./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.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_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg --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 c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:36:21,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:36:21,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:36:21,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:36:21,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:36:21,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:36:21,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:36:21,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:36:21,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:36:21,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:36:21,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:36:21,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:36:21,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:36:21,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:36:21,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:36:21,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:36:21,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:36:21,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:36:21,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:36:21,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:36:21,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:36:21,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:36:21,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:36:21,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:36:21,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:36:21,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:36:21,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:36:21,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:36:21,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:36:21,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:36:21,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:36:21,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:36:21,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:36:21,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:36:21,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:36:21,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:36:21,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:36:21,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:36:21,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:36:21,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:36:21,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:36:21,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:36:21,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:36:21,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:36:21,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:36:21,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:36:21,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:36:21,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:36:21,545 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:36:21,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:36:21,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:36:21,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:36:21,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:36:21,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:36:21,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:36:21,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:36:21,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:36:21,548 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:36:21,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:36:21,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:36:21,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:36:21,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:36:21,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:36:21,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:36:21,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:36:21,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:36:21,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:36:21,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:36:21,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:36:21,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:36:21,551 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:36:21,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:36:21,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:36:21,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:36:21,554 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_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 [2021-10-28 08:36:21,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:36:21,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:36:21,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:36:21,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:36:21,903 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:36:21,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2021-10-28 08:36:21,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/data/c7f85e8bc/e9b6892c52f247bd858100f1cddb7cf0/FLAG6673689d1 [2021-10-28 08:36:22,555 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:36:22,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2021-10-28 08:36:22,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/data/c7f85e8bc/e9b6892c52f247bd858100f1cddb7cf0/FLAG6673689d1 [2021-10-28 08:36:22,877 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/data/c7f85e8bc/e9b6892c52f247bd858100f1cddb7cf0 [2021-10-28 08:36:22,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:36:22,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:36:22,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:22,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:36:22,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:36:22,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:22" (1/1) ... [2021-10-28 08:36:22,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9ade88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:22, skipping insertion in model container [2021-10-28 08:36:22,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:22" (1/1) ... [2021-10-28 08:36:22,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:36:22,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:36:23,299 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_3df2de6c-b655-4624-81f6-7cd6e8279c7f/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2021-10-28 08:36:23,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:23,315 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:36:23,403 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_3df2de6c-b655-4624-81f6-7cd6e8279c7f/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2021-10-28 08:36:23,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:23,423 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:36:23,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23 WrapperNode [2021-10-28 08:36:23,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:23,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:36:23,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:36:23,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:36:23,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:36:23,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:36:23,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:36:23,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:36:23,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:36:23,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:36:23,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:36:23,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:36:23,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (1/1) ... [2021-10-28 08:36:23,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:36:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:36:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:36:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:36:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:36:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:36:24,630 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:36:24,630 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-28 08:36:24,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:24 BoogieIcfgContainer [2021-10-28 08:36:24,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:36:24,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:36:24,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:36:24,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:36:24,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:36:22" (1/3) ... [2021-10-28 08:36:24,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6d3762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:36:24, skipping insertion in model container [2021-10-28 08:36:24,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:23" (2/3) ... [2021-10-28 08:36:24,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6d3762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:36:24, skipping insertion in model container [2021-10-28 08:36:24,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:24" (3/3) ... [2021-10-28 08:36:24,649 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2021-10-28 08:36:24,655 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:36:24,655 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:36:24,711 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:36:24,718 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 08:36:24,720 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:36:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 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 08:36:24,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:36:24,744 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:24,744 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:24,745 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 08:36:24,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:24,752 INFO L85 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2021-10-28 08:36:24,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:24,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721029486] [2021-10-28 08:36:24,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:24,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:25,065 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 08:36:25,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:25,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721029486] [2021-10-28 08:36:25,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721029486] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:25,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:25,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:36:25,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288629459] [2021-10-28 08:36:25,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:36:25,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:25,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:36:25,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:36:25,092 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 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) 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) [2021-10-28 08:36:25,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:25,117 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-28 08:36:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:36:25,118 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 [2021-10-28 08:36:25,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:25,126 INFO L225 Difference]: With dead ends: 132 [2021-10-28 08:36:25,127 INFO L226 Difference]: Without dead ends: 65 [2021-10-28 08:36:25,130 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 08:36:25,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-28 08:36:25,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-28 08:36:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 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 08:36:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-28 08:36:25,163 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-28 08:36:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:25,164 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-28 08:36:25,164 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) [2021-10-28 08:36:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-28 08:36:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 08:36:25,165 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:25,165 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:25,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:36:25,166 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 08:36:25,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:25,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2021-10-28 08:36:25,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:25,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149090498] [2021-10-28 08:36:25,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:25,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:25,266 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 08:36:25,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:25,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149090498] [2021-10-28 08:36:25,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149090498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:25,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:25,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:36:25,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649670013] [2021-10-28 08:36:25,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:36:25,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:25,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:36:25,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:25,290 INFO L87 Difference]: Start difference. First operand 65 states and 90 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) [2021-10-28 08:36:25,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:25,300 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-28 08:36:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:36:25,301 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 [2021-10-28 08:36:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:25,302 INFO L225 Difference]: With dead ends: 65 [2021-10-28 08:36:25,302 INFO L226 Difference]: Without dead ends: 31 [2021-10-28 08:36:25,303 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 08:36:25,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-28 08:36:25,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-28 08:36:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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 08:36:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-28 08:36:25,309 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-28 08:36:25,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:25,309 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-28 08:36:25,309 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) [2021-10-28 08:36:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-28 08:36:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 08:36:25,311 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:25,311 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] [2021-10-28 08:36:25,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:36:25,311 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 08:36:25,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:25,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2021-10-28 08:36:25,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:25,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935230333] [2021-10-28 08:36:25,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:25,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:25,443 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 08:36:25,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:25,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935230333] [2021-10-28 08:36:25,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935230333] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:25,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:25,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:25,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288578746] [2021-10-28 08:36:25,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:36:25,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:25,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:36:25,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:36:25,447 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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) [2021-10-28 08:36:25,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:25,623 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-28 08:36:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:36:25,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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 [2021-10-28 08:36:25,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:25,625 INFO L225 Difference]: With dead ends: 56 [2021-10-28 08:36:25,625 INFO L226 Difference]: Without dead ends: 31 [2021-10-28 08:36:25,626 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:36:25,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-28 08:36:25,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-28 08:36:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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 08:36:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-28 08:36:25,632 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-28 08:36:25,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:25,632 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-28 08:36:25,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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) [2021-10-28 08:36:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-28 08:36:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 08:36:25,634 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:25,634 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] [2021-10-28 08:36:25,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:36:25,635 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 08:36:25,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:25,635 INFO L85 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2021-10-28 08:36:25,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:25,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127697660] [2021-10-28 08:36:25,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:25,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:25,740 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 08:36:25,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:25,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127697660] [2021-10-28 08:36:25,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127697660] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:25,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:25,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 08:36:25,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269108768] [2021-10-28 08:36:25,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:36:25,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:25,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:36:25,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:36:25,744 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 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) [2021-10-28 08:36:26,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:26,215 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2021-10-28 08:36:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 08:36:26,216 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 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 [2021-10-28 08:36:26,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:26,219 INFO L225 Difference]: With dead ends: 178 [2021-10-28 08:36:26,219 INFO L226 Difference]: Without dead ends: 153 [2021-10-28 08:36:26,220 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-28 08:36:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-28 08:36:26,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2021-10-28 08:36:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 states have internal predecessors, (100), 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 08:36:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2021-10-28 08:36:26,237 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2021-10-28 08:36:26,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:26,237 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2021-10-28 08:36:26,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 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) [2021-10-28 08:36:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-10-28 08:36:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 08:36:26,239 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:26,240 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 08:36:26,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:36:26,240 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 08:36:26,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:26,241 INFO L85 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2021-10-28 08:36:26,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:26,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238005269] [2021-10-28 08:36:26,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:26,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:26,308 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 08:36:26,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:26,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238005269] [2021-10-28 08:36:26,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238005269] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:26,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:26,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:36:26,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952278921] [2021-10-28 08:36:26,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:36:26,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:26,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:36:26,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:26,312 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 08:36:26,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:26,336 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2021-10-28 08:36:26,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:36:26,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 08:36:26,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:26,340 INFO L225 Difference]: With dead ends: 126 [2021-10-28 08:36:26,340 INFO L226 Difference]: Without dead ends: 60 [2021-10-28 08:36:26,341 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:36:26,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-28 08:36:26,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-28 08:36:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 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 08:36:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-10-28 08:36:26,363 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2021-10-28 08:36:26,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:26,364 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-10-28 08:36:26,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 08:36:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-28 08:36:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-28 08:36:26,367 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:36:26,368 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:26,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:36:26,369 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:36:26,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:26,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1260992860, now seen corresponding path program 1 times [2021-10-28 08:36:26,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:26,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401860471] [2021-10-28 08:36:26,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:26,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:26,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:26,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401860471] [2021-10-28 08:36:26,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401860471] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:36:26,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681858001] [2021-10-28 08:36:26,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:26,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:36:26,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:26,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:36:26,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:36:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:26,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:36:26,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:26,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681858001] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:26,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:36:26,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-28 08:36:26,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33317377] [2021-10-28 08:36:26,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:36:26,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:26,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:36:26,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:26,834 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 08:36:26,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:26,939 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2021-10-28 08:36:26,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:36:26,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-10-28 08:36:26,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:36:26,944 INFO L225 Difference]: With dead ends: 77 [2021-10-28 08:36:26,944 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:36:26,945 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:26,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:36:26,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:36:26,945 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) [2021-10-28 08:36:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:36:26,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-28 08:36:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:36:26,946 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:36:26,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 08:36:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:36:26,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:36:26,949 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:36:26,951 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:36:26,952 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:36:26,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:27,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:36:27,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:36:27,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:36:27,799 INFO L853 garLoopResultBuilder]: At program point L514-2(lines 514 528) the Hoare annotation is: false [2021-10-28 08:36:27,800 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 837) no Hoare annotation was computed. [2021-10-28 08:36:27,800 INFO L853 garLoopResultBuilder]: At program point L680(lines 679 698) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-28 08:36:27,800 INFO L857 garLoopResultBuilder]: For program point L680-1(lines 680 686) no Hoare annotation was computed. [2021-10-28 08:36:27,801 INFO L853 garLoopResultBuilder]: At program point L680-2(lines 679 698) the Hoare annotation is: false [2021-10-28 08:36:27,801 INFO L853 garLoopResultBuilder]: At program point L680-3(lines 679 698) the Hoare annotation is: false [2021-10-28 08:36:27,801 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-28 08:36:27,801 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:36:27,801 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-28 08:36:27,802 INFO L857 garLoopResultBuilder]: For program point L615(lines 614 659) no Hoare annotation was computed. [2021-10-28 08:36:27,802 INFO L860 garLoopResultBuilder]: At program point L599(lines 580 602) the Hoare annotation is: true [2021-10-28 08:36:27,802 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2021-10-28 08:36:27,802 INFO L853 garLoopResultBuilder]: At program point L864(lines 1 875) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:36:27,802 INFO L853 garLoopResultBuilder]: At program point L765(lines 760 768) the Hoare annotation is: false [2021-10-28 08:36:27,803 INFO L853 garLoopResultBuilder]: At program point L765-1(lines 760 768) the Hoare annotation is: false [2021-10-28 08:36:27,803 INFO L853 garLoopResultBuilder]: At program point L765-2(lines 760 768) the Hoare annotation is: false [2021-10-28 08:36:27,803 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 828) no Hoare annotation was computed. [2021-10-28 08:36:27,803 INFO L853 garLoopResultBuilder]: At program point L815-1(lines 1 875) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 0)) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-28 08:36:27,803 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 828) no Hoare annotation was computed. [2021-10-28 08:36:27,804 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 724) no Hoare annotation was computed. [2021-10-28 08:36:27,804 INFO L853 garLoopResultBuilder]: At program point L815-3(lines 1 875) the Hoare annotation is: false [2021-10-28 08:36:27,804 INFO L857 garLoopResultBuilder]: For program point L716-1(lines 716 724) no Hoare annotation was computed. [2021-10-28 08:36:27,804 INFO L857 garLoopResultBuilder]: For program point L815-4(lines 815 828) no Hoare annotation was computed. [2021-10-28 08:36:27,804 INFO L857 garLoopResultBuilder]: For program point L650(lines 650 654) no Hoare annotation was computed. [2021-10-28 08:36:27,805 INFO L857 garLoopResultBuilder]: For program point L716-2(lines 716 724) no Hoare annotation was computed. [2021-10-28 08:36:27,805 INFO L853 garLoopResultBuilder]: At program point L815-5(lines 1 875) the Hoare annotation is: false [2021-10-28 08:36:27,805 INFO L857 garLoopResultBuilder]: For program point L650-2(lines 680 686) no Hoare annotation was computed. [2021-10-28 08:36:27,805 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-10-28 08:36:27,805 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 680 686) no Hoare annotation was computed. [2021-10-28 08:36:27,805 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 640) no Hoare annotation was computed. [2021-10-28 08:36:27,806 INFO L853 garLoopResultBuilder]: At program point L634-1(lines 634 640) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-28 08:36:27,806 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-10-28 08:36:27,806 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:36:27,806 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 837) no Hoare annotation was computed. [2021-10-28 08:36:27,806 INFO L857 garLoopResultBuilder]: For program point L819(lines 819 825) no Hoare annotation was computed. [2021-10-28 08:36:27,807 INFO L857 garLoopResultBuilder]: For program point L819-2(lines 819 825) no Hoare annotation was computed. [2021-10-28 08:36:27,807 INFO L853 garLoopResultBuilder]: At program point L687(lines 687 693) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-28 08:36:27,807 INFO L857 garLoopResultBuilder]: For program point L819-4(lines 819 825) no Hoare annotation was computed. [2021-10-28 08:36:27,807 INFO L853 garLoopResultBuilder]: At program point L687-1(lines 687 693) the Hoare annotation is: false [2021-10-28 08:36:27,808 INFO L853 garLoopResultBuilder]: At program point L687-2(lines 687 693) the Hoare annotation is: false [2021-10-28 08:36:27,808 INFO L857 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2021-10-28 08:36:27,808 INFO L857 garLoopResultBuilder]: For program point L837-1(line 837) no Hoare annotation was computed. [2021-10-28 08:36:27,808 INFO L857 garLoopResultBuilder]: For program point L837-2(line 837) no Hoare annotation was computed. [2021-10-28 08:36:27,808 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:36:27,808 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 597) no Hoare annotation was computed. [2021-10-28 08:36:27,809 INFO L860 garLoopResultBuilder]: At program point L590-1(lines 590 597) the Hoare annotation is: true [2021-10-28 08:36:27,815 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-10-28 08:36:27,815 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-10-28 08:36:27,816 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-10-28 08:36:27,816 INFO L853 garLoopResultBuilder]: At program point L756(lines 749 759) the Hoare annotation is: false [2021-10-28 08:36:27,816 INFO L853 garLoopResultBuilder]: At program point L756-1(lines 749 759) the Hoare annotation is: false [2021-10-28 08:36:27,816 INFO L853 garLoopResultBuilder]: At program point L756-2(lines 749 759) the Hoare annotation is: false [2021-10-28 08:36:27,816 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 630) no Hoare annotation was computed. [2021-10-28 08:36:27,817 INFO L853 garLoopResultBuilder]: At program point L624-1(lines 624 630) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-28 08:36:27,817 INFO L853 garLoopResultBuilder]: At program point L872(lines 867 875) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:36:27,817 INFO L853 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse3 .cse4 (= ~waterLevel~0 1)))) [2021-10-28 08:36:27,817 INFO L853 garLoopResultBuilder]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2021-10-28 08:36:27,818 INFO L853 garLoopResultBuilder]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2021-10-28 08:36:27,818 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:36:27,818 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 837) no Hoare annotation was computed. [2021-10-28 08:36:27,818 INFO L853 garLoopResultBuilder]: At program point L660(lines 613 661) the Hoare annotation is: false [2021-10-28 08:36:27,819 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 655) no Hoare annotation was computed. [2021-10-28 08:36:27,819 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-10-28 08:36:27,819 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: false [2021-10-28 08:36:27,819 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-10-28 08:36:27,819 INFO L853 garLoopResultBuilder]: At program point L563(lines 559 565) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:36:27,820 INFO L857 garLoopResultBuilder]: For program point L712(lines 712 729) no Hoare annotation was computed. [2021-10-28 08:36:27,820 INFO L857 garLoopResultBuilder]: For program point L712-1(lines 712 729) no Hoare annotation was computed. [2021-10-28 08:36:27,820 INFO L857 garLoopResultBuilder]: For program point L712-2(lines 712 729) no Hoare annotation was computed. [2021-10-28 08:36:27,823 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 08:36:27,837 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:36:27,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:36:27 BoogieIcfgContainer [2021-10-28 08:36:27,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:36:27,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:36:27,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:36:27,862 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:36:27,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:24" (3/4) ... [2021-10-28 08:36:27,866 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:36:27,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:36:27,885 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:36:27,885 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:36:27,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:36:27,887 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:36:27,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:36:27,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:36:27,914 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 [2021-10-28 08:36:27,914 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1 [2021-10-28 08:36:27,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-28 08:36:27,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-28 08:36:27,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-28 08:36:27,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-28 08:36:27,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-28 08:36:27,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-28 08:36:27,965 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:36:27,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:36:27,967 INFO L168 Benchmark]: Toolchain (without parser) took 5085.71 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 68.6 MB in the beginning and 72.6 MB in the end (delta: -4.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:27,968 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:36:27,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.23 ms. Allocated memory is still 90.2 MB. Free memory was 68.4 MB in the beginning and 57.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:27,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.06 ms. Allocated memory is still 90.2 MB. Free memory was 57.7 MB in the beginning and 54.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:27,970 INFO L168 Benchmark]: Boogie Preprocessor took 42.36 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 52.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:27,970 INFO L168 Benchmark]: RCFGBuilder took 1080.82 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 70.1 MB in the end (delta: -17.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:27,970 INFO L168 Benchmark]: TraceAbstraction took 3226.47 ms. Allocated memory is still 109.1 MB. Free memory was 69.4 MB in the beginning and 78.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:27,971 INFO L168 Benchmark]: Witness Printer took 103.98 ms. Allocated memory is still 109.1 MB. Free memory was 78.9 MB in the beginning and 72.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:27,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 542.23 ms. Allocated memory is still 90.2 MB. Free memory was 68.4 MB in the beginning and 57.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.06 ms. Allocated memory is still 90.2 MB. Free memory was 57.7 MB in the beginning and 54.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.36 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 52.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1080.82 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 70.1 MB in the end (delta: -17.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3226.47 ms. Allocated memory is still 109.1 MB. Free memory was 69.4 MB in the beginning and 78.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. * Witness Printer took 103.98 ms. Allocated memory is still 109.1 MB. Free memory was 78.9 MB in the beginning and 72.6 MB in the end (delta: 6.3 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 837]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 837]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 837]: 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, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 310 SDtfs, 470 SDslu, 342 SDs, 0 SdLazy, 91 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 44 NumberOfFragments, 310 HoareAnnotationTreeSize, 30 FomulaSimplifications, 352 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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: 590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 08:36:28,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df2de6c-b655-4624-81f6-7cd6e8279c7f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...