./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8 --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 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:52:33,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:52:33,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:52:33,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:52:33,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:52:33,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:52:33,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:52:33,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:52:33,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:52:33,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:52:33,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:52:33,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:52:33,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:52:33,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:52:33,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:52:33,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:52:33,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:52:33,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:52:33,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:52:33,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:52:33,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:52:33,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:52:33,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:52:33,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:52:33,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:52:33,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:52:33,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:52:33,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:52:33,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:52:33,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:52:33,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:52:33,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:52:33,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:52:33,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:52:33,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:52:33,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:52:33,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:52:33,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:52:33,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:52:33,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:52:33,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:52:33,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:52:33,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:52:33,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:52:33,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:52:33,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:52:33,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:52:33,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:52:33,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:52:33,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:52:33,643 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:52:33,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:52:33,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:52:33,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:52:33,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:52:33,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:52:33,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:52:33,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:52:33,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:52:33,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:52:33,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:52:33,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:52:33,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:52:33,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:52:33,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:52:33,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:52:33,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:52:33,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:52:33,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:52:33,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:52:33,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:52:33,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:52:33,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:52:33,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:52:33,647 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:52:33,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:52:33,647 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:52:33,648 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 [2022-12-13 14:52:33,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:52:33,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:52:33,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:52:33,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:52:33,867 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:52:33,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2022-12-13 14:52:36,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:52:36,568 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:52:36,568 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2022-12-13 14:52:36,576 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/data/97a1533d6/86aeabe9165c44a7ba1f01ca2ffe46d9/FLAGbcc532748 [2022-12-13 14:52:36,586 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/data/97a1533d6/86aeabe9165c44a7ba1f01ca2ffe46d9 [2022-12-13 14:52:36,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:52:36,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:52:36,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:52:36,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:52:36,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:52:36,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300deee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36, skipping insertion in model container [2022-12-13 14:52:36,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:52:36,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:52:36,734 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2022-12-13 14:52:36,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:52:36,800 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:52:36,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2022-12-13 14:52:36,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:52:36,857 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:52:36,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36 WrapperNode [2022-12-13 14:52:36,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:52:36,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:52:36,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:52:36,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:52:36,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,889 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 187 [2022-12-13 14:52:36,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:52:36,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:52:36,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:52:36,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:52:36,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:52:36,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:52:36,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:52:36,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:52:36,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (1/1) ... [2022-12-13 14:52:36,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:52:36,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:52:36,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:52:36,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:52:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:52:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 14:52:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 14:52:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 14:52:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 14:52:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 14:52:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 14:52:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 14:52:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 14:52:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 14:52:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 14:52:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-12-13 14:52:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-12-13 14:52:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 14:52:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 14:52:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:52:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 14:52:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 14:52:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:52:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:52:37,040 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:52:37,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:52:37,255 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:52:37,261 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:52:37,261 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:52:37,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:37 BoogieIcfgContainer [2022-12-13 14:52:37,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:52:37,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:52:37,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:52:37,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:52:37,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:52:36" (1/3) ... [2022-12-13 14:52:37,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d081a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:52:37, skipping insertion in model container [2022-12-13 14:52:37,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:36" (2/3) ... [2022-12-13 14:52:37,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d081a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:52:37, skipping insertion in