./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro --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 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad --- 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-8393723 [2022-11-18 19:56:25,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:56:25,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:56:25,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:56:25,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:56:25,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:56:25,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:56:25,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:56:25,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:56:25,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:56:25,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:56:25,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:56:25,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:56:25,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:56:25,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:56:25,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:56:25,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:56:25,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:56:25,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:56:25,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:56:26,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:56:26,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:56:26,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:56:26,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:56:26,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:56:26,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:56:26,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:56:26,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:56:26,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:56:26,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:56:26,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:56:26,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:56:26,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:56:26,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:56:26,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:56:26,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:56:26,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:56:26,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:56:26,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:56:26,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:56:26,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:56:26,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:56:26,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:56:26,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:56:26,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:56:26,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:56:26,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:56:26,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:56:26,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:56:26,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:56:26,050 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:56:26,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:56:26,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:56:26,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:56:26,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:56:26,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:56:26,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:56:26,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:56:26,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:56:26,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:56:26,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:56:26,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:56:26,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:56:26,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:56:26,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:56:26,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:56:26,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:56:26,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:56:26,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:56:26,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:56:26,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:56:26,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:56:26,055 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:56:26,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:56:26,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:56:26,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad [2022-11-18 19:56:26,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:56:26,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:56:26,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:56:26,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:56:26,366 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:56:26,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2022-11-18 19:56:26,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/data/ebb7d8916/93e5bd4e25984540b849052d83d05bd2/FLAG959a930ed [2022-11-18 19:56:26,900 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:56:26,901 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2022-11-18 19:56:26,922 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/data/ebb7d8916/93e5bd4e25984540b849052d83d05bd2/FLAG959a930ed [2022-11-18 19:56:27,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/data/ebb7d8916/93e5bd4e25984540b849052d83d05bd2 [2022-11-18 19:56:27,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:56:27,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:56:27,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:56:27,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:56:27,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:56:27,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bd5620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27, skipping insertion in model container [2022-11-18 19:56:27,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:56:27,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:56:27,549 WARN L234 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_971b2345-2c50-48c8-aca3-881e0856979a/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2022-11-18 19:56:27,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:56:27,613 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:56:27,651 WARN L234 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_971b2345-2c50-48c8-aca3-881e0856979a/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2022-11-18 19:56:27,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:56:27,730 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:56:27,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27 WrapperNode [2022-11-18 19:56:27,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:56:27,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:56:27,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:56:27,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:56:27,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,788 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 190 [2022-11-18 19:56:27,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:56:27,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:56:27,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:56:27,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:56:27,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,837 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:56:27,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:56:27,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:56:27,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:56:27,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (1/1) ... [2022-11-18 19:56:27,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:56:27,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:27,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:56:27,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:56:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:56:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 19:56:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 19:56:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 19:56:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 19:56:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 19:56:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 19:56:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 19:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 19:56:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 19:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 19:56:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-18 19:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-18 19:56:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:56:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 19:56:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 19:56:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:56:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:56:28,003 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:56:28,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:56:28,252 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:56:28,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:56:28,274 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:56:28,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:28 BoogieIcfgContainer [2022-11-18 19:56:28,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:56:28,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:56:28,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:56:28,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:56:28,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:56:27" (1/3) ... [2022-11-18 19:56:28,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbb54f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:56:28, skipping insertion in model container [2022-11-18 19:56:28,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:27" (2/3) ... [2022-11-18 19:56:28,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbb54f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:56:28, skipping insertion in model container [2022-11-18 19:56:28,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:28" (3/3) ... [2022-11-18 19:56:28,303 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2022-11-18 19:56:28,339 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:56:28,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:56:28,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:56:28,418 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;@7dbc4a54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:56:28,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:56:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 19:56:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 19:56:28,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:28,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:28,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:28,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:28,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1081284888, now seen corresponding path program 1 times [2022-11-18 19:56:28,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:28,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730213432] [2022-11-18 19:56:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:28,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:28,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:28,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730213432] [2022-11-18 19:56:28,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730213432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:28,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:28,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:56:28,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130576355] [2022-11-18 19:56:28,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:28,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:56:28,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:28,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:56:28,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:56:28,820 INFO L87 Difference]: Start difference. First operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-11-18 19:56:28,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:28,881 INFO L93 Difference]: Finished difference Result 158 states and 215 transitions. [2022-11-18 19:56:28,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:56:28,883 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 [2022-11-18 19:56:28,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:28,892 INFO L225 Difference]: With dead ends: 158 [2022-11-18 19:56:28,892 INFO L226 Difference]: Without dead ends: 74 [2022-11-18 19:56:28,897 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 [2022-11-18 19:56:28,901 INFO L413 NwaCegarLoop]: 104 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, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:28,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:56:28,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-18 19:56:28,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-18 19:56:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 19:56:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2022-11-18 19:56:28,954 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 19 [2022-11-18 19:56:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:28,955 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2022-11-18 19:56:28,955 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) [2022-11-18 19:56:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2022-11-18 19:56:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 19:56:28,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:28,958 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] [2022-11-18 19:56:28,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:56:28,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:28,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1730590592, now seen corresponding path program 1 times [2022-11-18 19:56:28,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:28,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527627454] [2022-11-18 19:56:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:29,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:29,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527627454] [2022-11-18 19:56:29,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527627454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:29,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:29,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:29,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320819154] [2022-11-18 19:56:29,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:29,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:56:29,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:29,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:56:29,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:56:29,066 INFO L87 Difference]: Start difference. First operand 74 states and 95 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) [2022-11-18 19:56:29,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:29,084 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2022-11-18 19:56:29,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:56:29,084 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 [2022-11-18 19:56:29,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:29,086 INFO L225 Difference]: With dead ends: 113 [2022-11-18 19:56:29,086 INFO L226 Difference]: Without dead ends: 65 [2022-11-18 19:56:29,087 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 [2022-11-18 19:56:29,088 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:29,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:56:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-18 19:56:29,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-18 19:56:29,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 56 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 19:56:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2022-11-18 19:56:29,110 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 20 [2022-11-18 19:56:29,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:29,111 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2022-11-18 19:56:29,111 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) [2022-11-18 19:56:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-11-18 19:56:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 19:56:29,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:29,113 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] [2022-11-18 19:56:29,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:56:29,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:29,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1455931255, now seen corresponding path program 1 times [2022-11-18 19:56:29,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:29,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723393565] [2022-11-18 19:56:29,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:29,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:29,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:29,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723393565] [2022-11-18 19:56:29,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723393565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:29,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:29,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:29,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301928508] [2022-11-18 19:56:29,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:29,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:56:29,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:29,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:56:29,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:56:29,284 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-18 19:56:29,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:29,336 INFO L93 Difference]: Finished difference Result 123 states and 160 transitions. [2022-11-18 19:56:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:56:29,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 25 [2022-11-18 19:56:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:29,338 INFO L225 Difference]: With dead ends: 123 [2022-11-18 19:56:29,338 INFO L226 Difference]: Without dead ends: 65 [2022-11-18 19:56:29,339 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 [2022-11-18 19:56:29,341 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:29,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:56:29,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-18 19:56:29,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-18 19:56:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 56 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 19:56:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-11-18 19:56:29,354 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 25 [2022-11-18 19:56:29,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:29,355 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-11-18 19:56:29,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-18 19:56:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-11-18 19:56:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-18 19:56:29,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:29,357 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] [2022-11-18 19:56:29,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:56:29,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:29,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:29,359 INFO L85 PathProgramCache]: Analyzing trace with hash -930014932, now seen corresponding path program 1 times [2022-11-18 19:56:29,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:29,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226579696] [2022-11-18 19:56:29,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:56:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:29,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:29,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226579696] [2022-11-18 19:56:29,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226579696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:29,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:29,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:56:29,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181386787] [2022-11-18 19:56:29,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:29,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:56:29,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:29,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:56:29,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:56:29,537 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-11-18 19:56:29,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:29,852 INFO L93 Difference]: Finished difference Result 196 states and 256 transitions. [2022-11-18 19:56:29,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:56:29,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 35 [2022-11-18 19:56:29,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:29,856 INFO L225 Difference]: With dead ends: 196 [2022-11-18 19:56:29,856 INFO L226 Difference]: Without dead ends: 138 [2022-11-18 19:56:29,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:56:29,859 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 119 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:29,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 303 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:56:29,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-18 19:56:29,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 116. [2022-11-18 19:56:29,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 86 states have (on average 1.302325581395349) internal successors, (112), 98 states have internal predecessors, (112), 18 states have call successors, (18), 12 states have call predecessors, (18), 11 states have return successors, (19), 9 states have call predecessors, (19), 18 states have call successors, (19) [2022-11-18 19:56:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 149 transitions. [2022-11-18 19:56:29,910 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 149 transitions. Word has length 35 [2022-11-18 19:56:29,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:29,911 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 149 transitions. [2022-11-18 19:56:29,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-11-18 19:56:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2022-11-18 19:56:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 19:56:29,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:29,920 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, 1] [2022-11-18 19:56:29,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:56:29,921 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:29,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:29,922 INFO L85 PathProgramCache]: Analyzing trace with hash 320961478, now seen corresponding path program 1 times [2022-11-18 19:56:29,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:29,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114770419] [2022-11-18 19:56:29,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:29,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:30,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 19:56:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:30,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:30,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114770419] [2022-11-18 19:56:30,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114770419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:30,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:30,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:56:30,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165263356] [2022-11-18 19:56:30,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:30,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:56:30,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:30,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:56:30,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:30,162 INFO L87 Difference]: Start difference. First operand 116 states and 149 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:56:30,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:30,354 INFO L93 Difference]: Finished difference Result 195 states and 253 transitions. [2022-11-18 19:56:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:56:30,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2022-11-18 19:56:30,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:30,362 INFO L225 Difference]: With dead ends: 195 [2022-11-18 19:56:30,362 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:56:30,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:56:30,371 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:30,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 135 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:56:30,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:56:30,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:56:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:56:30,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-11-18 19:56:30,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:30,392 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:56:30,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:56:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:56:30,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:56:30,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:56:30,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:56:30,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:56:31,077 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 285 292) the Hoare annotation is: true [2022-11-18 19:56:31,078 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 285 292) no Hoare annotation was computed. [2022-11-18 19:56:31,078 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 285 292) no Hoare annotation was computed. [2022-11-18 19:56:31,078 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2022-11-18 19:56:31,078 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2022-11-18 19:56:31,078 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2022-11-18 19:56:31,079 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-11-18 19:56:31,079 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-11-18 19:56:31,079 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2022-11-18 19:56:31,079 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2022-11-18 19:56:31,079 INFO L902 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2022-11-18 19:56:31,079 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-11-18 19:56:31,080 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2022-11-18 19:56:31,080 INFO L902 garLoopResultBuilder]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2022-11-18 19:56:31,080 INFO L899 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2022-11-18 19:56:31,080 INFO L902 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2022-11-18 19:56:31,080 INFO L902 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: true [2022-11-18 19:56:31,080 INFO L899 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2022-11-18 19:56:31,081 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,081 INFO L895 garLoopResultBuilder]: At program point L271-1(lines 252 276) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,081 INFO L895 garLoopResultBuilder]: At program point L300(lines 293 303) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,081 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2022-11-18 19:56:31,081 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2022-11-18 19:56:31,082 INFO L895 garLoopResultBuilder]: At program point L309(lines 304 312) 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))) [2022-11-18 19:56:31,082 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 197 216) no Hoare annotation was computed. [2022-11-18 19:56:31,082 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 268) no Hoare annotation was computed. [2022-11-18 19:56:31,082 INFO L895 garLoopResultBuilder]: At program point L132(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))) [2022-11-18 19:56:31,082 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-11-18 19:56:31,082 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 273) no Hoare annotation was computed. [2022-11-18 19:56:31,083 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 568) no Hoare annotation was computed. [2022-11-18 19:56:31,083 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2022-11-18 19:56:31,083 INFO L895 garLoopResultBuilder]: At program point L558-1(lines 550 574) 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 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~5#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-11-18 19:56:31,083 INFO L895 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,083 INFO L895 garLoopResultBuilder]: At program point L546(lines 541 548) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,084 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-11-18 19:56:31,084 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))) [2022-11-18 19:56:31,084 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,084 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2022-11-18 19:56:31,084 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,084 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2022-11-18 19:56:31,085 INFO L895 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,085 INFO L895 garLoopResultBuilder]: At program point L436(lines 387 437) the Hoare annotation is: false [2022-11-18 19:56:31,085 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2022-11-18 19:56:31,085 INFO L899 garLoopResultBuilder]: For program point L527-2(lines 527 534) no Hoare annotation was computed. [2022-11-18 19:56:31,085 INFO L895 garLoopResultBuilder]: At program point L164(lines 160 166) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:56:31,086 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:56:31,086 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:56:31,086 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:56:31,086 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2022-11-18 19:56:31,086 INFO L902 garLoopResultBuilder]: At program point L536(lines 517 539) the Hoare annotation is: true [2022-11-18 19:56:31,086 INFO L899 garLoopResultBuilder]: For program point L408-1(lines 408 414) no Hoare annotation was computed. [2022-11-18 19:56:31,086 INFO L895 garLoopResultBuilder]: At program point L433(lines 388 435) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 19:56:31,087 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 19:56:31,087 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:56:31,087 INFO L895 garLoopResultBuilder]: At program point L504(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:56:31,087 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 430) no Hoare annotation was computed. [2022-11-18 19:56:31,087 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 418 431) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 19:56:31,087 INFO L899 garLoopResultBuilder]: For program point L389(lines 388 435) no Hoare annotation was computed. [2022-11-18 19:56:31,088 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 431) no Hoare annotation was computed. [2022-11-18 19:56:31,088 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 19:56:31,088 INFO L902 garLoopResultBuilder]: At program point L439(lines 378 443) the Hoare annotation is: true [2022-11-18 19:56:31,088 INFO L895 garLoopResultBuilder]: At program point L373(lines 368 375) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 19:56:31,088 INFO L895 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:56:31,088 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2022-11-18 19:56:31,089 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-11-18 19:56:31,089 INFO L895 garLoopResultBuilder]: At program point L171(lines 167 173) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:56:31,089 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2022-11-18 19:56:31,089 INFO L902 garLoopResultBuilder]: At program point L514(lines 507 516) the Hoare annotation is: true [2022-11-18 19:56:31,089 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-11-18 19:56:31,089 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-11-18 19:56:31,090 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2022-11-18 19:56:31,090 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 226 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,090 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,090 INFO L895 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,090 INFO L895 garLoopResultBuilder]: At program point L364(lines 349 367) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,092 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,099 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2022-11-18 19:56:31,099 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 247) no Hoare annotation was computed. [2022-11-18 19:56:31,099 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2022-11-18 19:56:31,100 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2022-11-18 19:56:31,100 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 226 250) no Hoare annotation was computed. [2022-11-18 19:56:31,101 INFO L895 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-18 19:56:31,101 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2022-11-18 19:56:31,107 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 19:56:31,109 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:56:31,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:56:31 BoogieIcfgContainer [2022-11-18 19:56:31,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:56:31,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:56:31,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:56:31,143 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:56:31,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:28" (3/4) ... [2022-11-18 19:56:31,146 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:56:31,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-18 19:56:31,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 19:56:31,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 19:56:31,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 19:56:31,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 19:56:31,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 19:56:31,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 19:56:31,177 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-18 19:56:31,178 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 19:56:31,178 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 19:56:31,179 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:56:31,179 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:56:31,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-18 19:56:31,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) [2022-11-18 19:56:31,205 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)) [2022-11-18 19:56:31,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-18 19:56:31,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-11-18 19:56:31,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-18 19:56:31,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-18 19:56:31,206 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)) [2022-11-18 19:56:31,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-18 19:56:31,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-18 19:56:31,243 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:56:31,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:56:31,244 INFO L158 Benchmark]: Toolchain (without parser) took 3989.32ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 76.2MB in the end (delta: 26.1MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-11-18 19:56:31,244 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:56:31,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.14ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 110.7MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:56:31,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.72ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:56:31,245 INFO L158 Benchmark]: Boogie Preprocessor took 52.55ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:56:31,246 INFO L158 Benchmark]: RCFGBuilder took 434.85ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 91.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 19:56:31,246 INFO L158 Benchmark]: TraceAbstraction took 2862.26ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 81.3MB in the end (delta: 8.9MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2022-11-18 19:56:31,246 INFO L158 Benchmark]: Witness Printer took 101.24ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 76.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:56:31,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.14ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 110.7MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.72ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.55ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.85ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 91.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2862.26ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 81.3MB in the end (delta: 8.9MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Witness Printer took 101.24ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 76.2MB in the end (delta: 5.1MB). 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: 545]: 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 8 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 770 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 398 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 372 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 303 NumberOfFragments, 379 HoareAnnotationTreeSize, 279 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 611 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 223 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: 550]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: 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: 174]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) - 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: 293]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-11-18 19:56:31,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971b2345-2c50-48c8-aca3-881e0856979a/bin/uautomizer-TMbwUNV5ro/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