./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF --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 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:31:57,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:31:57,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:31:57,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:31:57,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:31:57,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:31:57,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:31:57,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:31:57,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:31:57,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:31:57,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:31:57,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:31:57,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:31:57,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:31:57,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:31:57,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:31:57,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:31:57,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:31:57,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:31:57,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:31:57,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:31:57,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:31:57,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:31:57,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:31:57,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:31:57,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:31:57,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:31:57,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:31:57,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:31:57,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:31:57,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:31:57,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:31:57,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:31:57,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:31:57,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:31:57,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:31:57,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:31:57,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:31:57,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:31:57,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:31:57,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:31:57,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 05:31:57,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:31:57,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:31:57,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:31:57,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:31:58,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:31:58,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:31:58,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:31:58,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:31:58,010 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:31:58,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:31:58,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:31:58,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:31:58,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:31:58,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:31:58,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:31:58,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:31:58,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:31:58,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:31:58,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:31:58,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:31:58,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:31:58,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:31:58,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:31:58,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:31:58,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:31:58,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:31:58,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:31:58,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:31:58,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:31:58,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:31:58,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:31:58,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:31:58,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:31:58,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:31:58,019 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_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2021-11-20 05:31:58,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:31:58,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:31:58,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:31:58,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:31:58,358 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:31:58,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-11-20 05:31:58,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/data/86d8fb58c/ff62e718bfa84e2f89be7152785e41c1/FLAGc55afe3ab [2021-11-20 05:31:59,091 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:31:59,091 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-11-20 05:31:59,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/data/86d8fb58c/ff62e718bfa84e2f89be7152785e41c1/FLAGc55afe3ab [2021-11-20 05:31:59,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/data/86d8fb58c/ff62e718bfa84e2f89be7152785e41c1 [2021-11-20 05:31:59,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:31:59,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:31:59,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:31:59,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:31:59,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:31:59,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:59" (1/1) ... [2021-11-20 05:31:59,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43685b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:59, skipping insertion in model container [2021-11-20 05:31:59,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:59" (1/1) ... [2021-11-20 05:31:59,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:31:59,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:31:59,833 WARN L230 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_443e4f3f-dab5-4317-ab31-44f8b450cb3b/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2021-11-20 05:31:59,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:31:59,849 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:31:59,977 WARN L230 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_443e4f3f-dab5-4317-ab31-44f8b450cb3b/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2021-11-20 05:31:59,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:32:00,015 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:32:00,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00 WrapperNode [2021-11-20 05:32:00,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:32:00,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:32:00,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:32:00,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:32:00,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,119 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 236 [2021-11-20 05:32:00,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:32:00,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:32:00,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:32:00,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:32:00,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:32:00,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:32:00,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:32:00,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:32:00,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (1/1) ... [2021-11-20 05:32:00,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:32:00,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:32:00,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:32:00,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:32:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:32:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-20 05:32:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-20 05:32:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 05:32:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 05:32:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 05:32:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 05:32:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-20 05:32:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-20 