./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 19:56:35,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:56:35,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:56:35,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:56:35,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:56:35,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:56:35,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:56:35,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:56:35,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:56:35,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:56:35,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:56:35,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:56:35,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:56:35,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:56:35,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:56:35,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:56:35,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:56:35,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:56:35,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:56:35,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:56:35,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:56:35,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:56:35,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:56:35,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:56:35,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:56:35,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:56:35,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:56:35,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:56:35,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:56:35,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:56:35,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:56:35,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:56:35,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:56:35,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:56:35,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:56:35,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:56:35,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:56:35,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:56:35,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:56:35,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:56:35,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:56:35,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:56:35,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:56:35,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:56:35,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:56:35,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:56:35,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:56:35,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:56:35,320 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:56:35,320 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:56:35,321 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:56:35,321 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:56:35,322 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:56:35,322 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:56:35,322 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:56:35,323 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:56:35,323 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:56:35,323 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:56:35,323 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:56:35,323 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:56:35,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:56:35,324 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:56:35,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:56:35,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:56:35,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:56:35,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:56:35,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:56:35,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:56:35,326 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:56:35,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:56:35,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:56:35,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:56:35,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:56:35,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:56:35,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:56:35,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:56:35,328 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:56:35,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:56:35,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:56:35,328 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:56:35,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:56:35,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:56:35,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:56:35,329 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_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2022-11-20 19:56:35,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:56:35,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:56:35,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:56:35,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:56:35,667 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:56:35,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2022-11-20 19:56:38,845 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:56:39,074 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:56:39,075 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2022-11-20 19:56:39,086 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/data/1344172f1/b54c1dcd380b4ef5859722739c3876e9/FLAGb8bbc597e [2022-11-20 19:56:39,101 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/data/1344172f1/b54c1dcd380b4ef5859722739c3876e9 [2022-11-20 19:56:39,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:56:39,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:56:39,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:56:39,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:56:39,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:56:39,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e79b6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39, skipping insertion in model container [2022-11-20 19:56:39,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:56:39,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:56:39,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2022-11-20 19:56:39,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:56:39,469 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:56:39,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2022-11-20 19:56:39,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:56:39,591 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:56:39,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39 WrapperNode [2022-11-20 19:56:39,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:56:39,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:56:39,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:56:39,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:56:39,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,652 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 21, calls inlined = 15, statements flattened = 133 [2022-11-20 19:56:39,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:56:39,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:56:39,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:56:39,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:56:39,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,676 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:56:39,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:56:39,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:56:39,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:56:39,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (1/1) ... [2022-11-20 19:56:39,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:56:39,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:56:39,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:56:39,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:56:39,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 19:56:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 19:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 19:56:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 19:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 19:56:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 19:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 19:56:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 19:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:56:39,842 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:56:39,844 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:56:40,048 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:56:40,280 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:56:40,287 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 19:56:40,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:56:40 