model container [2022-12-13 14:52:37,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:37" (3/3) ... [2022-12-13 14:52:37,269 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2022-12-13 14:52:37,282 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:52:37,282 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:52:37,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:52:37,333 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78f8f096, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:52:37,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:52:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 14:52:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 14:52:37,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:37,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:37,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:37,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:37,351 INFO L85 PathProgramCache]: Analyzing trace with hash 12201370, now seen corresponding path program 1 times [2022-12-13 14:52:37,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:37,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162781974] [2022-12-13 14:52:37,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:37,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:37,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:37,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162781974] [2022-12-13 14:52:37,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162781974] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:37,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:37,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:52:37,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914817475] [2022-12-13 14:52:37,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:37,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:52:37,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:37,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:52:37,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:52:37,555 INFO L87 Difference]: Start difference. First operand has 86 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:52:37,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:37,587 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2022-12-13 14:52:37,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:52:37,588 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 14:52:37,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:37,596 INFO L225 Difference]: With dead ends: 164 [2022-12-13 14:52:37,596 INFO L226 Difference]: Without dead ends: 77 [2022-12-13 14:52:37,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:52:37,603 INFO L413 NwaCegarLoop]: 107 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, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:37,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:37,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-13 14:52:37,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-12-13 14:52:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 14:52:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-12-13 14:52:37,639 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 19 [2022-12-13 14:52:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:37,639 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-12-13 14:52:37,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:52:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-12-13 14:52:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 14:52:37,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:37,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:37,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:52:37,642 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:37,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:37,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1737320962, now seen corresponding path program 1 times [2022-12-13 14:52:37,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:37,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825657913] [2022-12-13 14:52:37,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:37,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:37,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:37,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825657913] [2022-12-13 14:52:37,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825657913] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:37,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:37,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:52:37,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52873902] [2022-12-13 14:52:37,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:37,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:52:37,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:37,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:52:37,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:37,741 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:52:37,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:37,757 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2022-12-13 14:52:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:52:37,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-13 14:52:37,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:37,759 INFO L225 Difference]: With dead ends: 120 [2022-12-13 14:52:37,759 INFO L226 Difference]: Without dead ends: 68 [2022-12-13 14:52:37,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:37,761 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 12 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:37,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 154 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:37,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-13 14:52:37,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-13 14:52:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.32) internal successors, (66), 57 states have internal predecessors, (66), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 14:52:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2022-12-13 14:52:37,771 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 20 [2022-12-13 14:52:37,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:37,771 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2022-12-13 14:52:37,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:52:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-12-13 14:52:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 14:52:37,772 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:37,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:37,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:52:37,773 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:37,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:37,773 INFO L85 PathProgramCache]: Analyzing trace with hash -688756728, now seen corresponding path program 1 times [2022-12-13 14:52:37,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:37,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198279318] [2022-12-13 14:52:37,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:37,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:37,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:37,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198279318] [2022-12-13 14:52:37,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198279318] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:37,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:37,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:52:37,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612731357] [2022-12-13 14:52:37,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:37,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:52:37,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:37,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:52:37,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:37,865 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:52:37,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:37,880 INFO L93 Difference]: Finished difference Result 129 states and 166 transitions. [2022-12-13 14:52:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:52:37,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-12-13 14:52:37,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:37,882 INFO L225 Difference]: With dead ends: 129 [2022-12-13 14:52:37,882 INFO L226 Difference]: Without dead ends: 68 [2022-12-13 14:52:37,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:52:37,884 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:37,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 84 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:52:37,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-13 14:52:37,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-13 14:52:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.3) internal successors, (65), 57 states have internal predecessors, (65), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 14:52:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2022-12-13 14:52:37,895 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 24 [2022-12-13 14:52:37,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:37,896 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2022-12-13 14:52:37,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:52:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-12-13 14:52:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 14:52:37,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:37,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:37,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:52:37,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:37,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:37,897 INFO L85 PathProgramCache]: Analyzing trace with hash -184867227, now seen corresponding path program 1 times [2022-12-13 14:52:37,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:37,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276637844] [2022-12-13 14:52:37,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:37,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:38,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 14:52:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:38,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:38,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:38,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276637844] [2022-12-13 14:52:38,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276637844] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:38,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:38,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:52:38,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684417389] [2022-12-13 14:52:38,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:38,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:52:38,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:38,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:52:38,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:52:38,013 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:52:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:38,227 INFO L93 Difference]: Finished difference Result 205 states and 265 transitions. [2022-12-13 14:52:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 14:52:38,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2022-12-13 14:52:38,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:38,229 INFO L225 Difference]: With dead ends: 205 [2022-12-13 14:52:38,229 INFO L226 Difference]: Without dead ends: 144 [2022-12-13 14:52:38,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:52:38,230 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 137 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:38,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 264 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:52:38,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-12-13 14:52:38,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 122. [2022-12-13 14:52:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 100 states have internal predecessors, (114), 20 states have call successors, (20), 14 states have call predecessors, (20), 13 states have return successors, (21), 11 states have call predecessors, (21), 20 states have call successors, (21) [2022-12-13 14:52:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 155 transitions. [2022-12-13 14:52:38,246 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 155 transitions. Word has length 34 [2022-12-13 14:52:38,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:38,246 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 155 transitions. [2022-12-13 14:52:38,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:52:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 155 transitions. [2022-12-13 14:52:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 14:52:38,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:38,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:38,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:52:38,248 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:38,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:38,248 INFO L85 PathProgramCache]: Analyzing trace with hash 821655115, now seen corresponding path program 1 times [2022-12-13 14:52:38,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:38,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597949219] [2022-12-13 14:52:38,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:38,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:38,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:52:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 14:52:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:52:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:38,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:52:38,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597949219] [2022-12-13 14:52:38,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597949219] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:38,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:38,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:52:38,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955612556] [2022-12-13 14:52:38,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:38,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 14:52:38,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:52:38,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:52:38,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:52:38,342 INFO L87 Difference]: Start difference. First operand 122 states and 155 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 14:52:38,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:38,447 INFO L93 Difference]: Finished difference Result 199 states and 257 transitions. [2022-12-13 14:52:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:52:38,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-12-13 14:52:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:38,448 INFO L225 Difference]: With dead ends: 199 [2022-12-13 14:52:38,448 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:52:38,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:52:38,451 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 71 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:38,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 130 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:52:38,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:52:38,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:52:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:52:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:52:38,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-12-13 14:52:38,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:38,452 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:52:38,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 14:52:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:52:38,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:52:38,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:52:38,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:52:38,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:52:38,848 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 742 749) no Hoare annotation was computed. [2022-12-13 14:52:38,849 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 742 749) the Hoare annotation is: true [2022-12-13 14:52:38,849 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 742 749) no Hoare annotation was computed. [2022-12-13 14:52:38,849 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 658 664) no Hoare annotation was computed. [2022-12-13 14:52:38,849 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 658 664) the Hoare annotation is: true [2022-12-13 14:52:38,849 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2022-12-13 14:52:38,849 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-12-13 14:52:38,849 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-12-13 14:52:38,849 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2022-12-13 14:52:38,850 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2022-12-13 14:52:38,850 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2022-12-13 14:52:38,850 INFO L902 garLoopResultBuilder]: At program point L852(lines 827 856) the Hoare annotation is: true [2022-12-13 14:52:38,850 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2022-12-13 14:52:38,850 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 856) the Hoare annotation is: true [2022-12-13 14:52:38,850 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2022-12-13 14:52:38,850 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2022-12-13 14:52:38,850 INFO L899 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2022-12-13 14:52:38,850 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2022-12-13 14:52:38,851 INFO L899 garLoopResultBuilder]: For program point L638-1(lines 637 656) no Hoare annotation was computed. [2022-12-13 14:52:38,851 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 708) no Hoare annotation was computed. [2022-12-13 14:52:38,851 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 713) no Hoare annotation was computed. [2022-12-13 14:52:38,851 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 634 657) no Hoare annotation was computed. [2022-12-13 14:52:38,851 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 127 135) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-12-13 14:52:38,852 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,852 INFO L895 garLoopResultBuilder]: At program point L702(line 702) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,852 INFO L895 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,852 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2022-12-13 14:52:38,852 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 146 153) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,852 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 657) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,852 INFO L895 garLoopResultBuilder]: At program point L711(line 711) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,853 INFO L895 garLoopResultBuilder]: At program point L711-1(lines 692 716) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,853 INFO L899 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2022-12-13 14:52:38,853 INFO L899 garLoopResultBuilder]: For program point L645-1(lines 645 651) no Hoare annotation was computed. [2022-12-13 14:52:38,853 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 943) no Hoare annotation was computed. [2022-12-13 14:52:38,853 INFO L895 garLoopResultBuilder]: At program point L930-1(lines 922 946) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))))) [2022-12-13 14:52:38,853 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-12-13 14:52:38,853 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,853 INFO L899 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2022-12-13 14:52:38,854 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 634 657) no Hoare annotation was computed. [2022-12-13 14:52:38,854 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 761 769) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2022-12-13 14:52:38,854 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2022-12-13 14:52:38,854 INFO L895 garLoopResultBuilder]: At program point L576(lines 533 578) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:52:38,854 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2022-12-13 14:52:38,854 INFO L899 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2022-12-13 14:52:38,854 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-12-13 14:52:38,855 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 888 897) the Hoare annotation is: true [2022-12-13 14:52:38,855 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 602 608) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 14:52:38,855 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 898 920) the Hoare annotation is: true [2022-12-13 14:52:38,855 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:52:38,855 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:52:38,855 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2022-12-13 14:52:38,855 INFO L895 garLoopResultBuilder]: At program point L569-2(lines 563 574) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:52:38,855 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 915) no Hoare annotation was computed. [2022-12-13 14:52:38,856 INFO L899 garLoopResultBuilder]: For program point L908-2(lines 908 915) no Hoare annotation was computed. [2022-12-13 14:52:38,856 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 881 887) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 14:52:38,856 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2022-12-13 14:52:38,856 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2022-12-13 14:52:38,856 INFO L902 garLoopResultBuilder]: At program point L582(lines 523 586) the Hoare annotation is: true [2022-12-13 14:52:38,856 INFO L895 garLoopResultBuilder]: At program point L545(line 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:52:38,856 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:52:38,856 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:52:38,857 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 609 615) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 14:52:38,857 INFO L895 garLoopResultBuilder]: At program point L579(lines 532 580) the Hoare annotation is: false [2022-12-13 14:52:38,857 INFO L899 garLoopResultBuilder]: For program point L534(lines 533 578) no Hoare annotation was computed. [2022-12-13 14:52:38,857 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 574) no Hoare annotation was computed. [2022-12-13 14:52:38,857 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 616 624) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 14:52:38,857 INFO L895 garLoopResultBuilder]: At program point L555(line 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:52:38,857 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-12-13 14:52:38,857 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-12-13 14:52:38,858 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2022-12-13 14:52:38,858 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,858 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 666 690) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,858 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,858 INFO L895 garLoopResultBuilder]: At program point L676(line 676) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,858 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 682) no Hoare annotation was computed. [2022-12-13 14:52:38,858 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 687) no Hoare annotation was computed. [2022-12-13 14:52:38,859 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 806 824) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,859 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 819) no Hoare annotation was computed. [2022-12-13 14:52:38,859 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 819) no Hoare annotation was computed. [2022-12-13 14:52:38,859 INFO L895 garLoopResultBuilder]: At program point L685(line 685) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-12-13 14:52:38,859 INFO L899 garLoopResultBuilder]: For program point L685-1(lines 666 690) no Hoare annotation was computed. [2022-12-13 14:52:38,859 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 666 690) no Hoare annotation was computed. [2022-12-13 14:52:38,859 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 95 103) the Hoare annotation is: true [2022-12-13 14:52:38,859 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 750 760) no Hoare annotation was computed. [2022-12-13 14:52:38,859 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 750 760) the Hoare annotation is: true [2022-12-13 14:52:38,860 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 750 760) no Hoare annotation was computed. [2022-12-13 14:52:38,863 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 14:52:38,865 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:52:38,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:52:38 BoogieIcfgContainer [2022-12-13 14:52:38,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:52:38,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:52:38,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:52:38,882 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:52:38,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:37" (3/4) ... [2022-12-13 14:52:38,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:52:38,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 14:52:38,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 14:52:38,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 14:52:38,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 14:52:38,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 14:52:38,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 14:52:38,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-12-13 14:52:38,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-12-13 14:52:38,898 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-13 14:52:38,898 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 14:52:38,899 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 14:52:38,899 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:52:38,899 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:52:38,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-12-13 14:52:38,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) [2022-12-13 14:52:38,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-12-13 14:52:38,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) [2022-12-13 14:52:38,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-12-13 14:52:38,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2022-12-13 14:52:38,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-12-13 14:52:38,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-12-13 14:52:38,938 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:52:38,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:52:38,939 INFO L158 Benchmark]: Toolchain (without parser) took 2349.83ms. Allocated memory is still 172.0MB. Free memory was 144.0MB in the beginning and 131.9MB in the end (delta: 12.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-12-13 14:52:38,939 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:52:38,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.48ms. Allocated memory is still 172.0MB. Free memory was 144.0MB in the beginning and 125.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:52:38,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.14ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 123.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:52:38,940 INFO L158 Benchmark]: Boogie Preprocessor took 18.10ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 121.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:52:38,940 INFO L158 Benchmark]: RCFGBuilder took 354.52ms. Allocated memory is still 172.0MB. Free memory was 121.7MB in the beginning and 105.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:52:38,941 INFO L158 Benchmark]: TraceAbstraction took 1617.08ms. Allocated memory is still 172.0MB. Free memory was 105.0MB in the beginning and 137.2MB in the end (delta: -32.2MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2022-12-13 14:52:38,941 INFO L158 Benchmark]: Witness Printer took 56.78ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 131.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:52:38,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.48ms. Allocated memory is still 172.0MB. Free memory was 144.0MB in the beginning and 125.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.14ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 123.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.10ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 121.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.52ms. Allocated memory is still 172.0MB. Free memory was 121.7MB in the beginning and 105.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1617.08ms. Allocated memory is still 172.0MB. Free memory was 105.0MB in the beginning and 137.2MB in the end (delta: -32.2MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Witness Printer took 56.78ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 131.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 150]: 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, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 296 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 288 mSDsluCounter, 739 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 368 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 240 IncrementalHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 371 mSDtfsCounter, 240 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 279 PreInvPairs, 301 NumberOfFragments, 362 HoareAnnotationTreeSize, 279 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 583 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 278 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: 692]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:52:38,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96619a2-4c3f-43e3-99a5-5b720ad56137/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE