./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN --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 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:31,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:31,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:31,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:31,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:31,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:31,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:31,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:31,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:31,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:31,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:31,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:31,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:31,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:31,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:31,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:31,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:31,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:31,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:31,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:31,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:31,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:31,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:31,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:31,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:31,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:31,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:31,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:31,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:31,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:31,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:31,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:31,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:31,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:31,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:31,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:31,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:31,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:31,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:31,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:31,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:31,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:27:31,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:31,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:31,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:31,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:31,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:31,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:31,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:31,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:31,885 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:31,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:31,886 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:27:31,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:31,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:27:31,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:31,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:31,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:31,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:31,888 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:27:31,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:31,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:31,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:31,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:31,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:31,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:31,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:31,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:31,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:31,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:31,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:31,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:31,891 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:31,891 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:31,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:31,892 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_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 [2022-11-20 09:27:32,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:32,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:32,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:32,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:32,205 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:32,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2022-11-20 09:27:35,347 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:35,634 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:35,636 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2022-11-20 09:27:35,669 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/data/dc1dbffd1/bf0460f4df2b41ae8c6e13e9b8a07a4d/FLAG5c32fb837 [2022-11-20 09:27:35,689 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/data/dc1dbffd1/bf0460f4df2b41ae8c6e13e9b8a07a4d [2022-11-20 09:27:35,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:35,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:35,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:35,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:35,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:35,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:35" (1/1) ... [2022-11-20 09:27:35,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4f3cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:35, skipping insertion in model container [2022-11-20 09:27:35,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:35" (1/1) ... [2022-11-20 09:27:35,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:35,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:36,127 WARN L237 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_13fbac93-f878-403e-be9a-2cac3405ab1f/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2022-11-20 09:27:36,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:36,161 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:36,208 WARN L237 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_13fbac93-f878-403e-be9a-2cac3405ab1f/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2022-11-20 09:27:36,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:36,233 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:36,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36 WrapperNode [2022-11-20 09:27:36,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:36,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:36,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:36,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:36,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,278 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 148 [2022-11-20 09:27:36,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:36,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:36,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:36,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:36,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:36,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:36,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:36,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:36,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (1/1) ... [2022-11-20 09:27:36,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 09:27:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 09:27:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 09:27:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 09:27:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 09:27:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 09:27:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 09:27:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 09:27:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 09:27:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 09:27:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:27:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 09:27:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 09:27:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:36,473 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:36,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:36,750 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:36,757 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:36,757 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:27:36,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36 BoogieIcfgContainer [2022-11-20 09:27:36,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:36,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:27:36,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:27:36,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:27:36,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:35" (1/3) ... [2022-11-20 09:27:36,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545b7635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:36, skipping insertion in model container [2022-11-20 09:27:36,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:36" (2/3) ... [2022-11-20 09:27:36,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545b7635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:36, skipping insertion in model container [2022-11-20 09:27:36,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36" (3/3) ... [2022-11-20 09:27:36,769 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2022-11-20 09:27:36,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:27:36,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:27:36,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:27:36,906 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6680aa29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:27:36,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:27:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 09:27:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 09:27:36,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:36,927 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:27:36,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:36,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:36,932 INFO L85 PathProgramCache]: Analyzing trace with hash -837976758, now seen corresponding path program 1 times [2022-11-20 09:27:36,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:36,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038471848] [2022-11-20 09:27:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:36,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:27:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:37,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:37,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038471848] [2022-11-20 09:27:37,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038471848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:37,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:37,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:37,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514342297] [2022-11-20 09:27:37,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:37,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:27:37,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:37,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:27:37,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:27:37,257 INFO L87 Difference]: Start difference. First operand has 73 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:37,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:37,327 INFO L93 Difference]: Finished difference Result 138 states and 187 transitions. [2022-11-20 09:27:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:27:37,329 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-20 09:27:37,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:37,341 INFO L225 Difference]: With dead ends: 138 [2022-11-20 09:27:37,341 INFO L226 Difference]: Without dead ends: 64 [2022-11-20 09:27:37,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:27:37,351 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:37,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:37,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-20 09:27:37,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-20 09:27:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 09:27:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-11-20 09:27:37,400 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 23 [2022-11-20 09:27:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:37,400 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-11-20 09:27:37,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-11-20 09:27:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 09:27:37,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:37,403 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:27:37,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:27:37,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:37,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:37,404 INFO L85 PathProgramCache]: Analyzing trace with hash 394081937, now seen corresponding path program 1 times [2022-11-20 09:27:37,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:37,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353536406] [2022-11-20 09:27:37,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:37,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 09:27:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:37,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:37,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353536406] [2022-11-20 09:27:37,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353536406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:37,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:37,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:37,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906318141] [2022-11-20 09:27:37,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:37,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:37,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:37,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:37,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:37,549 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:37,573 INFO L93 Difference]: Finished difference Result 93 states and 117 transitions. [2022-11-20 09:27:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:37,574 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-20 09:27:37,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:37,575 INFO L225 Difference]: With dead ends: 93 [2022-11-20 09:27:37,575 INFO L226 Difference]: Without dead ends: 55 [2022-11-20 09:27:37,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:37,577 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 13 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:37,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:37,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-20 09:27:37,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-20 09:27:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 09:27:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-11-20 09:27:37,590 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 24 [2022-11-20 09:27:37,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:37,591 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-11-20 09:27:37,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-20 09:27:37,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 09:27:37,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:37,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:37,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:27:37,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:37,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1683662735, now seen corresponding path program 1 times [2022-11-20 09:27:37,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:37,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958880408] [2022-11-20 09:27:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:37,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 09:27:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:37,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:37,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958880408] [2022-11-20 09:27:37,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958880408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:37,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:37,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:37,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071664577] [2022-11-20 09:27:37,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:37,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:37,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:37,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:37,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:37,760 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:37,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:37,787 INFO L93 Difference]: Finished difference Result 103 states and 132 transitions. [2022-11-20 09:27:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:37,790 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-20 09:27:37,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:37,793 INFO L225 Difference]: With dead ends: 103 [2022-11-20 09:27:37,793 INFO L226 Difference]: Without dead ends: 55 [2022-11-20 09:27:37,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:37,795 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:37,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 67 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-20 09:27:37,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-20 09:27:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 09:27:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2022-11-20 09:27:37,810 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 29 [2022-11-20 09:27:37,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:37,810 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-11-20 09:27:37,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:27:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-11-20 09:27:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 09:27:37,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:37,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:37,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:27:37,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:37,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:37,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1180569682, now seen corresponding path program 1 times [2022-11-20 09:27:37,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:37,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371766703] [2022-11-20 09:27:37,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:37,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 09:27:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 09:27:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:38,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:38,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371766703] [2022-11-20 09:27:38,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371766703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:38,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:38,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:27:38,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094363091] [2022-11-20 09:27:38,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:38,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:27:38,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:38,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:27:38,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:38,021 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:27:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:38,097 INFO L93 Difference]: Finished difference Result 96 states and 120 transitions. [2022-11-20 09:27:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:27:38,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-20 09:27:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:38,099 INFO L225 Difference]: With dead ends: 96 [2022-11-20 09:27:38,099 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:27:38,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:27:38,101 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:38,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:38,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:27:38,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:27:38,103 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) [2022-11-20 09:27:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:27:38,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-20 09:27:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:38,104 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:38,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:27:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:27:38,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:27:38,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:27:38,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:27:38,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:27:38,384 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 773 779) no Hoare annotation was computed. [2022-11-20 09:27:38,385 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 773 779) the Hoare annotation is: true [2022-11-20 09:27:38,385 INFO L899 garLoopResultBuilder]: For program point L626-1(lines 622 633) no Hoare annotation was computed. [2022-11-20 09:27:38,385 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 622 633) the Hoare annotation is: true [2022-11-20 09:27:38,385 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 622 633) no Hoare annotation was computed. [2022-11-20 09:27:38,385 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 634 642) the Hoare annotation is: true [2022-11-20 09:27:38,385 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 634 642) no Hoare annotation was computed. [2022-11-20 09:27:38,386 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 634 642) no Hoare annotation was computed. [2022-11-20 09:27:38,386 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,386 INFO L895 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,386 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2022-11-20 09:27:38,386 INFO L895 garLoopResultBuilder]: At program point L589(lines 584 591) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,387 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 749 772) no Hoare annotation was computed. [2022-11-20 09:27:38,387 INFO L895 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,387 INFO L895 garLoopResultBuilder]: At program point L800-1(lines 781 805) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,387 INFO L895 garLoopResultBuilder]: At program point L829(lines 822 832) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,387 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2022-11-20 09:27:38,388 INFO L895 garLoopResultBuilder]: At program point L602-2(lines 598 609) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,388 INFO L895 garLoopResultBuilder]: At program point L838(lines 833 841) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-11-20 09:27:38,388 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2022-11-20 09:27:38,388 INFO L899 garLoopResultBuilder]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2022-11-20 09:27:38,388 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2022-11-20 09:27:38,389 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 797) no Hoare annotation was computed. [2022-11-20 09:27:38,389 INFO L895 garLoopResultBuilder]: At program point L566-1(lines 558 582) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,389 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 802) no Hoare annotation was computed. [2022-11-20 09:27:38,389 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,389 INFO L899 garLoopResultBuilder]: For program point L827-1(line 827) no Hoare annotation was computed. [2022-11-20 09:27:38,389 INFO L895 garLoopResultBuilder]: At program point L819(lines 814 821) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,390 INFO L899 garLoopResultBuilder]: For program point L753-1(lines 752 771) no Hoare annotation was computed. [2022-11-20 09:27:38,390 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 749 772) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 09:27:38,390 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2022-11-20 09:27:38,390 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 749 772) no Hoare annotation was computed. [2022-11-20 09:27:38,390 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2022-11-20 09:27:38,391 INFO L902 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2022-11-20 09:27:38,391 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2022-11-20 09:27:38,391 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-20 09:27:38,391 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2022-11-20 09:27:38,391 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2022-11-20 09:27:38,391 INFO L902 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2022-11-20 09:27:38,392 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-11-20 09:27:38,392 INFO L902 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2022-11-20 09:27:38,392 INFO L902 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2022-11-20 09:27:38,392 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2022-11-20 09:27:38,392 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 729) no Hoare annotation was computed. [2022-11-20 09:27:38,392 INFO L895 garLoopResultBuilder]: At program point L725-2(lines 717 730) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:27:38,393 INFO L899 garLoopResultBuilder]: For program point L688(lines 687 734) no Hoare annotation was computed. [2022-11-20 09:27:38,393 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 730) no Hoare annotation was computed. [2022-11-20 09:27:38,393 INFO L895 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:27:38,393 INFO L902 garLoopResultBuilder]: At program point L738(lines 677 742) the Hoare annotation is: true [2022-11-20 09:27:38,393 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 09:27:38,393 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:27:38,394 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:27:38,394 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:27:38,394 INFO L895 garLoopResultBuilder]: At program point L441(lines 437 443) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 09:27:38,394 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2022-11-20 09:27:38,394 INFO L899 garLoopResultBuilder]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2022-11-20 09:27:38,394 INFO L895 garLoopResultBuilder]: At program point L883(lines 878 885) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:27:38,395 INFO L899 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2022-11-20 09:27:38,395 INFO L902 garLoopResultBuilder]: At program point L528(lines 521 530) the Hoare annotation is: true [2022-11-20 09:27:38,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:27:38,395 INFO L895 garLoopResultBuilder]: At program point L735(lines 686 736) the Hoare annotation is: false [2022-11-20 09:27:38,395 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 548) no Hoare annotation was computed. [2022-11-20 09:27:38,395 INFO L899 garLoopResultBuilder]: For program point L541-2(lines 541 548) no Hoare annotation was computed. [2022-11-20 09:27:38,396 INFO L895 garLoopResultBuilder]: At program point L434(lines 430 436) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 09:27:38,396 INFO L902 garLoopResultBuilder]: At program point L550(lines 531 553) the Hoare annotation is: true [2022-11-20 09:27:38,396 INFO L895 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 09:27:38,396 INFO L899 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2022-11-20 09:27:38,396 INFO L899 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2022-11-20 09:27:38,396 INFO L895 garLoopResultBuilder]: At program point L732(lines 687 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:27:38,397 INFO L895 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:27:38,397 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 610 621) no Hoare annotation was computed. [2022-11-20 09:27:38,397 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2022-11-20 09:27:38,397 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 610 621) the Hoare annotation is: true [2022-11-20 09:27:38,401 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 09:27:38,403 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:27:38,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:27:38 BoogieIcfgContainer [2022-11-20 09:27:38,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:27:38,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:27:38,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:27:38,419 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:27:38,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:36" (3/4) ... [2022-11-20 09:27:38,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:27:38,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 09:27:38,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 09:27:38,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 09:27:38,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 09:27:38,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 09:27:38,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 09:27:38,443 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 09:27:38,444 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 09:27:38,445 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 09:27:38,445 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:27:38,445 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:27:38,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 09:27:38,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 09:27:38,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 09:27:38,477 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 09:27:38,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0) [2022-11-20 09:27:38,480 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 09:27:38,480 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 09:27:38,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:27:38,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:27:38,519 INFO L158 Benchmark]: Toolchain (without parser) took 2819.06ms. Allocated memory is still 167.8MB. Free memory was 125.4MB in the beginning and 84.3MB in the end (delta: 41.1MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-11-20 09:27:38,519 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:38,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.09ms. Allocated memory is still 167.8MB. Free memory was 124.9MB in the beginning and 106.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 09:27:38,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.25ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:38,520 INFO L158 Benchmark]: Boogie Preprocessor took 25.79ms. Allocated memory is still 167.8MB. Free memory was 104.8MB in the beginning and 103.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:38,520 INFO L158 Benchmark]: RCFGBuilder took 454.24ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 89.1MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:38,521 INFO L158 Benchmark]: TraceAbstraction took 1655.82ms. Allocated memory is still 167.8MB. Free memory was 88.1MB in the beginning and 88.9MB in the end (delta: -797.3kB). Peak memory consumption was 593.0kB. Max. memory is 16.1GB. [2022-11-20 09:27:38,521 INFO L158 Benchmark]: Witness Printer took 98.92ms. Allocated memory is still 167.8MB. Free memory was 88.9MB in the beginning and 84.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:38,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.09ms. Allocated memory is still 167.8MB. Free memory was 124.9MB in the beginning and 106.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.25ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.79ms. Allocated memory is still 167.8MB. Free memory was 104.8MB in the beginning and 103.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 454.24ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 89.1MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1655.82ms. Allocated memory is still 167.8MB. Free memory was 88.1MB in the beginning and 88.9MB in the end (delta: -797.3kB). Peak memory consumption was 593.0kB. Max. memory is 16.1GB. * Witness Printer took 98.92ms. Allocated memory is still 167.8MB. Free memory was 88.9MB in the beginning and 84.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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: 588]: 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 7 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 421 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 275 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 145 PreInvPairs, 160 NumberOfFragments, 221 HoareAnnotationTreeSize, 145 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 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 1 specifications checked. All of them hold - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 09:27:38,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fbac93-f878-403e-be9a-2cac3405ab1f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE