./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be --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 aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:07:56,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:07:56,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:07:56,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:07:56,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:07:56,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:07:56,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:07:56,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:07:56,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:07:56,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:07:56,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:07:56,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:07:56,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:07:56,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:07:56,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:07:56,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:07:56,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:07:56,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:07:56,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:07:56,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:07:56,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:07:56,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:07:56,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:07:56,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:07:56,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:07:56,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:07:56,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:07:56,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:07:56,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:07:56,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:07:56,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:07:56,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:07:56,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:07:56,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:07:56,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:07:56,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:07:56,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:07:56,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:07:56,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:07:56,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:07:56,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:07:56,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:07:56,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:07:56,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:07:56,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:07:56,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:07:56,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:07:56,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:07:56,445 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:07:56,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:07:56,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:07:56,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:07:56,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:07:56,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:07:56,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:07:56,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:07:56,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:07:56,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:07:56,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:07:56,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:07:56,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:07:56,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:07:56,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:07:56,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:07:56,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:07:56,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:07:56,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:07:56,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:07:56,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:07:56,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:07:56,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:07:56,453 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:07:56,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:07:56,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:07:56,453 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_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2021-10-21 20:07:56,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:07:56,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:07:56,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:07:56,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:07:56,774 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:07:56,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-21 20:07:56,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/data/0e260240b/1765916139fb47f8b37b6247d1506b1b/FLAG21ba95303 [2021-10-21 20:07:57,494 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:07:57,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-10-21 20:07:57,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/data/0e260240b/1765916139fb47f8b37b6247d1506b1b/FLAG21ba95303 [2021-10-21 20:07:57,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/data/0e260240b/1765916139fb47f8b37b6247d1506b1b [2021-10-21 20:07:57,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:07:57,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:07:57,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:07:57,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:07:57,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:07:57,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:07:57" (1/1) ... [2021-10-21 20:07:57,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ccf141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:57, skipping insertion in model container [2021-10-21 20:07:57,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:07:57" (1/1) ... [2021-10-21 20:07:57,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:07:57,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:07:58,120 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_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[13023,13036] [2021-10-21 20:07:58,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:07:58,159 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:07:58,208 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_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c[13023,13036] [2021-10-21 20:07:58,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:07:58,260 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:07:58,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58 WrapperNode [2021-10-21 20:07:58,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:07:58,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:07:58,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:07:58,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:07:58,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:07:58,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:07:58,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:07:58,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:07:58,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:07:58,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:07:58,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:07:58,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:07:58,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (1/1) ... [2021-10-21 20:07:58,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:07:58,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:58,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:58,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:07:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:07:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:07:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:07:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:07:59,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:07:59,437 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-21 20:07:59,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:59 BoogieIcfgContainer [2021-10-21 20:07:59,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:07:59,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:07:59,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:07:59,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:07:59,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:07:57" (1/3) ... [2021-10-21 20:07:59,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eff7423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:07:59, skipping insertion in model container [2021-10-21 20:07:59,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:58" (2/3) ... [2021-10-21 20:07:59,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eff7423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:07:59, skipping insertion in model container [2021-10-21 20:07:59,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:59" (3/3) ... [2021-10-21 20:07:59,452 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2021-10-21 20:07:59,458 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:07:59,458 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 20:07:59,515 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:07:59,520 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 [2021-10-21 20:07:59,520 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 20:07:59,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-10-21 20:07:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 20:07:59,542 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:59,542 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:59,543 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:59,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:59,547 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-10-21 20:07:59,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:59,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142747065] [2021-10-21 20:07:59,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:59,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:59,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:59,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142747065] [2021-10-21 20:07:59,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142747065] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:59,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:59,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:07:59,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558491644] [2021-10-21 20:07:59,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:07:59,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:59,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:07:59,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:07:59,815 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-21 20:07:59,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:59,838 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-21 20:07:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:07:59,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-21 20:07:59,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:59,848 INFO L225 Difference]: With dead ends: 144 [2021-10-21 20:07:59,849 INFO L226 Difference]: Without dead ends: 71 [2021-10-21 20:07:59,851 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:07:59,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-21 20:07:59,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-21 20:07:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-10-21 20:07:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-21 20:07:59,888 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-21 20:07:59,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:59,888 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-21 20:07:59,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-21 20:07:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-21 20:07:59,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 20:07:59,890 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:59,890 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:59,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:07:59,891 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:59,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:59,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-10-21 20:07:59,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:59,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389352368] [2021-10-21 20:07:59,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:59,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:00,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:00,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389352368] [2021-10-21 20:08:00,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389352368] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:00,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:00,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:08:00,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320894455] [2021-10-21 20:08:00,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:08:00,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:00,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:08:00,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:00,035 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-21 20:08:00,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:00,044 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-21 20:08:00,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:08:00,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-21 20:08:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:00,046 INFO L225 Difference]: With dead ends: 71 [2021-10-21 20:08:00,046 INFO L226 Difference]: Without dead ends: 33 [2021-10-21 20:08:00,047 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-21 20:08:00,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-21 20:08:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-10-21 20:08:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-21 20:08:00,053 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-21 20:08:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:00,053 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-21 20:08:00,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-21 20:08:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-21 20:08:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 20:08:00,055 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:00,055 INFO L512 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] [2021-10-21 20:08:00,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:08:00,056 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:00,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:00,056 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-10-21 20:08:00,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:00,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386450149] [2021-10-21 20:08:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:00,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:00,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:00,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386450149] [2021-10-21 20:08:00,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386450149] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:00,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:00,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:08:00,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293109430] [2021-10-21 20:08:00,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:08:00,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:00,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:08:00,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:00,150 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-10-21 20:08:00,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:00,156 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-21 20:08:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:08:00,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2021-10-21 20:08:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:00,158 INFO L225 Difference]: With dead ends: 60 [2021-10-21 20:08:00,158 INFO L226 Difference]: Without dead ends: 33 [2021-10-21 20:08:00,159 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:00,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-21 20:08:00,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-21 20:08:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-10-21 20:08:00,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-21 20:08:00,165 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-21 20:08:00,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:00,166 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-21 20:08:00,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-10-21 20:08:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-21 20:08:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 20:08:00,168 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:00,168 INFO L512 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] [2021-10-21 20:08:00,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:08:00,168 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:00,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:00,169 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-10-21 20:08:00,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:00,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429282399] [2021-10-21 20:08:00,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:00,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:00,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:00,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429282399] [2021-10-21 20:08:00,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429282399] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:00,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:00,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:08:00,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18624341] [2021-10-21 20:08:00,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:08:00,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:00,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:08:00,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:00,310 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-21 20:08:00,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:00,427 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-21 20:08:00,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:08:00,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-10-21 20:08:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:00,435 INFO L225 Difference]: With dead ends: 151 [2021-10-21 20:08:00,435 INFO L226 Difference]: Without dead ends: 124 [2021-10-21 20:08:00,437 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 45.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:08:00,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-21 20:08:00,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-21 20:08:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 55 states have internal predecessors, (78), 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) [2021-10-21 20:08:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-21 20:08:00,458 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-21 20:08:00,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:00,458 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-21 20:08:00,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-21 20:08:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-21 20:08:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:08:00,461 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:00,461 INFO L512 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] [2021-10-21 20:08:00,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:08:00,462 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:00,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:00,464 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2021-10-21 20:08:00,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:00,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943750138] [2021-10-21 20:08:00,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:00,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:08:00,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:00,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943750138] [2021-10-21 20:08:00,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943750138] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:00,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:00,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:08:00,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134200553] [2021-10-21 20:08:00,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:08:00,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:00,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:08:00,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:00,615 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-21 20:08:00,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:00,692 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-21 20:08:00,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:08:00,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 [2021-10-21 20:08:00,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:00,693 INFO L225 Difference]: With dead ends: 148 [2021-10-21 20:08:00,693 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:08:00,694 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 56.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:08:00,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:08:00,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:08:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-21 20:08:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:08:00,700 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-21 20:08:00,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:00,701 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:08:00,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-21 20:08:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:08:00,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:08:00,704 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:00,706 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:00,706 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:08:00,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:08:00,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:08:00,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:00,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:08:01,029 INFO L853 garLoopResultBuilder]: At program point L861(lines 814 862) the Hoare annotation is: false [2021-10-21 20:08:01,029 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2021-10-21 20:08:01,029 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-10-21 20:08:01,029 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2021-10-21 20:08:01,029 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:08:01,030 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-10-21 20:08:01,030 INFO L860 garLoopResultBuilder]: At program point L535-1(lines 535 542) the Hoare annotation is: true [2021-10-21 20:08:01,030 INFO L857 garLoopResultBuilder]: For program point L816(lines 815 860) no Hoare annotation was computed. [2021-10-21 20:08:01,030 INFO L853 garLoopResultBuilder]: At program point L800(lines 795 803) the Hoare annotation is: false [2021-10-21 20:08:01,030 INFO L853 garLoopResultBuilder]: At program point L800-1(lines 795 803) the Hoare annotation is: false [2021-10-21 20:08:01,030 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 738) no Hoare annotation was computed. [2021-10-21 20:08:01,031 INFO L853 garLoopResultBuilder]: At program point L800-2(lines 795 803) the Hoare annotation is: false [2021-10-21 20:08:01,031 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 619) no Hoare annotation was computed. [2021-10-21 20:08:01,031 INFO L857 garLoopResultBuilder]: For program point L602-1(lines 602 619) no Hoare annotation was computed. [2021-10-21 20:08:01,031 INFO L857 garLoopResultBuilder]: For program point L602-2(lines 602 619) no Hoare annotation was computed. [2021-10-21 20:08:01,031 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 821) no Hoare annotation was computed. [2021-10-21 20:08:01,031 INFO L857 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2021-10-21 20:08:01,032 INFO L857 garLoopResultBuilder]: For program point L553-1(line 553) no Hoare annotation was computed. [2021-10-21 20:08:01,032 INFO L857 garLoopResultBuilder]: For program point L553-2(line 553) no Hoare annotation was computed. [2021-10-21 20:08:01,032 INFO L853 garLoopResultBuilder]: At program point L900(lines 895 903) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,032 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:08:01,032 INFO L853 garLoopResultBuilder]: At program point L570(lines 569 588) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,033 INFO L857 garLoopResultBuilder]: For program point L570-1(lines 570 576) no Hoare annotation was computed. [2021-10-21 20:08:01,033 INFO L853 garLoopResultBuilder]: At program point L570-2(lines 569 588) the Hoare annotation is: false [2021-10-21 20:08:01,033 INFO L853 garLoopResultBuilder]: At program point L570-3(lines 569 588) the Hoare annotation is: false [2021-10-21 20:08:01,033 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 855) no Hoare annotation was computed. [2021-10-21 20:08:01,033 INFO L857 garLoopResultBuilder]: For program point L851-2(lines 570 576) no Hoare annotation was computed. [2021-10-21 20:08:01,033 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 841) no Hoare annotation was computed. [2021-10-21 20:08:01,033 INFO L853 garLoopResultBuilder]: At program point L835-1(lines 835 841) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,033 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2021-10-21 20:08:01,034 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2021-10-21 20:08:01,034 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 708) no Hoare annotation was computed. [2021-10-21 20:08:01,034 INFO L857 garLoopResultBuilder]: For program point L704-3(lines 704 708) no Hoare annotation was computed. [2021-10-21 20:08:01,034 INFO L857 garLoopResultBuilder]: For program point L704-5(lines 704 708) no Hoare annotation was computed. [2021-10-21 20:08:01,034 INFO L857 garLoopResultBuilder]: For program point L704-6(lines 704 708) no Hoare annotation was computed. [2021-10-21 20:08:01,034 INFO L857 garLoopResultBuilder]: For program point L704-8(lines 704 708) no Hoare annotation was computed. [2021-10-21 20:08:01,035 INFO L853 garLoopResultBuilder]: At program point L655(lines 650 658) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,035 INFO L853 garLoopResultBuilder]: At program point L655-1(lines 650 658) the Hoare annotation is: false [2021-10-21 20:08:01,035 INFO L853 garLoopResultBuilder]: At program point L655-2(lines 650 658) the Hoare annotation is: false [2021-10-21 20:08:01,035 INFO L853 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: false [2021-10-21 20:08:01,035 INFO L857 garLoopResultBuilder]: For program point L606(lines 606 614) no Hoare annotation was computed. [2021-10-21 20:08:01,035 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-10-21 20:08:01,035 INFO L857 garLoopResultBuilder]: For program point L606-1(lines 606 614) no Hoare annotation was computed. [2021-10-21 20:08:01,036 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:08:01,036 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 903) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,036 INFO L857 garLoopResultBuilder]: For program point L606-2(lines 606 614) no Hoare annotation was computed. [2021-10-21 20:08:01,036 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-10-21 20:08:01,036 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 903) the Hoare annotation is: false [2021-10-21 20:08:01,036 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-10-21 20:08:01,037 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 903) the Hoare annotation is: false [2021-10-21 20:08:01,037 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2021-10-21 20:08:01,037 INFO L857 garLoopResultBuilder]: For program point L722-3(lines 722 726) no Hoare annotation was computed. [2021-10-21 20:08:01,037 INFO L857 garLoopResultBuilder]: For program point L722-6(lines 722 726) no Hoare annotation was computed. [2021-10-21 20:08:01,037 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-21 20:08:01,037 INFO L853 garLoopResultBuilder]: At program point L508(lines 504 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,038 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-10-21 20:08:01,038 INFO L857 garLoopResultBuilder]: For program point L461-1(lines 570 576) no Hoare annotation was computed. [2021-10-21 20:08:01,038 INFO L853 garLoopResultBuilder]: At program point L577(lines 577 583) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,038 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-21 20:08:01,038 INFO L853 garLoopResultBuilder]: At program point L577-1(lines 577 583) the Hoare annotation is: false [2021-10-21 20:08:01,038 INFO L860 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2021-10-21 20:08:01,039 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:08:01,039 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-10-21 20:08:01,039 INFO L853 garLoopResultBuilder]: At program point L577-2(lines 577 583) the Hoare annotation is: false [2021-10-21 20:08:01,039 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-10-21 20:08:01,039 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 831) no Hoare annotation was computed. [2021-10-21 20:08:01,039 INFO L853 garLoopResultBuilder]: At program point L825-1(lines 825 831) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,040 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2021-10-21 20:08:01,040 INFO L853 garLoopResultBuilder]: At program point L759(lines 754 762) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,040 INFO L853 garLoopResultBuilder]: At program point L759-1(lines 754 762) the Hoare annotation is: false [2021-10-21 20:08:01,040 INFO L853 garLoopResultBuilder]: At program point L759-2(lines 754 762) the Hoare annotation is: false [2021-10-21 20:08:01,040 INFO L853 garLoopResultBuilder]: At program point L710(lines 695 713) the Hoare annotation is: false [2021-10-21 20:08:01,041 INFO L853 garLoopResultBuilder]: At program point L710-1(lines 695 713) the Hoare annotation is: false [2021-10-21 20:08:01,041 INFO L853 garLoopResultBuilder]: At program point L710-2(lines 695 713) the Hoare annotation is: false [2021-10-21 20:08:01,041 INFO L853 garLoopResultBuilder]: At program point L892(lines 1 903) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:08:01,050 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:08:01,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:08:01 BoogieIcfgContainer [2021-10-21 20:08:01,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:08:01,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:08:01,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:08:01,076 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:08:01,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:59" (3/4) ... [2021-10-21 20:08:01,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:08:01,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 20:08:01,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 20:08:01,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 20:08:01,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 20:08:01,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:08:01,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:08:01,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:08:01,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive [2021-10-21 20:08:01,215 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:08:01,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:08:01,218 INFO L168 Benchmark]: Toolchain (without parser) took 3450.38 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 63.8 MB in the beginning and 91.0 MB in the end (delta: -27.2 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:01,218 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 80.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:08:01,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.64 ms. Allocated memory is still 102.8 MB. Free memory was 63.6 MB in the beginning and 70.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:01,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.70 ms. Allocated memory is still 102.8 MB. Free memory was 70.4 MB in the beginning and 67.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:01,220 INFO L168 Benchmark]: Boogie Preprocessor took 81.38 ms. Allocated memory is still 102.8 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:01,220 INFO L168 Benchmark]: RCFGBuilder took 996.62 ms. Allocated memory is still 102.8 MB. Free memory was 65.3 MB in the beginning and 64.9 MB in the end (delta: 370.3 kB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:01,221 INFO L168 Benchmark]: TraceAbstraction took 1630.88 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 64.6 MB in the beginning and 98.3 MB in the end (delta: -33.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:01,221 INFO L168 Benchmark]: Witness Printer took 140.51 ms. Allocated memory is still 134.2 MB. Free memory was 98.3 MB in the beginning and 91.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:01,223 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 102.8 MB. Free memory is still 80.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 492.64 ms. Allocated memory is still 102.8 MB. Free memory was 63.6 MB in the beginning and 70.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.70 ms. Allocated memory is still 102.8 MB. Free memory was 70.4 MB in the beginning and 67.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.38 ms. Allocated memory is still 102.8 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 996.62 ms. Allocated memory is still 102.8 MB. Free memory was 65.3 MB in the beginning and 64.9 MB in the end (delta: 370.3 kB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1630.88 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 64.6 MB in the beginning and 98.3 MB in the end (delta: -33.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. * Witness Printer took 140.51 ms. Allocated memory is still 134.2 MB. Free memory was 98.3 MB in the beginning and 91.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 553]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 553]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 553]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1536.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 14.7ms, AutomataDifference: 285.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 321.5ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 311 SDtfs, 299 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 108.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 55.4ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 921 FormulaSimplificationTreeSizeReduction, 139.6ms HoareSimplificationTime, 30 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 170.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 34.2ms SsaConstructionTime, 224.4ms SatisfiabilityAnalysisTime, 396.8ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:08:01,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10f9205-d5b6-40a8-aa0b-c3b98069d8bc/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...