05:32:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 05:32:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 05:32:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 05:32:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 05:32:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-20 05:32:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-20 05:32:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:32:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 05:32:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 05:32:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:32:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:32:00,371 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:32:00,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:32:00,802 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:32:00,812 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:32:00,813 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 05:32:00,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:00 BoogieIcfgContainer [2021-11-20 05:32:00,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:32:00,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:32:00,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:32:00,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:32:00,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:31:59" (1/3) ... [2021-11-20 05:32:00,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52534515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:32:00, skipping insertion in model container [2021-11-20 05:32:00,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:00" (2/3) ... [2021-11-20 05:32:00,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52534515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:32:00, skipping insertion in model container [2021-11-20 05:32:00,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:00" (3/3) ... [2021-11-20 05:32:00,827 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2021-11-20 05:32:00,833 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:32:00,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:32:00,901 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:32:00,910 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 [2021-11-20 05:32:00,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:32:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-20 05:32:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 05:32:00,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:00,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:32:00,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:00,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:00,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1836528484, now seen corresponding path program 1 times [2021-11-20 05:32:01,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:32:01,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978692125] [2021-11-20 05:32:01,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:01,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:32:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:32:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:32:01,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:32:01,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978692125] [2021-11-20 05:32:01,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978692125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:01,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:01,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:32:01,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467777199] [2021-11-20 05:32:01,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:01,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:32:01,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:32:01,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:32:01,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:32:01,402 INFO L87 Difference]: Start difference. First operand has 91 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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) [2021-11-20 05:32:01,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:32:01,446 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2021-11-20 05:32:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:32:01,449 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 [2021-11-20 05:32:01,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:32:01,464 INFO L225 Difference]: With dead ends: 174 [2021-11-20 05:32:01,464 INFO L226 Difference]: Without dead ends: 82 [2021-11-20 05:32:01,471 INFO L932 BasicCegarLoop]: 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 [2021-11-20 05:32:01,477 INFO L933 BasicCegarLoop]: 115 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, 115 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 [2021-11-20 05:32:01,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:32:01,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-20 05:32:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-20 05:32:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.305084745762712) internal successors, (77), 67 states have internal predecessors, (77), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-20 05:32:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2021-11-20 05:32:01,542 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 23 [2021-11-20 05:32:01,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:32:01,543 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2021-11-20 05:32:01,543 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), 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) [2021-11-20 05:32:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2021-11-20 05:32:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 05:32:01,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:01,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:32:01,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:32:01,551 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:01,553 INFO L85 PathProgramCache]: Analyzing trace with hash -639075496, now seen corresponding path program 1 times [2021-11-20 05:32:01,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:32:01,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092193062] [2021-11-20 05:32:01,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:01,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:32:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 05:32:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:32:01,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:32:01,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092193062] [2021-11-20 05:32:01,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092193062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:01,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:01,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:32:01,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265273590] [2021-11-20 05:32:01,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:01,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:32:01,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:32:01,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:32:01,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:32:01,747 INFO L87 Difference]: Start difference. First operand 82 states and 106 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) [2021-11-20 05:32:01,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:32:01,771 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2021-11-20 05:32:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:32:01,772 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 [2021-11-20 05:32:01,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:32:01,775 INFO L225 Difference]: With dead ends: 126 [2021-11-20 05:32:01,775 INFO L226 Difference]: Without dead ends: 73 [2021-11-20 05:32:01,776 INFO L932 BasicCegarLoop]: 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 [2021-11-20 05:32:01,778 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 16 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 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 [2021-11-20 05:32:01,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:32:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-20 05:32:01,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-20 05:32:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.320754716981132) internal successors, (70), 61 states have internal predecessors, (70), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 05:32:01,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2021-11-20 05:32:01,796 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 24 [2021-11-20 05:32:01,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:32:01,797 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2021-11-20 05:32:01,797 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), 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) [2021-11-20 05:32:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2021-11-20 05:32:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 05:32:01,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:01,800 INFO L514 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, 1] [2021-11-20 05:32:01,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:32:01,801 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:01,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:01,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1922236756, now seen corresponding path program 1 times [2021-11-20 05:32:01,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:32:01,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188588577] [2021-11-20 05:32:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:01,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:32:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 05:32:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:32:01,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:32:01,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188588577] [2021-11-20 05:32:01,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188588577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:01,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:01,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:32:01,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916613916] [2021-11-20 05:32:01,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:01,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:32:01,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:32:01,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:32:01,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:32:01,920 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-11-20 05:32:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:32:02,199 INFO L93 Difference]: Finished difference Result 246 states and 323 transitions. [2021-11-20 05:32:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:32:02,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2021-11-20 05:32:02,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:32:02,204 INFO L225 Difference]: With dead ends: 246 [2021-11-20 05:32:02,204 INFO L226 Difference]: Without dead ends: 180 [2021-11-20 05:32:02,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:32:02,208 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 248 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:32:02,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 412 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:32:02,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-11-20 05:32:02,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2021-11-20 05:32:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.352) internal successors, (169), 143 states have internal predecessors, (169), 29 states have call successors, (29), 19 states have call predecessors, (29), 19 states have return successors, (30), 19 states have call predecessors, (30), 29 states have call successors, (30) [2021-11-20 05:32:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 228 transitions. [2021-11-20 05:32:02,252 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 228 transitions. Word has length 28 [2021-11-20 05:32:02,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:32:02,253 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 228 transitions. [2021-11-20 05:32:02,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-11-20 05:32:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 228 transitions. [2021-11-20 05:32:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 05:32:02,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:02,257 INFO L514 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, 1, 1, 1, 1, 1] [2021-11-20 05:32:02,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:32:02,257 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:02,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:02,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1773208458, now seen corresponding path program 1 times [2021-11-20 05:32:02,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:32:02,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367656975] [2021-11-20 05:32:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:02,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:32:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 05:32:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:32:02,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:32:02,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367656975] [2021-11-20 05:32:02,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367656975] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:02,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:02,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:32:02,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577891292] [2021-11-20 05:32:02,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:02,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:32:02,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:32:02,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:32:02,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:32:02,425 INFO L87 Difference]: Start difference. First operand 174 states and 228 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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) [2021-11-20 05:32:02,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:32:02,615 INFO L93 Difference]: Finished difference Result 509 states and 680 transitions. [2021-11-20 05:32:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 05:32:02,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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 32 [2021-11-20 05:32:02,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:32:02,627 INFO L225 Difference]: With dead ends: 509 [2021-11-20 05:32:02,627 INFO L226 Difference]: Without dead ends: 342 [2021-11-20 05:32:02,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:32:02,632 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 65 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:32:02,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 461 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:32:02,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-11-20 05:32:02,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2021-11-20 05:32:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 236 states have (on average 1.3347457627118644) internal successors, (315), 271 states have internal predecessors, (315), 58 states have call successors, (58), 38 states have call predecessors, (58), 38 states have return successors, (63), 38 states have call predecessors, (63), 58 states have call successors, (63) [2021-11-20 05:32:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 436 transitions. [2021-11-20 05:32:02,758 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 436 transitions. Word has length 32 [2021-11-20 05:32:02,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:32:02,758 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 436 transitions. [2021-11-20 05:32:02,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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) [2021-11-20 05:32:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 436 transitions. [2021-11-20 05:32:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 05:32:02,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:02,763 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:32:02,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:32:02,770 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:02,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:02,773 INFO L85 PathProgramCache]: Analyzing trace with hash -491579890, now seen corresponding path program 1 times [2021-11-20 05:32:02,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:32:02,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919365026] [2021-11-20 05:32:02,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:02,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:32:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 05:32:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 05:32:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:32:02,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:32:02,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919365026] [2021-11-20 05:32:02,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919365026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:02,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:02,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:32:02,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053412005] [2021-11-20 05:32:02,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:02,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:32:02,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:32:02,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:32:02,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:32:02,902 INFO L87 Difference]: Start difference. First operand 333 states and 436 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:32:03,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:32:03,094 INFO L93 Difference]: Finished difference Result 578 states and 760 transitions. [2021-11-20 05:32:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:32:03,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 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 36 [2021-11-20 05:32:03,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:32:03,100 INFO L225 Difference]: With dead ends: 578 [2021-11-20 05:32:03,100 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 05:32:03,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:32:03,113 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:32:03,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 139 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:32:03,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 05:32:03,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 05:32:03,115 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) [2021-11-20 05:32:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 05:32:03,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-11-20 05:32:03,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:32:03,116 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:32:03,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:32:03,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:32:03,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 05:32:03,119 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:32:03,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:32:03,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 05:32:04,147 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 681 688) the Hoare annotation is: true [2021-11-20 05:32:04,148 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 681 688) no Hoare annotation was computed. [2021-11-20 05:32:04,148 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 681 688) no Hoare annotation was computed. [2021-11-20 05:32:04,148 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 614 620) no Hoare annotation was computed. [2021-11-20 05:32:04,148 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 614 620) the Hoare annotation is: true [2021-11-20 05:32:04,149 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-20 05:32:04,149 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2021-11-20 05:32:04,149 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2021-11-20 05:32:04,149 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 846 875) no Hoare annotation was computed. [2021-11-20 05:32:04,149 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 846 875) the Hoare annotation is: true [2021-11-20 05:32:04,149 INFO L858 garLoopResultBuilder]: For program point L860(lines 860 864) no Hoare annotation was computed. [2021-11-20 05:32:04,150 INFO L861 garLoopResultBuilder]: At program point L860-1(lines 860 864) the Hoare annotation is: true [2021-11-20 05:32:04,150 INFO L858 garLoopResultBuilder]: For program point L857(line 857) no Hoare annotation was computed. [2021-11-20 05:32:04,150 INFO L861 garLoopResultBuilder]: At program point L856-2(lines 856 870) the Hoare annotation is: true [2021-11-20 05:32:04,150 INFO L861 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: true [2021-11-20 05:32:04,150 INFO L858 garLoopResultBuilder]: For program point L852-1(line 852) no Hoare annotation was computed. [2021-11-20 05:32:04,150 INFO L861 garLoopResultBuilder]: At program point L871(lines 846 875) the Hoare annotation is: true [2021-11-20 05:32:04,151 INFO L858 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2021-11-20 05:32:04,151 INFO L854 garLoopResultBuilder]: At program point L667(line 667) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-20 05:32:04,151 INFO L854 garLoopResultBuilder]: At program point L667-1(lines 648 672) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-20 05:32:04,151 INFO L854 garLoopResultBuilder]: At program point L696(lines 689 699) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 05:32:04,155 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2021-11-20 05:32:04,156 INFO L854 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 05:32:04,156 INFO L858 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2021-11-20 05:32:04,156 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 590 613) no Hoare annotation was computed. [2021-11-20 05:32:04,156 INFO L854 garLoopResultBuilder]: At program point L705(lines 700 708) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2021-11-20 05:32:04,157 INFO L858 garLoopResultBuilder]: For program point L594-1(lines 593 612) no Hoare annotation was computed. [2021-11-20 05:32:04,157 INFO L858 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2021-11-20 05:32:04,157 INFO L858 garLoopResultBuilder]: For program point L656(lines 656 664) no Hoare annotation was computed. [2021-11-20 05:32:04,157 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-11-20 05:32:04,157 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 669) no Hoare annotation was computed. [2021-11-20 05:32:04,157 INFO L854 garLoopResultBuilder]: At program point L429-2(lines 425 436) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 05:32:04,158 INFO L858 garLoopResultBuilder]: For program point L793(lines 793 799) no Hoare annotation was computed. [2021-11-20 05:32:04,158 INFO L854 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 05:32:04,158 INFO L858 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2021-11-20 05:32:04,158 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 802) no Hoare annotation was computed. [2021-11-20 05:32:04,158 INFO L854 garLoopResultBuilder]: At program point L789-1(lines 781 805) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0)))) [2021-11-20 05:32:04,159 INFO L854 garLoopResultBuilder]: At program point L946(lines 941 948) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 05:32:04,159 INFO L854 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 05:32:04,159 INFO L854 garLoopResultBuilder]: At program point L658(line 658) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 05:32:04,159 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 590 613) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 05:32:04,159 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 590 613) no Hoare annotation was computed. [2021-11-20 05:32:04,160 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 945) no Hoare annotation was computed. [2021-11-20 05:32:04,160 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2021-11-20 05:32:04,160 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2021-11-20 05:32:04,160 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2021-11-20 05:32:04,160 INFO L854 garLoopResultBuilder]: At program point L832(lines 828 834) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-20 05:32:04,160 INFO L861 garLoopResultBuilder]: At program point L576(lines 515 580) the Hoare annotation is: true [2021-11-20 05:32:04,161 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 934) no Hoare annotation was computed. [2021-11-20 05:32:04,161 INFO L858 garLoopResultBuilder]: For program point L927-2(lines 927 934) no Hoare annotation was computed. [2021-11-20 05:32:04,161 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 541) no Hoare annotation was computed. [2021-11-20 05:32:04,161 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2021-11-20 05:32:04,161 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 531) no Hoare annotation was computed. [2021-11-20 05:32:04,161 INFO L861 garLoopResultBuilder]: At program point L936(lines 917 939) the Hoare annotation is: true [2021-11-20 05:32:04,162 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 05:32:04,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 05:32:04,162 INFO L854 garLoopResultBuilder]: At program point L573(lines 524 574) the Hoare annotation is: false [2021-11-20 05:32:04,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 05:32:04,162 INFO L854 garLoopResultBuilder]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-20 05:32:04,162 INFO L858 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2021-11-20 05:32:04,163 INFO L854 garLoopResultBuilder]: At program point L561-2(lines 555 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 05:32:04,163 INFO L854 garLoopResultBuilder]: At program point L904(lines 900 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)) [2021-11-20 05:32:04,163 INFO L854 garLoopResultBuilder]: At program point L776(lines 764 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 05:32:04,163 INFO L858 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2021-11-20 05:32:04,163 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 05:32:04,163 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2021-11-20 05:32:04,164 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 774) no Hoare annotation was computed. [2021-11-20 05:32:04,164 INFO L858 garLoopResultBuilder]: For program point L768-1(lines 768 774) no Hoare annotation was computed. [2021-11-20 05:32:04,164 INFO L854 garLoopResultBuilder]: At program point L570(lines 525 572) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 05:32:04,164 INFO L854 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 05:32:04,164 INFO L861 garLoopResultBuilder]: At program point L914(lines 907 916) the Hoare annotation is: true [2021-11-20 05:32:04,165 INFO L858 garLoopResultBuilder]: For program point L526(lines 525 572) no Hoare annotation was computed. [2021-11-20 05:32:04,165 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 568) no Hoare annotation was computed. [2021-11-20 05:32:04,165 INFO L854 garLoopResultBuilder]: At program point L840(lines 835 843) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 05:32:04,165 INFO L854 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 05:32:04,165 INFO L854 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: false [2021-11-20 05:32:04,166 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2021-11-20 05:32:04,166 INFO L858 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2021-11-20 05:32:04,166 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: true [2021-11-20 05:32:04,166 INFO L854 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-11-20 05:32:04,166 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 622 646) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-11-20 05:32:04,167 INFO L854 garLoopResultBuilder]: At program point L760(lines 745 763) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-11-20 05:32:04,167 INFO L854 garLoopResultBuilder]: At program point L632(line 632) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-11-20 05:32:04,167 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 638) no Hoare annotation was computed. [2021-11-20 05:32:04,167 INFO L858 garLoopResultBuilder]: For program point L626(lines 626 643) no Hoare annotation was computed. [2021-11-20 05:32:04,167 INFO L858 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2021-11-20 05:32:04,167 INFO L858 garLoopResultBuilder]: For program point L754-2(lines 754 758) no Hoare annotation was computed. [2021-11-20 05:32:04,168 INFO L854 garLoopResultBuilder]: At program point L641(line 641) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-11-20 05:32:04,168 INFO L858 garLoopResultBuilder]: For program point L641-1(lines 622 646) no Hoare annotation was computed. [2021-11-20 05:32:04,168 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 622 646) no Hoare annotation was computed. [2021-11-20 05:32:04,168 INFO L854 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-11-20 05:32:04,172 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-20 05:32:04,174 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:32:04,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:32:04 BoogieIcfgContainer [2021-11-20 05:32:04,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:32:04,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:32:04,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:32:04,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:32:04,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:00" (3/4) ... [2021-11-20 05:32:04,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 05:32:04,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-20 05:32:04,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-20 05:32:04,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 05:32:04,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 05:32:04,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 05:32:04,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-20 05:32:04,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 05:32:04,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 05:32:04,230 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-11-20 05:32:04,231 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 05:32:04,232 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 05:32:04,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 05:32:04,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 05:32:04,234 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 05:32:04,235 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 05:32:04,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-11-20 05:32:04,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2021-11-20 05:32:04,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 05:32:04,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2021-11-20 05:32:04,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2021-11-20 05:32:04,268 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 05:32:04,268 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-11-20 05:32:04,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-11-20 05:32:04,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 05:32:04,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-11-20 05:32:04,308 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 05:32:04,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:32:04,309 INFO L158 Benchmark]: Toolchain (without parser) took 4923.48ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 65.9MB in the beginning and 47.2MB in the end (delta: 18.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2021-11-20 05:32:04,310 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:32:04,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.44ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 56.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:32:04,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.31ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 54.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:32:04,312 INFO L158 Benchmark]: Boogie Preprocessor took 67.53ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 52.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:32:04,312 INFO L158 Benchmark]: RCFGBuilder took 616.88ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 36.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 05:32:04,313 INFO L158 Benchmark]: TraceAbstraction took 3386.91ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 36.3MB in the beginning and 53.5MB in the end (delta: -17.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-20 05:32:04,313 INFO L158 Benchmark]: Witness Printer took 103.37ms. Allocated memory is still 109.1MB. Free memory was 53.5MB in the beginning and 47.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 05:32:04,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.44ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 56.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.31ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 54.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.53ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 52.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.88ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 36.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3386.91ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 36.3MB in the beginning and 53.5MB in the end (delta: -17.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 103.37ms. Allocated memory is still 109.1MB. Free memory was 53.5MB in the beginning and 47.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 945]: 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 9 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 391 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 383 mSDsluCounter, 1292 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 815 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 233 IncrementalHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 477 mSDtfsCounter, 233 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 520 PreInvPairs, 586 NumberOfFragments, 269 HoareAnnotationTreeSize, 520 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 2127 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) RESULT: Ultimate proved your program to be correct! [2021-11-20 05:32:04,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443e4f3f-dab5-4317-ab31-44f8b450cb3b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE