./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:22:14,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:22:14,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:22:14,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:22:14,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:22:14,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:22:14,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:22:14,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:22:14,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:22:14,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:22:14,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:22:14,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:22:14,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:22:14,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:22:14,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:22:14,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:22:14,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:22:14,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:22:14,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:22:14,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:22:14,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:22:14,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:22:14,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:22:14,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:22:14,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:22:14,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:22:14,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:22:14,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:22:14,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:22:14,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:22:14,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:22:14,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:22:14,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:22:14,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:22:14,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:22:14,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:22:14,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:22:14,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:22:14,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:22:14,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:22:14,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:22:14,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:22:14,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:22:14,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:22:14,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:22:14,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:22:14,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:22:14,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:22:14,859 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:22:14,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:22:14,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:22:14,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:22:14,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:22:14,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:22:14,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:22:14,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:22:14,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:22:14,862 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:22:14,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:22:14,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:22:14,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:22:14,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:22:14,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:22:14,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:22:14,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:22:14,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:22:14,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:22:14,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:22:14,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:22:14,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:22:14,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:22:14,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:22:14,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:22:14,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:22:14,867 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_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 [2021-10-21 20:22:15,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:22:15,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:22:15,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:22:15,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:22:15,237 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:22:15,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2021-10-21 20:22:15,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/data/21f248562/54152580e7084519b9b8e74f0bd42243/FLAG44918df4f [2021-10-21 20:22:15,908 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:22:15,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2021-10-21 20:22:15,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/data/21f248562/54152580e7084519b9b8e74f0bd42243/FLAG44918df4f [2021-10-21 20:22:16,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/data/21f248562/54152580e7084519b9b8e74f0bd42243 [2021-10-21 20:22:16,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:22:16,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:22:16,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:22:16,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:22:16,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:22:16,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d6f997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16, skipping insertion in model container [2021-10-21 20:22:16,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:22:16,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:22:16,637 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_3ecad499-d482-40a8-a360-d959b1dad00c/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2021-10-21 20:22:16,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:22:16,729 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:22:16,781 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_3ecad499-d482-40a8-a360-d959b1dad00c/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2021-10-21 20:22:16,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:22:16,833 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:22:16,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16 WrapperNode [2021-10-21 20:22:16,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:22:16,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:22:16,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:22:16,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:22:16,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:22:16,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:22:16,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:22:16,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:22:16,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:16,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:22:16,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:22:16,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:22:16,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:22:16,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (1/1) ... [2021-10-21 20:22:17,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:22:17,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:17,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:17,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:22:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:22:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:22:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:22:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:22:18,096 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:22:18,096 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-10-21 20:22:18,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:22:18 BoogieIcfgContainer [2021-10-21 20:22:18,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:22:18,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:22:18,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:22:18,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:22:18,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:22:16" (1/3) ... [2021-10-21 20:22:18,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cba3998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:22:18, skipping insertion in model container [2021-10-21 20:22:18,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:16" (2/3) ... [2021-10-21 20:22:18,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cba3998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:22:18, skipping insertion in model container [2021-10-21 20:22:18,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:22:18" (3/3) ... [2021-10-21 20:22:18,107 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2021-10-21 20:22:18,112 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:22:18,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 20:22:18,161 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:22:18,168 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:22:18,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 20:22:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 85 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 20:22:18,190 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:22:18,190 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:22:18,191 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:22:18,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:18,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1612153504, now seen corresponding path program 1 times [2021-10-21 20:22:18,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:18,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580053284] [2021-10-21 20:22:18,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:18,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:18,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:22:18,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580053284] [2021-10-21 20:22:18,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580053284] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:22:18,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:22:18,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:22:18,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797141349] [2021-10-21 20:22:18,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:22:18,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:22:18,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:22:18,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:22:18,538 INFO L87 Difference]: Start difference. First operand has 86 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 85 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:22:18,568 INFO L93 Difference]: Finished difference Result 165 states and 244 transitions. [2021-10-21 20:22:18,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:22:18,569 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-21 20:22:18,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:22:18,579 INFO L225 Difference]: With dead ends: 165 [2021-10-21 20:22:18,579 INFO L226 Difference]: Without dead ends: 82 [2021-10-21 20:22:18,582 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:22:18,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-21 20:22:18,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-10-21 20:22:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 81 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2021-10-21 20:22:18,634 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 19 [2021-10-21 20:22:18,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:22:18,634 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2021-10-21 20:22:18,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2021-10-21 20:22:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 20:22:18,636 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:22:18,636 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:22:18,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:22:18,637 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:22:18,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:18,638 INFO L82 PathProgramCache]: Analyzing trace with hash -697845427, now seen corresponding path program 1 times [2021-10-21 20:22:18,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:18,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509811922] [2021-10-21 20:22:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:18,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:18,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:18,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:22:18,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509811922] [2021-10-21 20:22:18,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509811922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:22:18,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:22:18,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:22:18,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790857112] [2021-10-21 20:22:18,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:22:18,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:22:18,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:22:18,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:22:18,758 INFO L87 Difference]: Start difference. First operand 82 states and 114 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:22:18,774 INFO L93 Difference]: Finished difference Result 82 states and 114 transitions. [2021-10-21 20:22:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:22:18,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-10-21 20:22:18,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:22:18,777 INFO L225 Difference]: With dead ends: 82 [2021-10-21 20:22:18,777 INFO L226 Difference]: Without dead ends: 39 [2021-10-21 20:22:18,778 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:22:18,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-21 20:22:18,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-21 20:22:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-10-21 20:22:18,784 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 20 [2021-10-21 20:22:18,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:22:18,784 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-10-21 20:22:18,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-10-21 20:22:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 20:22:18,786 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:22:18,786 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:22:18,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:22:18,786 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:22:18,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:18,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1072512286, now seen corresponding path program 1 times [2021-10-21 20:22:18,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:18,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812176877] [2021-10-21 20:22:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:18,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:18,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:22:18,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812176877] [2021-10-21 20:22:18,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812176877] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:22:18,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:22:18,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:22:18,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624961308] [2021-10-21 20:22:18,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:22:18,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:22:18,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:22:18,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:22:18,932 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:22:18,966 INFO L93 Difference]: Finished difference Result 103 states and 148 transitions. [2021-10-21 20:22:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:22:18,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2021-10-21 20:22:18,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:22:18,968 INFO L225 Difference]: With dead ends: 103 [2021-10-21 20:22:18,968 INFO L226 Difference]: Without dead ends: 71 [2021-10-21 20:22:18,969 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:22:18,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-21 20:22:18,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2021-10-21 20:22:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 66 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 96 transitions. [2021-10-21 20:22:18,979 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 96 transitions. Word has length 26 [2021-10-21 20:22:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:22:18,980 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 96 transitions. [2021-10-21 20:22:18,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2021-10-21 20:22:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 20:22:18,982 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:22:18,982 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:22:18,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:22:18,983 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:22:18,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:18,983 INFO L82 PathProgramCache]: Analyzing trace with hash 810824891, now seen corresponding path program 1 times [2021-10-21 20:22:18,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:18,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666462967] [2021-10-21 20:22:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:18,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:19,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:22:19,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666462967] [2021-10-21 20:22:19,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666462967] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:22:19,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:22:19,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:22:19,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453455030] [2021-10-21 20:22:19,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:22:19,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:22:19,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:22:19,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:22:19,087 INFO L87 Difference]: Start difference. First operand 67 states and 96 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:19,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:22:19,192 INFO L93 Difference]: Finished difference Result 162 states and 238 transitions. [2021-10-21 20:22:19,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:22:19,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-10-21 20:22:19,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:22:19,194 INFO L225 Difference]: With dead ends: 162 [2021-10-21 20:22:19,195 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:22:19,199 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:22:19,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:22:19,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:22:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:19,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:22:19,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-21 20:22:19,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:22:19,201 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:22:19,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:22:19,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:22:19,206 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:22:19,207 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:22:19,208 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:22:19,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:22:19,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:22:19,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:22:19,474 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-10-21 20:22:19,475 INFO L857 garLoopResultBuilder]: For program point L927-2(lines 927 931) no Hoare annotation was computed. [2021-10-21 20:22:19,475 INFO L857 garLoopResultBuilder]: For program point L927-3(lines 927 931) no Hoare annotation was computed. [2021-10-21 20:22:19,475 INFO L857 garLoopResultBuilder]: For program point L927-5(lines 927 931) no Hoare annotation was computed. [2021-10-21 20:22:19,476 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-21 20:22:19,476 INFO L857 garLoopResultBuilder]: For program point L927-6(lines 927 931) no Hoare annotation was computed. [2021-10-21 20:22:19,476 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 703) no Hoare annotation was computed. [2021-10-21 20:22:19,477 INFO L857 garLoopResultBuilder]: For program point L927-8(lines 927 931) no Hoare annotation was computed. [2021-10-21 20:22:19,477 INFO L860 garLoopResultBuilder]: At program point L696-1(lines 696 703) the Hoare annotation is: true [2021-10-21 20:22:19,477 INFO L853 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-21 20:22:19,478 INFO L853 garLoopResultBuilder]: At program point L498-1(lines 493 501) the Hoare annotation is: false [2021-10-21 20:22:19,478 INFO L853 garLoopResultBuilder]: At program point L498-2(lines 493 501) the Hoare annotation is: false [2021-10-21 20:22:19,478 INFO L853 garLoopResultBuilder]: At program point L878(lines 873 881) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-21 20:22:19,479 INFO L853 garLoopResultBuilder]: At program point L878-1(lines 873 881) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-21 20:22:19,484 INFO L853 garLoopResultBuilder]: At program point L878-2(lines 873 881) the Hoare annotation is: false [2021-10-21 20:22:19,484 INFO L853 garLoopResultBuilder]: At program point L878-3(lines 873 881) the Hoare annotation is: false [2021-10-21 20:22:19,484 INFO L853 garLoopResultBuilder]: At program point L878-4(lines 873 881) the Hoare annotation is: false [2021-10-21 20:22:19,484 INFO L853 garLoopResultBuilder]: At program point L878-5(lines 873 881) the Hoare annotation is: false [2021-10-21 20:22:19,485 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:22:19,485 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 837) no Hoare annotation was computed. [2021-10-21 20:22:19,485 INFO L857 garLoopResultBuilder]: For program point L829-1(lines 829 837) no Hoare annotation was computed. [2021-10-21 20:22:19,485 INFO L857 garLoopResultBuilder]: For program point L829-2(lines 829 837) no Hoare annotation was computed. [2021-10-21 20:22:19,485 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-10-21 20:22:19,486 INFO L853 garLoopResultBuilder]: At program point L732-1(lines 732 738) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-10-21 20:22:19,486 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-10-21 20:22:19,486 INFO L853 garLoopResultBuilder]: At program point L800(lines 800 806) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-21 20:22:19,486 INFO L853 garLoopResultBuilder]: At program point L800-1(lines 800 806) the Hoare annotation is: false [2021-10-21 20:22:19,486 INFO L853 garLoopResultBuilder]: At program point L800-2(lines 800 806) the Hoare annotation is: false [2021-10-21 20:22:19,487 INFO L853 garLoopResultBuilder]: At program point L520(lines 515 522) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:22:19,487 INFO L853 garLoopResultBuilder]: At program point L933(lines 918 936) the Hoare annotation is: false [2021-10-21 20:22:19,487 INFO L853 garLoopResultBuilder]: At program point L933-1(lines 918 936) the Hoare annotation is: false [2021-10-21 20:22:19,487 INFO L853 garLoopResultBuilder]: At program point L933-2(lines 918 936) the Hoare annotation is: false [2021-10-21 20:22:19,487 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:22:19,488 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 767) no Hoare annotation was computed. [2021-10-21 20:22:19,488 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-21 20:22:19,488 INFO L853 garLoopResultBuilder]: At program point L588(lines 1 959) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:22:19,488 INFO L853 garLoopResultBuilder]: At program point L671(lines 667 673) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:22:19,488 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-21 20:22:19,489 INFO L857 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2021-10-21 20:22:19,489 INFO L857 garLoopResultBuilder]: For program point L605-2(line 605) no Hoare annotation was computed. [2021-10-21 20:22:19,489 INFO L853 garLoopResultBuilder]: At program point L622-2(lines 622 636) the Hoare annotation is: false [2021-10-21 20:22:19,489 INFO L860 garLoopResultBuilder]: At program point L705(lines 686 708) the Hoare annotation is: true [2021-10-21 20:22:19,489 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:22:19,489 INFO L853 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: false [2021-10-21 20:22:19,490 INFO L853 garLoopResultBuilder]: At program point L507-1(lines 502 510) the Hoare annotation is: false [2021-10-21 20:22:19,490 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-10-21 20:22:19,490 INFO L853 garLoopResultBuilder]: At program point L507-2(lines 502 510) the Hoare annotation is: false [2021-10-21 20:22:19,490 INFO L857 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-10-21 20:22:19,490 INFO L853 garLoopResultBuilder]: At program point L772(lines 721 773) the Hoare annotation is: false [2021-10-21 20:22:19,490 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 558) no Hoare annotation was computed. [2021-10-21 20:22:19,491 INFO L853 garLoopResultBuilder]: At program point L541-1(lines 1 959) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-10-21 20:22:19,491 INFO L857 garLoopResultBuilder]: For program point L541-2(lines 541 558) no Hoare annotation was computed. [2021-10-21 20:22:19,491 INFO L853 garLoopResultBuilder]: At program point L541-3(lines 1 959) the Hoare annotation is: false [2021-10-21 20:22:19,491 INFO L857 garLoopResultBuilder]: For program point L541-4(lines 541 558) no Hoare annotation was computed. [2021-10-21 20:22:19,491 INFO L853 garLoopResultBuilder]: At program point L541-5(lines 1 959) the Hoare annotation is: false [2021-10-21 20:22:19,492 INFO L857 garLoopResultBuilder]: For program point L723(lines 722 771) no Hoare annotation was computed. [2021-10-21 20:22:19,492 INFO L857 garLoopResultBuilder]: For program point L724(lines 724 728) no Hoare annotation was computed. [2021-10-21 20:22:19,492 INFO L857 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2021-10-21 20:22:19,492 INFO L857 garLoopResultBuilder]: For program point L626-1(lines 626 630) no Hoare annotation was computed. [2021-10-21 20:22:19,492 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 748) no Hoare annotation was computed. [2021-10-21 20:22:19,492 INFO L853 garLoopResultBuilder]: At program point L742-1(lines 742 748) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-10-21 20:22:19,493 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:22:19,493 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 842) no Hoare annotation was computed. [2021-10-21 20:22:19,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-21 20:22:19,493 INFO L857 garLoopResultBuilder]: For program point L825-1(lines 825 842) no Hoare annotation was computed. [2021-10-21 20:22:19,493 INFO L857 garLoopResultBuilder]: For program point L825-2(lines 825 842) no Hoare annotation was computed. [2021-10-21 20:22:19,493 INFO L857 garLoopResultBuilder]: For program point L941(lines 941 947) no Hoare annotation was computed. [2021-10-21 20:22:19,493 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-10-21 20:22:19,493 INFO L853 garLoopResultBuilder]: At program point L941-1(lines 941 947) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:22:19,493 INFO L857 garLoopResultBuilder]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2021-10-21 20:22:19,494 INFO L857 garLoopResultBuilder]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2021-10-21 20:22:19,494 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 555) no Hoare annotation was computed. [2021-10-21 20:22:19,494 INFO L857 garLoopResultBuilder]: For program point L545-2(lines 545 555) no Hoare annotation was computed. [2021-10-21 20:22:19,494 INFO L857 garLoopResultBuilder]: For program point L545-4(lines 545 555) no Hoare annotation was computed. [2021-10-21 20:22:19,494 INFO L853 garLoopResultBuilder]: At program point L793(lines 789 811) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-21 20:22:19,494 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 766) no Hoare annotation was computed. [2021-10-21 20:22:19,494 INFO L853 garLoopResultBuilder]: At program point L793-1(lines 789 811) the Hoare annotation is: false [2021-10-21 20:22:19,494 INFO L853 garLoopResultBuilder]: At program point L760-1(lines 1 959) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 20:22:19,495 INFO L853 garLoopResultBuilder]: At program point L793-2(lines 789 811) the Hoare annotation is: false [2021-10-21 20:22:19,495 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2021-10-21 20:22:19,495 INFO L857 garLoopResultBuilder]: For program point L546-2(lines 546 552) no Hoare annotation was computed. [2021-10-21 20:22:19,495 INFO L857 garLoopResultBuilder]: For program point L546-4(lines 546 552) no Hoare annotation was computed. [2021-10-21 20:22:19,495 INFO L853 garLoopResultBuilder]: At program point L596(lines 591 599) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-21 20:22:19,495 INFO L853 garLoopResultBuilder]: At program point L530(lines 793 799) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-21 20:22:19,495 INFO L853 garLoopResultBuilder]: At program point L530-1(lines 793 799) the Hoare annotation is: false [2021-10-21 20:22:19,495 INFO L853 garLoopResultBuilder]: At program point L530-2(lines 793 799) the Hoare annotation is: false [2021-10-21 20:22:19,500 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:22:19,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:22:19 BoogieIcfgContainer [2021-10-21 20:22:19,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:22:19,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:22:19,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:22:19,525 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:22:19,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:22:18" (3/4) ... [2021-10-21 20:22:19,529 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:22:19,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 20:22:19,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 20:22:19,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 20:22:19,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 20:22:19,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:22:19,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:22:19,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:22:19,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-10-21 20:22:19,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-10-21 20:22:19,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-10-21 20:22:19,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-21 20:22:19,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-21 20:22:19,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-21 20:22:19,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-21 20:22:19,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-21 20:22:19,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-21 20:22:19,617 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:22:19,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:22:19,619 INFO L168 Benchmark]: Toolchain (without parser) took 3428.13 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 67.4 MB in the beginning and 96.3 MB in the end (delta: -28.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:22:19,619 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:22:19,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.52 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 68.0 MB in the end (delta: -819.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:22:19,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.42 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 64.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:22:19,620 INFO L168 Benchmark]: Boogie Preprocessor took 70.68 ms. Allocated memory is still 100.7 MB. Free memory was 64.8 MB in the beginning and 62.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:22:19,621 INFO L168 Benchmark]: RCFGBuilder took 1102.02 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 62.4 MB in the beginning and 80.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:22:19,621 INFO L168 Benchmark]: TraceAbstraction took 1423.61 ms. Allocated memory is still 130.0 MB. Free memory was 80.1 MB in the beginning and 103.6 MB in the end (delta: -23.5 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:22:19,622 INFO L168 Benchmark]: Witness Printer took 92.76 ms. Allocated memory is still 130.0 MB. Free memory was 103.6 MB in the beginning and 96.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:22:19,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 640.52 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 68.0 MB in the end (delta: -819.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.42 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 64.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.68 ms. Allocated memory is still 100.7 MB. Free memory was 64.8 MB in the beginning and 62.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1102.02 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 62.4 MB in the beginning and 80.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1423.61 ms. Allocated memory is still 130.0 MB. Free memory was 80.1 MB in the beginning and 103.6 MB in the end (delta: -23.5 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * Witness Printer took 92.76 ms. Allocated memory is still 130.0 MB. Free memory was 103.6 MB in the beginning and 96.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 605]: 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, 86 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1339.9ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 13.7ms, AutomataDifference: 239.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 265.2ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 294 SDtfs, 162 SDslu, 121 SDs, 0 SdLazy, 31 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 53.1ms AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 85 NumberOfFragments, 189 HoareAnnotationTreeSize, 39 FomulaSimplifications, 437 FormulaSimplificationTreeSizeReduction, 138.2ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 115.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 26.1ms SsaConstructionTime, 180.8ms SatisfiabilityAnalysisTime, 371.5ms InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:22:19,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecad499-d482-40a8-a360-d959b1dad00c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...