./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD --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 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:35:21,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:35:21,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:35:21,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:35:21,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:35:21,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:35:21,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:35:21,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:35:21,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:35:21,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:35:21,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:35:21,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:35:21,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:35:21,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:35:21,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:35:21,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:35:21,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:35:21,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:35:21,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:35:21,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:35:21,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:35:21,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:35:21,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:35:21,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:35:21,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:35:21,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:35:21,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:35:21,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:35:21,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:35:21,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:35:21,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:35:21,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:35:21,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:35:21,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:35:21,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:35:21,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:35:21,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:35:21,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:35:21,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:35:21,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:35:21,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:35:21,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:35:21,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:35:21,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:35:21,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:35:21,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:35:21,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:35:21,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:35:21,254 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:35:21,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:35:21,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:35:21,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:35:21,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:35:21,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:35:21,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:35:21,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:35:21,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:35:21,255 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:35:21,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:35:21,256 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:35:21,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:35:21,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:35:21,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:35:21,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:35:21,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:35:21,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:35:21,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:35:21,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:35:21,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:35:21,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:35:21,258 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:35:21,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:35:21,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:35:21,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:35:21,259 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_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee [2021-10-28 23:35:21,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:35:21,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:35:21,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:35:21,525 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:35:21,526 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:35:21,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2021-10-28 23:35:21,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/data/e1eec0926/051fdf3fe96946a386a535d06a5f977f/FLAG413beba0d [2021-10-28 23:35:22,163 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:35:22,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2021-10-28 23:35:22,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/data/e1eec0926/051fdf3fe96946a386a535d06a5f977f/FLAG413beba0d [2021-10-28 23:35:22,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/data/e1eec0926/051fdf3fe96946a386a535d06a5f977f [2021-10-28 23:35:22,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:35:22,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:35:22,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:35:22,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:35:22,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:35:22,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:35:22" (1/1) ... [2021-10-28 23:35:22,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ab2cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:22, skipping insertion in model container [2021-10-28 23:35:22,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:35:22" (1/1) ... [2021-10-28 23:35:22,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:35:22,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:35:22,753 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618] [2021-10-28 23:35:22,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:35:22,940 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:35:22,952 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618] [2021-10-28 23:35:23,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:35:23,080 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:35:23,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23 WrapperNode [2021-10-28 23:35:23,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:35:23,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:35:23,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:35:23,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:35:23,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:35:23,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:35:23,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:35:23,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:35:23,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:35:23,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:35:23,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:35:23,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:35:23,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (1/1) ... [2021-10-28 23:35:23,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:35:23,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:35:23,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:35:23,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:35:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:35:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:35:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:35:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:35:24,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:35:24,079 INFO L299 CfgBuilder]: Removed 108 assume(true) statements. [2021-10-28 23:35:24,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:35:24 BoogieIcfgContainer [2021-10-28 23:35:24,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:35:24,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:35:24,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:35:24,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:35:24,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:35:22" (1/3) ... [2021-10-28 23:35:24,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42af31e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:35:24, skipping insertion in model container [2021-10-28 23:35:24,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:23" (2/3) ... [2021-10-28 23:35:24,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42af31e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:35:24, skipping insertion in model container [2021-10-28 23:35:24,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:35:24" (3/3) ... [2021-10-28 23:35:24,091 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2021-10-28 23:35:24,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:35:24,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:35:24,146 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:35:24,152 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:35:24,152 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:35:24,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:24,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:35:24,174 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:24,175 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:35:24,175 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:24,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:24,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times [2021-10-28 23:35:24,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:24,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867124306] [2021-10-28 23:35:24,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:24,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:35:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:35:24,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:35:24,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867124306] [2021-10-28 23:35:24,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867124306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:35:24,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:35:24,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:35:24,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083900779] [2021-10-28 23:35:24,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:35:24,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:35:24,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:35:24,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:35:24,460 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:35:24,499 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-28 23:35:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:35:24,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 23:35:24,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:35:24,512 INFO L225 Difference]: With dead ends: 148 [2021-10-28 23:35:24,512 INFO L226 Difference]: Without dead ends: 73 [2021-10-28 23:35:24,516 INFO L786 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 [2021-10-28 23:35:24,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-28 23:35:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-28 23:35:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-28 23:35:24,570 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2021-10-28 23:35:24,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:35:24,571 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-28 23:35:24,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-28 23:35:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:35:24,574 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:24,574 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:35:24,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:35:24,574 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:24,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:24,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times [2021-10-28 23:35:24,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:24,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914186311] [2021-10-28 23:35:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:24,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:35:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:35:24,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:35:24,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914186311] [2021-10-28 23:35:24,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914186311] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:35:24,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:35:24,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:35:24,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209384800] [2021-10-28 23:35:24,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:35:24,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:35:24,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:35:24,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:35:24,767 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:24,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:35:24,790 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-28 23:35:24,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:35:24,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 23:35:24,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:35:24,793 INFO L225 Difference]: With dead ends: 73 [2021-10-28 23:35:24,793 INFO L226 Difference]: Without dead ends: 35 [2021-10-28 23:35:24,794 INFO L786 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 [2021-10-28 23:35:24,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-28 23:35:24,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-28 23:35:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-28 23:35:24,807 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-28 23:35:24,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:35:24,808 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-28 23:35:24,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-28 23:35:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:35:24,810 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:24,811 INFO L513 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] [2021-10-28 23:35:24,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:35:24,811 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:24,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times [2021-10-28 23:35:24,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:24,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076981309] [2021-10-28 23:35:24,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:24,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:35:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:35:24,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:35:24,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076981309] [2021-10-28 23:35:24,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076981309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:35:24,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:35:24,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:35:24,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702615251] [2021-10-28 23:35:24,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:35:24,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:35:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:35:24,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:35:24,941 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:25,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:35:25,011 INFO L93 Difference]: Finished difference Result 89 states and 129 transitions. [2021-10-28 23:35:25,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:35:25,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 23:35:25,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:35:25,015 INFO L225 Difference]: With dead ends: 89 [2021-10-28 23:35:25,015 INFO L226 Difference]: Without dead ends: 60 [2021-10-28 23:35:25,016 INFO L786 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 [2021-10-28 23:35:25,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-28 23:35:25,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2021-10-28 23:35:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:25,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-28 23:35:25,034 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2021-10-28 23:35:25,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:35:25,035 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-28 23:35:25,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:25,036 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-28 23:35:25,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 23:35:25,038 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:25,038 INFO L513 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] [2021-10-28 23:35:25,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:35:25,040 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:25,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:25,041 INFO L85 PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times [2021-10-28 23:35:25,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:25,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620056512] [2021-10-28 23:35:25,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:25,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:35:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:35:25,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:35:25,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620056512] [2021-10-28 23:35:25,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620056512] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:35:25,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:35:25,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:35:25,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505332629] [2021-10-28 23:35:25,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:35:25,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:35:25,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:35:25,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:35:25,170 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:25,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:35:25,251 INFO L93 Difference]: Finished difference Result 292 states and 446 transitions. [2021-10-28 23:35:25,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:35:25,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-28 23:35:25,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:35:25,258 INFO L225 Difference]: With dead ends: 292 [2021-10-28 23:35:25,258 INFO L226 Difference]: Without dead ends: 242 [2021-10-28 23:35:25,260 INFO L786 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 [2021-10-28 23:35:25,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-28 23:35:25,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 100. [2021-10-28 23:35:25,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2021-10-28 23:35:25,298 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 25 [2021-10-28 23:35:25,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:35:25,299 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2021-10-28 23:35:25,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2021-10-28 23:35:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:35:25,306 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:25,306 INFO L513 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] [2021-10-28 23:35:25,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:35:25,307 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:25,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times [2021-10-28 23:35:25,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:25,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881880958] [2021-10-28 23:35:25,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:25,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:35:25,414 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:35:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:35:25,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:35:25,553 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:35:25,554 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:35:25,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:35:25,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:35:25,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:35:25,560 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 23:35:25,564 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:35:25,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:35:25 BoogieIcfgContainer [2021-10-28 23:35:25,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:35:25,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:35:25,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:35:25,679 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:35:25,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:35:24" (3/4) ... [2021-10-28 23:35:25,682 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:35:25,797 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:35:25,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:35:25,799 INFO L168 Benchmark]: Toolchain (without parser) took 3319.07 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 59.2 MB in the beginning and 91.6 MB in the end (delta: -32.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:25,800 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:35:25,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.93 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 59.0 MB in the beginning and 98.2 MB in the end (delta: -39.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:25,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.83 ms. Allocated memory is still 130.0 MB. Free memory was 98.2 MB in the beginning and 95.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:25,801 INFO L168 Benchmark]: Boogie Preprocessor took 36.40 ms. Allocated memory is still 130.0 MB. Free memory was 95.0 MB in the beginning and 92.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:25,802 INFO L168 Benchmark]: RCFGBuilder took 896.47 ms. Allocated memory is still 130.0 MB. Free memory was 92.9 MB in the beginning and 97.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:25,802 INFO L168 Benchmark]: TraceAbstraction took 1594.93 ms. Allocated memory is still 130.0 MB. Free memory was 97.2 MB in the beginning and 102.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:25,803 INFO L168 Benchmark]: Witness Printer took 118.83 ms. Allocated memory is still 130.0 MB. Free memory was 102.3 MB in the beginning and 91.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:35:25,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.93 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 59.0 MB in the beginning and 98.2 MB in the end (delta: -39.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.83 ms. Allocated memory is still 130.0 MB. Free memory was 98.2 MB in the beginning and 95.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.40 ms. Allocated memory is still 130.0 MB. Free memory was 95.0 MB in the beginning and 92.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 896.47 ms. Allocated memory is still 130.0 MB. Free memory was 92.9 MB in the beginning and 97.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1594.93 ms. Allocated memory is still 130.0 MB. Free memory was 97.2 MB in the beginning and 102.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. * Witness Printer took 118.83 ms. Allocated memory is still 130.0 MB. Free memory was 102.3 MB in the beginning and 91.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L59] int cleanupTimeShifts = 4; [L332] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L806] int retValue_acc ; [L809] retValue_acc = 1 [L810] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L549] tmp = __VERIFIER_nondet_int() [L551] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L834] COND TRUE waterLevel < 2 [L835] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp___2) [L775] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L614] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND TRUE \read(systemActive) [L643] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L897] int tmp ; [L898] int tmp___0 ; [L899] int tmp___1 ; [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] tmp___0 = getWaterLevel() [L911] COND TRUE tmp___0 == 2 [L712] int retValue_acc ; [L715] retValue_acc = pumpRunning [L716] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L913] tmp___1 = isPumpRunning() [L915] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L54] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 447 SDslu, 230 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect! [2021-10-28 23:35:25,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daffaeed-b7d4-4383-bf95-1d5d5bb53141/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...