L226 Difference]: Without dead ends: 223 [2020-11-29 18:48:48,778 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 [2020-11-29 18:48:48,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-11-29 18:48:48,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-11-29 18:48:48,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-11-29 18:48:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2020-11-29 18:48:48,832 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2020-11-29 18:48:48,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:48,832 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2020-11-29 18:48:48,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:48:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2020-11-29 18:48:48,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:48:48,834 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:48,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:48,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:48:48,834 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:48,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:48,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1149633443, now seen corresponding path program 1 times [2020-11-29 18:48:48,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:48,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940092428] [2020-11-29 18:48:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:48,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940092428] [2020-11-29 18:48:48,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:48,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:49,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243889948] [2020-11-29 18:48:49,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:49,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:49,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:49,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:49,002 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2020-11-29 18:48:49,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:49,034 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2020-11-29 18:48:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:49,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 18:48:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:49,040 INFO L225 Difference]: With dead ends: 223 [2020-11-29 18:48:49,042 INFO L226 Difference]: Without dead ends: 85 [2020-11-29 18:48:49,044 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 [2020-11-29 18:48:49,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-11-29 18:48:49,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-11-29 18:48:49,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-29 18:48:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2020-11-29 18:48:49,059 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2020-11-29 18:48:49,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:49,060 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2020-11-29 18:48:49,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-11-29 18:48:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:48:49,062 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:49,062 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] [2020-11-29 18:48:49,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:48:49,064 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:49,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:49,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1020108702, now seen corresponding path program 1 times [2020-11-29 18:48:49,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:49,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407713914] [2020-11-29 18:48:49,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:49,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:49,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407713914] [2020-11-29 18:48:49,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:49,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:49,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880626352] [2020-11-29 18:48:49,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:49,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:49,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:49,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:49,185 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 3 states. [2020-11-29 18:48:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:49,259 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2020-11-29 18:48:49,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:49,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-29 18:48:49,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:49,262 INFO L225 Difference]: With dead ends: 243 [2020-11-29 18:48:49,262 INFO L226 Difference]: Without dead ends: 164 [2020-11-29 18:48:49,264 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 [2020-11-29 18:48:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-11-29 18:48:49,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2020-11-29 18:48:49,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-11-29 18:48:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2020-11-29 18:48:49,285 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 22 [2020-11-29 18:48:49,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:49,286 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2020-11-29 18:48:49,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2020-11-29 18:48:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:48:49,287 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:49,288 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] [2020-11-29 18:48:49,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:48:49,288 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:49,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:49,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1236801791, now seen corresponding path program 1 times [2020-11-29 18:48:49,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:49,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968669932] [2020-11-29 18:48:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:49,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968669932] [2020-11-29 18:48:49,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:49,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:48:49,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523184768] [2020-11-29 18:48:49,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:49,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:49,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:49,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:49,367 INFO L87 Difference]: Start difference. First operand 160 states and 237 transitions. Second operand 3 states. [2020-11-29 18:48:49,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:49,435 INFO L93 Difference]: Finished difference Result 325 states and 486 transitions. [2020-11-29 18:48:49,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:49,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-29 18:48:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:49,437 INFO L225 Difference]: With dead ends: 325 [2020-11-29 18:48:49,437 INFO L226 Difference]: Without dead ends: 171 [2020-11-29 18:48:49,438 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 [2020-11-29 18:48:49,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-29 18:48:49,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-11-29 18:48:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-11-29 18:48:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 243 transitions. [2020-11-29 18:48:49,460 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 243 transitions. Word has length 25 [2020-11-29 18:48:49,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:49,460 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 243 transitions. [2020-11-29 18:48:49,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:49,460 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 243 transitions. [2020-11-29 18:48:49,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:48:49,462 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:49,462 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] [2020-11-29 18:48:49,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:48:49,463 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:49,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:49,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1574884233, now seen corresponding path program 1 times [2020-11-29 18:48:49,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:49,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555464890] [2020-11-29 18:48:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:49,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555464890] [2020-11-29 18:48:49,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:49,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:48:49,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836426462] [2020-11-29 18:48:49,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:48:49,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:49,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:48:49,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:48:49,532 INFO L87 Difference]: Start difference. First operand 169 states and 243 transitions. Second operand 5 states. [2020-11-29 18:48:49,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:49,660 INFO L93 Difference]: Finished difference Result 593 states and 857 transitions. [2020-11-29 18:48:49,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:48:49,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-29 18:48:49,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:49,664 INFO L225 Difference]: With dead ends: 593 [2020-11-29 18:48:49,664 INFO L226 Difference]: Without dead ends: 430 [2020-11-29 18:48:49,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:48:49,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-11-29 18:48:49,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 260. [2020-11-29 18:48:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-11-29 18:48:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 364 transitions. [2020-11-29 18:48:49,713 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 364 transitions. Word has length 25 [2020-11-29 18:48:49,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:49,714 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 364 transitions. [2020-11-29 18:48:49,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:48:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 364 transitions. [2020-11-29 18:48:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:48:49,717 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:49,718 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] [2020-11-29 18:48:49,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:48:49,718 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:49,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:49,719 INFO L82 PathProgramCache]: Analyzing trace with hash 760774073, now seen corresponding path program 1 times [2020-11-29 18:48:49,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:49,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329824112] [2020-11-29 18:48:49,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:49,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329824112] [2020-11-29 18:48:49,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:49,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:48:49,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595187675] [2020-11-29 18:48:49,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:48:49,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:49,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:48:49,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:48:49,823 INFO L87 Difference]: Start difference. First operand 260 states and 364 transitions. Second operand 5 states. [2020-11-29 18:48:49,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:49,999 INFO L93 Difference]: Finished difference Result 592 states and 842 transitions. [2020-11-29 18:48:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 18:48:50,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-29 18:48:50,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:50,003 INFO L225 Difference]: With dead ends: 592 [2020-11-29 18:48:50,004 INFO L226 Difference]: Without dead ends: 590 [2020-11-29 18:48:50,004 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 [2020-11-29 18:48:50,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-11-29 18:48:50,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 260. [2020-11-29 18:48:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-11-29 18:48:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 362 transitions. [2020-11-29 18:48:50,055 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 362 transitions. Word has length 26 [2020-11-29 18:48:50,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:50,058 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 362 transitions. [2020-11-29 18:48:50,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:48:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 362 transitions. [2020-11-29 18:48:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:48:50,066 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:50,066 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] [2020-11-29 18:48:50,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:48:50,067 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:50,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:50,072 INFO L82 PathProgramCache]: Analyzing trace with hash -96374273, now seen corresponding path program 1 times [2020-11-29 18:48:50,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:50,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538617263] [2020-11-29 18:48:50,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:50,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538617263] [2020-11-29 18:48:50,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:50,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:50,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875593162] [2020-11-29 18:48:50,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:48:50,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:50,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:48:50,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:48:50,150 INFO L87 Difference]: Start difference. First operand 260 states and 362 transitions. Second operand 4 states. [2020-11-29 18:48:50,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:50,302 INFO L93 Difference]: Finished difference Result 556 states and 785 transitions. [2020-11-29 18:48:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:48:50,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-11-29 18:48:50,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:50,306 INFO L225 Difference]: With dead ends: 556 [2020-11-29 18:48:50,307 INFO L226 Difference]: Without dead ends: 393 [2020-11-29 18:48:50,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:48:50,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-11-29 18:48:50,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2020-11-29 18:48:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-11-29 18:48:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 539 transitions. [2020-11-29 18:48:50,338 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 539 transitions. Word has length 35 [2020-11-29 18:48:50,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:50,340 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 539 transitions. [2020-11-29 18:48:50,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:48:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 539 transitions. [2020-11-29 18:48:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:48:50,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:50,343 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] [2020-11-29 18:48:50,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 18:48:50,343 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:50,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:50,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1376237951, now seen corresponding path program 1 times [2020-11-29 18:48:50,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:50,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658038137] [2020-11-29 18:48:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:50,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658038137] [2020-11-29 18:48:50,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:50,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:48:50,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63815652] [2020-11-29 18:48:50,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:48:50,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:50,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:48:50,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:48:50,415 INFO L87 Difference]: Start difference. First operand 389 states and 539 transitions. Second operand 4 states. [2020-11-29 18:48:50,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:50,536 INFO L93 Difference]: Finished difference Result 1122 states and 1572 transitions. [2020-11-29 18:48:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:48:50,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-11-29 18:48:50,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:50,542 INFO L225 Difference]: With dead ends: 1122 [2020-11-29 18:48:50,543 INFO L226 Difference]: Without dead ends: 828 [2020-11-29 18:48:50,545 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 [2020-11-29 18:48:50,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-11-29 18:48:50,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 389. [2020-11-29 18:48:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-11-29 18:48:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 533 transitions. [2020-11-29 18:48:50,597 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 533 transitions. Word has length 35 [2020-11-29 18:48:50,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:50,598 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 533 transitions. [2020-11-29 18:48:50,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:48:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 533 transitions. [2020-11-29 18:48:50,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:48:50,599 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:50,599 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] [2020-11-29 18:48:50,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:48:50,599 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:50,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:50,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1963043965, now seen corresponding path program 1 times [2020-11-29 18:48:50,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:50,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319629406] [2020-11-29 18:48:50,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:50,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319629406] [2020-11-29 18:48:50,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:50,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:48:50,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214329680] [2020-11-29 18:48:50,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:48:50,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:50,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:48:50,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:48:50,686 INFO L87 Difference]: Start difference. First operand 389 states and 533 transitions. Second operand 5 states. [2020-11-29 18:48:50,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:50,972 INFO L93 Difference]: Finished difference Result 1228 states and 1696 transitions. [2020-11-29 18:48:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:48:50,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-11-29 18:48:50,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:50,978 INFO L225 Difference]: With dead ends: 1228 [2020-11-29 18:48:50,979 INFO L226 Difference]: Without dead ends: 934 [2020-11-29 18:48:50,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:48:50,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-11-29 18:48:51,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 420. [2020-11-29 18:48:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-11-29 18:48:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 579 transitions. [2020-11-29 18:48:51,021 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 579 transitions. Word has length 35 [2020-11-29 18:48:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:51,021 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 579 transitions. [2020-11-29 18:48:51,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:48:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 579 transitions. [2020-11-29 18:48:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 18:48:51,023 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:51,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:51,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 18:48:51,024 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:51,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:51,024 INFO L82 PathProgramCache]: Analyzing trace with hash -398374051, now seen corresponding path program 1 times [2020-11-29 18:48:51,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:51,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195810975] [2020-11-29 18:48:51,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:48:51,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195810975] [2020-11-29 18:48:51,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:51,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:51,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170618191] [2020-11-29 18:48:51,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:51,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:51,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:51,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:51,093 INFO L87 Difference]: Start difference. First operand 420 states and 579 transitions. Second operand 3 states. [2020-11-29 18:48:51,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:51,219 INFO L93 Difference]: Finished difference Result 703 states and 966 transitions. [2020-11-29 18:48:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:51,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-11-29 18:48:51,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:51,227 INFO L225 Difference]: With dead ends: 703 [2020-11-29 18:48:51,227 INFO L226 Difference]: Without dead ends: 289 [2020-11-29 18:48:51,228 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 [2020-11-29 18:48:51,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-11-29 18:48:51,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 281. [2020-11-29 18:48:51,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-29 18:48:51,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 381 transitions. [2020-11-29 18:48:51,261 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 381 transitions. Word has length 52 [2020-11-29 18:48:51,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:51,261 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 381 transitions. [2020-11-29 18:48:51,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 381 transitions. [2020-11-29 18:48:51,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:48:51,263 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:51,263 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:51,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 18:48:51,266 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:51,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:51,266 INFO L82 PathProgramCache]: Analyzing trace with hash -353518329, now seen corresponding path program 1 times [2020-11-29 18:48:51,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:51,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619096267] [2020-11-29 18:48:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:48:51,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619096267] [2020-11-29 18:48:51,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:51,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:48:51,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467012860] [2020-11-29 18:48:51,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:48:51,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:51,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:48:51,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:48:51,347 INFO L87 Difference]: Start difference. First operand 281 states and 381 transitions. Second operand 5 states. [2020-11-29 18:48:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:51,485 INFO L93 Difference]: Finished difference Result 837 states and 1128 transitions. [2020-11-29 18:48:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:48:51,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-11-29 18:48:51,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:51,489 INFO L225 Difference]: With dead ends: 837 [2020-11-29 18:48:51,489 INFO L226 Difference]: Without dead ends: 562 [2020-11-29 18:48:51,490 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 [2020-11-29 18:48:51,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-11-29 18:48:51,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 293. [2020-11-29 18:48:51,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-11-29 18:48:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 393 transitions. [2020-11-29 18:48:51,527 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 393 transitions. Word has length 59 [2020-11-29 18:48:51,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:51,527 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 393 transitions. [2020-11-29 18:48:51,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:48:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 393 transitions. [2020-11-29 18:48:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:48:51,529 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:51,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:51,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 18:48:51,530 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:51,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:51,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1382877627, now seen corresponding path program 1 times [2020-11-29 18:48:51,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:51,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623909331] [2020-11-29 18:48:51,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:48:51,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623909331] [2020-11-29 18:48:51,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:51,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:48:51,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846507765] [2020-11-29 18:48:51,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:48:51,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:51,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:48:51,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:48:51,608 INFO L87 Difference]: Start difference. First operand 293 states and 393 transitions. Second operand 5 states. [2020-11-29 18:48:51,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:51,756 INFO L93 Difference]: Finished difference Result 678 states and 901 transitions. [2020-11-29 18:48:51,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:48:51,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-11-29 18:48:51,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:51,759 INFO L225 Difference]: With dead ends: 678 [2020-11-29 18:48:51,759 INFO L226 Difference]: Without dead ends: 391 [2020-11-29 18:48:51,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:48:51,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-11-29 18:48:51,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 246. [2020-11-29 18:48:51,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-11-29 18:48:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 322 transitions. [2020-11-29 18:48:51,786 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 322 transitions. Word has length 59 [2020-11-29 18:48:51,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:51,786 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 322 transitions. [2020-11-29 18:48:51,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:48:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 322 transitions. [2020-11-29 18:48:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:48:51,788 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:51,788 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:51,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 18:48:51,788 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:51,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:51,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1909676229, now seen corresponding path program 1 times [2020-11-29 18:48:51,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:51,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084546393] [2020-11-29 18:48:51,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:51,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084546393] [2020-11-29 18:48:51,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034809466] [2020-11-29 18:48:51,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/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 [2020-11-29 18:48:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:52,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:48:52,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:48:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:48:52,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:48:52,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-11-29 18:48:52,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465023536] [2020-11-29 18:48:52,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 18:48:52,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:52,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 18:48:52,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:48:52,283 INFO L87 Difference]: Start difference. First operand 246 states and 322 transitions. Second operand 8 states. [2020-11-29 18:48:52,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:52,642 INFO L93 Difference]: Finished difference Result 898 states and 1194 transitions. [2020-11-29 18:48:52,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 18:48:52,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-11-29 18:48:52,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:52,648 INFO L225 Difference]: With dead ends: 898 [2020-11-29 18:48:52,648 INFO L226 Difference]: Without dead ends: 707 [2020-11-29 18:48:52,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-11-29 18:48:52,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-11-29 18:48:52,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 306. [2020-11-29 18:48:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-29 18:48:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 401 transitions. [2020-11-29 18:48:52,720 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 401 transitions. Word has length 60 [2020-11-29 18:48:52,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:52,721 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 401 transitions. [2020-11-29 18:48:52,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 18:48:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 401 transitions. [2020-11-29 18:48:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 18:48:52,723 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:52,723 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:52,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 18:48:52,942 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:52,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:52,942 INFO L82 PathProgramCache]: Analyzing trace with hash 759521731, now seen corresponding path program 2 times [2020-11-29 18:48:52,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:52,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236792814] [2020-11-29 18:48:52,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:48:53,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236792814] [2020-11-29 18:48:53,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:53,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:48:53,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936468130] [2020-11-29 18:48:53,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:48:53,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:53,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:48:53,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:48:53,107 INFO L87 Difference]: Start difference. First operand 306 states and 401 transitions. Second operand 5 states. [2020-11-29 18:48:53,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:53,545 INFO L93 Difference]: Finished difference Result 922 states and 1223 transitions. [2020-11-29 18:48:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:48:53,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-11-29 18:48:53,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:53,550 INFO L225 Difference]: With dead ends: 922 [2020-11-29 18:48:53,550 INFO L226 Difference]: Without dead ends: 664 [2020-11-29 18:48:53,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:48:53,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-11-29 18:48:53,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 422. [2020-11-29 18:48:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-11-29 18:48:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 552 transitions. [2020-11-29 18:48:53,626 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 552 transitions. Word has length 85 [2020-11-29 18:48:53,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:53,626 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 552 transitions. [2020-11-29 18:48:53,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:48:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 552 transitions. [2020-11-29 18:48:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 18:48:53,631 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:53,631 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:53,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 18:48:53,631 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:53,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:53,632 INFO L82 PathProgramCache]: Analyzing trace with hash 365154945, now seen corresponding path program 1 times [2020-11-29 18:48:53,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:53,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065403666] [2020-11-29 18:48:53,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:48:53,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065403666] [2020-11-29 18:48:53,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461232736] [2020-11-29 18:48:53,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:48:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:53,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:48:53,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:48:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 18:48:53,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:48:53,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-11-29 18:48:53,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131111312] [2020-11-29 18:48:53,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:48:53,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:53,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:48:53,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:48:53,961 INFO L87 Difference]: Start difference. First operand 422 states and 552 transitions. Second operand 5 states. [2020-11-29 18:48:54,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:54,085 INFO L93 Difference]: Finished difference Result 811 states and 1058 transitions. [2020-11-29 18:48:54,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:48:54,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-11-29 18:48:54,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:54,087 INFO L225 Difference]: With dead ends: 811 [2020-11-29 18:48:54,087 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:48:54,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:48:54,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:48:54,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:48:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:48:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:48:54,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-11-29 18:48:54,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:54,089 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:48:54,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:48:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:48:54,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:48:54,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 18:48:54,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:48:54,725 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 101 [2020-11-29 18:48:55,209 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 172 [2020-11-29 18:48:55,400 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 106 [2020-11-29 18:48:55,863 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-11-29 18:48:56,239 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 172 [2020-11-29 18:48:56,486 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 128 [2020-11-29 18:48:56,816 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 153 [2020-11-29 18:48:57,276 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2020-11-29 18:48:57,988 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 9 [2020-11-29 18:48:59,003 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2020-11-29 18:48:59,534 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 26 [2020-11-29 18:49:00,570 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 28 [2020-11-29 18:49:01,322 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2020-11-29 18:49:01,841 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2020-11-29 18:49:02,324 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-11-29 18:49:02,517 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2020-11-29 18:49:02,660 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 19 [2020-11-29 18:49:02,870 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2020-11-29 18:49:02,975 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2020-11-29 18:49:03,616 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-1(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-3(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-4(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-5(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-6(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-7(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-8(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-9(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-10(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,692 INFO L274 CegarLoopResult]: For program point L300-11(lines 300 317) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L896-3(lines 896 900) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L896-6(lines 896 900) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L304(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L304-1(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L304-2(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L304-3(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L304-4(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,693 INFO L274 CegarLoopResult]: For program point L304-5(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L304-6(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L304-7(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L304-8(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L304-9(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L304-10(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L270 CegarLoopResult]: At program point L965(lines 960 968) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse4) (and (= 0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4))) [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L304-11(lines 304 312) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L270 CegarLoopResult]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2020-11-29 18:49:03,694 INFO L270 CegarLoopResult]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L270 CegarLoopResult]: At program point L504-1(lines 504 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-11-29 18:49:03,694 INFO L270 CegarLoopResult]: At program point L245(lines 194 246) the Hoare annotation is: false [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L973(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,694 INFO L274 CegarLoopResult]: For program point L973-1(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-2(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-3(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-4(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-5(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-6(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-7(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-8(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-9(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-10(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L973-11(lines 973 979) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L274 CegarLoopResult]: For program point L908(lines 908 912) no Hoare annotation was computed. [2020-11-29 18:49:03,695 INFO L270 CegarLoopResult]: At program point L978(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,695 INFO L270 CegarLoopResult]: At program point L978-1(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-11-29 18:49:03,695 INFO L270 CegarLoopResult]: At program point L978-2(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-3(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-4(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-5(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-6(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-7(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-8(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-9(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-10(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L978-11(lines 969 982) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-29 18:49:03,696 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 18:49:03,696 INFO L274 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,696 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,696 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:49:03,696 INFO L274 CegarLoopResult]: For program point L388-4(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,696 INFO L274 CegarLoopResult]: For program point L388-6(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L388-8(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L388-10(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L58-1(lines 268 274) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L388-12(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L388-14(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L388-16(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L388-18(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L388-20(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L388-22(lines 388 394) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L920(lines 920 924) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L326(lines 326 343) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L326-1(lines 326 343) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L326-2(lines 326 343) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L326-3(lines 326 343) no Hoare annotation was computed. [2020-11-29 18:49:03,697 INFO L274 CegarLoopResult]: For program point L326-4(lines 326 343) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point L326-5(lines 326 343) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L270 CegarLoopResult]: At program point L988(lines 983 991) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:49:03,698 INFO L270 CegarLoopResult]: At program point L988-1(lines 983 991) the Hoare annotation is: false [2020-11-29 18:49:03,698 INFO L270 CegarLoopResult]: At program point L988-2(lines 983 991) the Hoare annotation is: false [2020-11-29 18:49:03,698 INFO L270 CegarLoopResult]: At program point L988-3(lines 983 991) the Hoare annotation is: false [2020-11-29 18:49:03,698 INFO L270 CegarLoopResult]: At program point L988-4(lines 983 991) the Hoare annotation is: false [2020-11-29 18:49:03,698 INFO L270 CegarLoopResult]: At program point L988-5(lines 983 991) the Hoare annotation is: false [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point L196(lines 195 244) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point L197(lines 197 201) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point L330(lines 330 338) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point L330-1(lines 330 338) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2020-11-29 18:49:03,698 INFO L274 CegarLoopResult]: For program point L330-3(lines 330 338) no Hoare annotation was computed. [2020-11-29 18:49:03,699 INFO L274 CegarLoopResult]: For program point L330-4(lines 330 338) no Hoare annotation was computed. [2020-11-29 18:49:03,699 INFO L274 CegarLoopResult]: For program point L330-5(lines 330 338) no Hoare annotation was computed. [2020-11-29 18:49:03,699 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-29 18:49:03,699 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-29 18:49:03,699 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 18:49:03,699 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 18:49:03,699 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 18:49:03,699 INFO L270 CegarLoopResult]: At program point L268(lines 267 286) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-11-29 18:49:03,699 INFO L274 CegarLoopResult]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2020-11-29 18:49:03,700 INFO L270 CegarLoopResult]: At program point L268-2(lines 267 286) the Hoare annotation is: false [2020-11-29 18:49:03,700 INFO L270 CegarLoopResult]: At program point L268-3(lines 267 286) the Hoare annotation is: false [2020-11-29 18:49:03,700 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-11-29 18:49:03,700 INFO L270 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse1 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse3))) [2020-11-29 18:49:03,701 INFO L270 CegarLoopResult]: At program point L933(lines 928 936) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:49:03,701 INFO L270 CegarLoopResult]: At program point L933-1(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,701 INFO L270 CegarLoopResult]: At program point L933-2(lines 928 936) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:49:03,701 INFO L270 CegarLoopResult]: At program point L933-3(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,701 INFO L270 CegarLoopResult]: At program point L933-4(lines 928 936) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:49:03,702 INFO L270 CegarLoopResult]: At program point L933-5(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,702 INFO L270 CegarLoopResult]: At program point L933-6(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,702 INFO L270 CegarLoopResult]: At program point L933-7(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,702 INFO L270 CegarLoopResult]: At program point L933-8(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,702 INFO L270 CegarLoopResult]: At program point L933-9(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,702 INFO L270 CegarLoopResult]: At program point L933-10(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,702 INFO L270 CegarLoopResult]: At program point L933-11(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,703 INFO L270 CegarLoopResult]: At program point L933-12(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,703 INFO L270 CegarLoopResult]: At program point L933-13(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,703 INFO L274 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,703 INFO L270 CegarLoopResult]: At program point L933-14(lines 928 936) the Hoare annotation is: false [2020-11-29 18:49:03,703 INFO L274 CegarLoopResult]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,703 INFO L274 CegarLoopResult]: For program point L471-3(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,703 INFO L274 CegarLoopResult]: For program point L471-5(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,703 INFO L274 CegarLoopResult]: For program point L471-6(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,704 INFO L274 CegarLoopResult]: For program point L471-8(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,704 INFO L274 CegarLoopResult]: For program point L471-9(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,704 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-29 18:49:03,704 INFO L274 CegarLoopResult]: For program point L471-11(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,704 INFO L274 CegarLoopResult]: For program point L471-12(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,704 INFO L274 CegarLoopResult]: For program point L471-14(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,704 INFO L274 CegarLoopResult]: For program point L471-15(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,715 INFO L274 CegarLoopResult]: For program point L471-17(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,715 INFO L274 CegarLoopResult]: For program point L471-18(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,715 INFO L274 CegarLoopResult]: For program point L471-20(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,715 INFO L274 CegarLoopResult]: For program point L471-21(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,715 INFO L274 CegarLoopResult]: For program point L471-23(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,715 INFO L274 CegarLoopResult]: For program point L471-24(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,715 INFO L274 CegarLoopResult]: For program point L471-26(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,715 INFO L274 CegarLoopResult]: For program point L471-27(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,716 INFO L274 CegarLoopResult]: For program point L471-29(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,716 INFO L274 CegarLoopResult]: For program point L471-30(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,716 INFO L274 CegarLoopResult]: For program point L471-32(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,716 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:49:03,716 INFO L274 CegarLoopResult]: For program point L471-33(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,716 INFO L274 CegarLoopResult]: For program point L471-35(lines 471 475) no Hoare annotation was computed. [2020-11-29 18:49:03,716 INFO L270 CegarLoopResult]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3) (and .cse4 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse3))) [2020-11-29 18:49:03,716 INFO L270 CegarLoopResult]: At program point L275-1(lines 275 281) the Hoare annotation is: false [2020-11-29 18:49:03,716 INFO L270 CegarLoopResult]: At program point L275-2(lines 275 281) the Hoare annotation is: false [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477-1(lines 462 480) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 (not .cse2) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477-2(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477-3(lines 462 480) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 (not .cse3) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse4 (<= 1 ~waterLevel~0)))) [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477-4(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477-5(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477-6(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477-7(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,717 INFO L270 CegarLoopResult]: At program point L477-8(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L477-9(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L477-10(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L477-11(lines 462 480) the Hoare annotation is: false [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L413(lines 406 416) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L413-1(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L413-2(lines 406 416) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L413-3(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L413-4(lines 406 416) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L413-5(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,718 INFO L274 CegarLoopResult]: For program point L215(lines 215 221) no Hoare annotation was computed. [2020-11-29 18:49:03,718 INFO L270 CegarLoopResult]: At program point L413-6(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L215-1(lines 215 221) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse1 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse3))) [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L413-7(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L413-8(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L413-9(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L413-10(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L413-11(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L413-12(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L413-13(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L270 CegarLoopResult]: At program point L413-14(lines 406 416) the Hoare annotation is: false [2020-11-29 18:49:03,719 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-29 18:49:03,719 INFO L274 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-11-29 18:49:03,719 INFO L274 CegarLoopResult]: For program point L150-2(line 150) no Hoare annotation was computed. [2020-11-29 18:49:03,719 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:49:03,719 INFO L274 CegarLoopResult]: For program point L352(lines 352 369) no Hoare annotation was computed. [2020-11-29 18:49:03,719 INFO L274 CegarLoopResult]: For program point L352-1(lines 352 369) no Hoare annotation was computed. [2020-11-29 18:49:03,719 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2020-11-29 18:49:03,720 INFO L270 CegarLoopResult]: At program point L1015(lines 1 1026) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 18:49:03,720 INFO L270 CegarLoopResult]: At program point L422(lines 417 425) the Hoare annotation is: false [2020-11-29 18:49:03,720 INFO L270 CegarLoopResult]: At program point L422-1(lines 417 425) the Hoare annotation is: false [2020-11-29 18:49:03,720 INFO L274 CegarLoopResult]: For program point L356(lines 356 364) no Hoare annotation was computed. [2020-11-29 18:49:03,720 INFO L270 CegarLoopResult]: At program point L422-2(lines 417 425) the Hoare annotation is: false [2020-11-29 18:49:03,720 INFO L274 CegarLoopResult]: For program point L356-1(lines 356 364) no Hoare annotation was computed. [2020-11-29 18:49:03,720 INFO L274 CegarLoopResult]: For program point L356-2(lines 356 364) no Hoare annotation was computed. [2020-11-29 18:49:03,720 INFO L274 CegarLoopResult]: For program point L225(lines 225 240) no Hoare annotation was computed. [2020-11-29 18:49:03,720 INFO L274 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,720 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,720 INFO L274 CegarLoopResult]: For program point L490-3(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,720 INFO L274 CegarLoopResult]: For program point L490-5(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L490-6(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L490-8(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L490-9(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L490-11(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L490-12(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L490-14(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L490-15(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L490-17(lines 490 494) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L270 CegarLoopResult]: At program point L1023(lines 1018 1026) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L165(lines 165 178) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L270 CegarLoopResult]: At program point L165-1(lines 1 1026) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse2 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5 .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse4) (and (= ~waterLevel~0 1) .cse5 .cse1 .cse2))) [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L270 CegarLoopResult]: At program point L165-3(lines 1 1026) the Hoare annotation is: false [2020-11-29 18:49:03,721 INFO L274 CegarLoopResult]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2020-11-29 18:49:03,721 INFO L270 CegarLoopResult]: At program point L165-5(lines 1 1026) the Hoare annotation is: false [2020-11-29 18:49:03,722 INFO L270 CegarLoopResult]: At program point L496(lines 481 499) the Hoare annotation is: (and (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0)) [2020-11-29 18:49:03,722 INFO L270 CegarLoopResult]: At program point L496-1(lines 481 499) the Hoare annotation is: false [2020-11-29 18:49:03,722 INFO L270 CegarLoopResult]: At program point L496-2(lines 481 499) the Hoare annotation is: false [2020-11-29 18:49:03,722 INFO L270 CegarLoopResult]: At program point L496-3(lines 481 499) the Hoare annotation is: false [2020-11-29 18:49:03,722 INFO L270 CegarLoopResult]: At program point L496-4(lines 481 499) the Hoare annotation is: false [2020-11-29 18:49:03,722 INFO L270 CegarLoopResult]: At program point L496-5(lines 481 499) the Hoare annotation is: false [2020-11-29 18:49:03,722 INFO L274 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-11-29 18:49:03,722 INFO L270 CegarLoopResult]: At program point L233-1(lines 268 274) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~waterLevel~0 1)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3) (and .cse5 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3))) [2020-11-29 18:49:03,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:49:03 BoogieIcfgContainer [2020-11-29 18:49:03,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:49:03,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:49:03,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:49:03,759 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:49:03,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:48:48" (3/4) ... [2020-11-29 18:49:03,762 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:49:03,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 18:49:03,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 18:49:03,798 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 18:49:03,800 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 18:49:03,803 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:49:03,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:49:03,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:49:03,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result)) || ((((((\result == 0 && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 18:49:03,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 18:49:03,837 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 18:49:03,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 18:49:03,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-11-29 18:49:03,842 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 18:49:03,844 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 18:49:03,846 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 [2020-11-29 18:49:03,847 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 18:49:03,848 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && tmp == 0 [2020-11-29 18:49:03,848 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-11-29 18:49:03,849 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 18:49:03,849 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-11-29 18:49:03,851 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-11-29 18:49:03,852 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-11-29 18:49:04,013 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b6f19ea8-55e4-4ef6-b787-e89f45faa007/bin/uautomizer/witness.graphml [2020-11-29 18:49:04,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:49:04,014 INFO L168 Benchmark]: Toolchain (without parser) took 18218.10 ms. Allocated memory was 88.1 MB in the beginning and 339.7 MB in the end (delta: 251.7 MB). Free memory was 57.6 MB in the beginning and 301.5 MB in the end (delta: -243.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:04,015 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 45.0 MB in the beginning and 44.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:49:04,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.74 ms. Allocated memory is still 88.1 MB. Free memory was 57.4 MB in the beginning and 54.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:04,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.71 ms. Allocated memory is still 88.1 MB. Free memory was 54.5 MB in the beginning and 48.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:04,016 INFO L168 Benchmark]: Boogie Preprocessor took 63.30 ms. Allocated memory is still 88.1 MB. Free memory was 48.6 MB in the beginning and 44.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:04,016 INFO L168 Benchmark]: RCFGBuilder took 1655.57 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 44.4 MB in the beginning and 45.1 MB in the end (delta: -699.9 kB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:04,017 INFO L168 Benchmark]: TraceAbstraction took 15539.61 ms. Allocated memory was 107.0 MB in the beginning and 339.7 MB in the end (delta: 232.8 MB). Free memory was 45.1 MB in the beginning and 123.4 MB in the end (delta: -78.3 MB). Peak memory consumption was 170.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:04,017 INFO L168 Benchmark]: Witness Printer took 254.91 ms. Allocated memory is still 339.7 MB. Free memory was 123.4 MB in the beginning and 301.5 MB in the end (delta: -178.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:04,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 45.0 MB in the beginning and 44.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 572.74 ms. Allocated memory is still 88.1 MB. Free memory was 57.4 MB in the beginning and 54.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.71 ms. Allocated memory is still 88.1 MB. Free memory was 54.5 MB in the beginning and 48.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.30 ms. Allocated memory is still 88.1 MB. Free memory was 48.6 MB in the beginning and 44.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1655.57 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 44.4 MB in the beginning and 45.1 MB in the end (delta: -699.9 kB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15539.61 ms. Allocated memory was 107.0 MB in the beginning and 339.7 MB in the end (delta: 232.8 MB). Free memory was 45.1 MB in the beginning and 123.4 MB in the end (delta: -78.3 MB). Peak memory consumption was 170.5 MB. Max. memory is 16.1 GB. * Witness Printer took 254.91 ms. Allocated memory is still 339.7 MB. Free memory was 123.4 MB in the beginning and 301.5 MB in the end (delta: -178.1 MB). Peak memory consumption was 14.7 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: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1018]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result)) || ((((((\result == 0 && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && tmp == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 230 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2576 SDtfs, 2822 SDslu, 3981 SDs, 0 SdLazy, 504 SolverSat, 103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 2528 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 250 NumberOfFragments, 777 HoareAnnotationTreeSize, 92 FomulaSimplifications, 3453290 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 92 FomulaSimplificationsInter, 346004 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 781 NumberOfCodeBlocks, 781 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 764 ConstructedInterpolants, 0 QuantifiedInterpolants, 64364 SizeOfPredicates, 8 NumberOfNonLiveVariables, 996 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 221/229 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...