BoogieIcfgContainer [2022-11-20 19:56:40,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:56:40,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:56:40,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:56:40,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:56:40,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:56:39" (1/3) ... [2022-11-20 19:56:40,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487f6da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:56:40, skipping insertion in model container [2022-11-20 19:56:40,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:56:39" (2/3) ... [2022-11-20 19:56:40,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487f6da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:56:40, skipping insertion in model container [2022-11-20 19:56:40,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:56:40" (3/3) ... [2022-11-20 19:56:40,300 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2022-11-20 19:56:40,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:56:40,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:56:40,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:56:40,377 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=FINITE_AUTOMATA, 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;@fbd8ebc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:56:40,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:56:40,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 19:56:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 19:56:40,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:56:40,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:56:40,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:56:40,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:56:40,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1326448808, now seen corresponding path program 1 times [2022-11-20 19:56:40,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:56:40,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933142497] [2022-11-20 19:56:40,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:56:40,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:56:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:56:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:56:40,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:56:40,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933142497] [2022-11-20 19:56:40,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933142497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:56:40,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:56:40,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:56:40,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467182227] [2022-11-20 19:56:40,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:56:40,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 19:56:40,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:56:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 19:56:40,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:56:40,649 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-20 19:56:40,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:56:40,743 INFO L93 Difference]: Finished difference Result 68 states and 91 transitions. [2022-11-20 19:56:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 19:56:40,748 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2022-11-20 19:56:40,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:56:40,756 INFO L225 Difference]: With dead ends: 68 [2022-11-20 19:56:40,756 INFO L226 Difference]: Without dead ends: 30 [2022-11-20 19:56:40,759 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 [2022-11-20 19:56:40,762 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:56:40,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:56:40,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-20 19:56:40,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-20 19:56:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 19:56:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-20 19:56:40,806 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 10 [2022-11-20 19:56:40,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:56:40,807 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-20 19:56:40,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-20 19:56:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-20 19:56:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 19:56:40,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:56:40,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:56:40,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:56:40,810 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:56:40,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:56:40,811 INFO L85 PathProgramCache]: Analyzing trace with hash -986522144, now seen corresponding path program 1 times [2022-11-20 19:56:40,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:56:40,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736111233] [2022-11-20 19:56:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:56:40,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:56:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:56:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:56:40,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:56:40,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736111233] [2022-11-20 19:56:40,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736111233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:56:40,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:56:40,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:56:40,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940684382] [2022-11-20 19:56:40,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:56:40,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:56:40,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:56:40,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:56:40,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:56:40,913 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-20 19:56:40,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:56:40,947 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-20 19:56:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:56:40,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2022-11-20 19:56:40,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:56:40,949 INFO L225 Difference]: With dead ends: 37 [2022-11-20 19:56:40,949 INFO L226 Difference]: Without dead ends: 22 [2022-11-20 19:56:40,950 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 [2022-11-20 19:56:40,951 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:56:40,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 23 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:56:40,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-20 19:56:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-20 19:56:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 19:56:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-20 19:56:40,958 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-11-20 19:56:40,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:56:40,959 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-20 19:56:40,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-20 19:56:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-20 19:56:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 19:56:40,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:56:40,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:56:40,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:56:40,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:56:40,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:56:40,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1739153587, now seen corresponding path program 1 times [2022-11-20 19:56:40,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:56:40,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114847470] [2022-11-20 19:56:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:56:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:56:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:56:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:56:41,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:56:41,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114847470] [2022-11-20 19:56:41,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114847470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:56:41,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:56:41,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:56:41,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520760416] [2022-11-20 19:56:41,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:56:41,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:56:41,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:56:41,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:56:41,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:56:41,118 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-20 19:56:41,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:56:41,159 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-20 19:56:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:56:41,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-11-20 19:56:41,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:56:41,160 INFO L225 Difference]: With dead ends: 24 [2022-11-20 19:56:41,160 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 19:56:41,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:56:41,162 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:56:41,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 28 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:56:41,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 19:56:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 19:56:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:56:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 19:56:41,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-20 19:56:41,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:56:41,165 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 19:56:41,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-20 19:56:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 19:56:41,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 19:56:41,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 19:56:41,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 19:56:41,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 19:56:41,232 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 790 801) the Hoare annotation is: true [2022-11-20 19:56:41,233 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 790 801) no Hoare annotation was computed. [2022-11-20 19:56:41,233 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2022-11-20 19:56:41,233 INFO L895 garLoopResultBuilder]: At program point L449(line 449) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-20 19:56:41,233 INFO L902 garLoopResultBuilder]: At program point L61(lines 61 74) the Hoare annotation is: true [2022-11-20 19:56:41,234 INFO L902 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: true [2022-11-20 19:56:41,234 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 567 590) the Hoare annotation is: true [2022-11-20 19:56:41,234 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 567 590) no Hoare annotation was computed. [2022-11-20 19:56:41,234 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2022-11-20 19:56:41,235 INFO L902 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2022-11-20 19:56:41,235 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2022-11-20 19:56:41,235 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-20 19:56:41,235 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2022-11-20 19:56:41,235 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2022-11-20 19:56:41,236 INFO L902 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2022-11-20 19:56:41,236 INFO L902 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2022-11-20 19:56:41,236 INFO L902 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2022-11-20 19:56:41,236 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2022-11-20 19:56:41,237 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:56:41,237 INFO L902 garLoopResultBuilder]: At program point L758(lines 697 762) the Hoare annotation is: true [2022-11-20 19:56:41,237 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 723) no Hoare annotation was computed. [2022-11-20 19:56:41,237 INFO L899 garLoopResultBuilder]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2022-11-20 19:56:41,237 INFO L895 garLoopResultBuilder]: At program point L544(lines 544 551) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-20 19:56:41,238 INFO L902 garLoopResultBuilder]: At program point L544-2(lines 544 551) the Hoare annotation is: true [2022-11-20 19:56:41,238 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 19:56:41,238 INFO L895 garLoopResultBuilder]: At program point L755(lines 706 756) the Hoare annotation is: false [2022-11-20 19:56:41,238 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 19:56:41,239 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2022-11-20 19:56:41,239 INFO L895 garLoopResultBuilder]: At program point L727-1(lines 727 733) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:56:41,239 INFO L895 garLoopResultBuilder]: At program point L752(lines 707 754) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:56:41,240 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:56:41,240 INFO L895 garLoopResultBuilder]: At program point L745-2(lines 737 750) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:56:41,240 INFO L899 garLoopResultBuilder]: For program point L708(lines 707 754) no Hoare annotation was computed. [2022-11-20 19:56:41,240 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 778 789) no Hoare annotation was computed. [2022-11-20 19:56:41,241 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 778 789) the Hoare annotation is: true [2022-11-20 19:56:41,244 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 19:56:41,247 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 19:56:41,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:56:41 BoogieIcfgContainer [2022-11-20 19:56:41,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:56:41,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:56:41,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:56:41,261 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:56:41,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:56:40" (3/4) ... [2022-11-20 19:56:41,265 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:56:41,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 19:56:41,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 19:56:41,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 19:56:41,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 19:56:41,277 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-11-20 19:56:41,277 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 19:56:41,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 19:56:41,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:56:41,279 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:56:41,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:56:41,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:56:41,324 INFO L158 Benchmark]: Toolchain (without parser) took 2218.69ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 56.2MB in the end (delta: 42.2MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2022-11-20 19:56:41,325 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:56:41,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.73ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 80.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 19:56:41,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.53ms. Allocated memory is still 140.5MB. Free memory was 80.2MB in the beginning and 78.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:56:41,326 INFO L158 Benchmark]: Boogie Preprocessor took 26.63ms. Allocated memory is still 140.5MB. Free memory was 78.4MB in the beginning and 77.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:56:41,326 INFO L158 Benchmark]: RCFGBuilder took 610.25ms. Allocated memory is still 140.5MB. Free memory was 77.0MB in the beginning and 111.3MB in the end (delta: -34.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-20 19:56:41,327 INFO L158 Benchmark]: TraceAbstraction took 967.14ms. Allocated memory is still 140.5MB. Free memory was 110.7MB in the beginning and 60.4MB in the end (delta: 50.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 19:56:41,327 INFO L158 Benchmark]: Witness Printer took 63.39ms. Allocated memory is still 140.5MB. Free memory was 60.4MB in the beginning and 56.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 19:56:41,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.73ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 80.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.53ms. Allocated memory is still 140.5MB. Free memory was 80.2MB in the beginning and 78.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.63ms. Allocated memory is still 140.5MB. Free memory was 78.4MB in the beginning and 77.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 610.25ms. Allocated memory is still 140.5MB. Free memory was 77.0MB in the beginning and 111.3MB in the end (delta: -34.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * TraceAbstraction took 967.14ms. Allocated memory is still 140.5MB. Free memory was 110.7MB in the beginning and 60.4MB in the end (delta: 50.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 63.39ms. Allocated memory is still 140.5MB. Free memory was 60.4MB in the beginning and 56.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 449]: 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 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 60 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 48 PreInvPairs, 58 NumberOfFragments, 56 HoareAnnotationTreeSize, 48 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 19:56:41,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5128cf5a-ddc7-4c20-bccf-bc13d7a6ed4e/bin/utaipan-6cKwYrpEi9/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