./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8 --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 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e --- 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-e04fb08 [2022-11-16 11:27:32,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:27:32,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:27:32,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:27:32,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:27:32,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:27:32,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:27:32,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:27:32,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:27:32,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:27:32,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:27:32,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:27:32,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:27:32,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:27:32,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:27:32,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:27:32,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:27:32,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:27:32,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:27:32,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:27:32,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:27:32,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:27:32,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:27:32,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:27:32,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:27:32,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:27:32,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:27:32,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:27:32,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:27:32,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:27:32,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:27:32,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:27:32,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:27:32,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:27:32,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:27:32,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:27:32,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:27:32,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:27:32,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:27:32,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:27:32,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:27:32,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:27:32,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:27:32,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:27:32,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:27:32,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:27:32,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:27:32,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:27:32,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:27:32,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:27:32,357 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:27:32,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:27:32,358 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:27:32,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:27:32,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:27:32,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:27:32,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:27:32,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:27:32,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:27:32,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:27:32,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:27:32,361 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:27:32,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:27:32,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:27:32,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:27:32,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:27:32,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:27:32,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:27:32,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:27:32,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:27:32,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:27:32,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:27:32,365 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:27:32,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:27:32,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:27:32,366 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_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e [2022-11-16 11:27:32,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:27:32,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:27:32,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:27:32,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:27:32,670 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:27:32,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2022-11-16 11:27:32,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/data/481fd8161/f6cf9babbdb54e0fa7154d2a3eedddd9/FLAGd0e817e78 [2022-11-16 11:27:33,349 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:27:33,352 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2022-11-16 11:27:33,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/data/481fd8161/f6cf9babbdb54e0fa7154d2a3eedddd9/FLAGd0e817e78 [2022-11-16 11:27:33,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/data/481fd8161/f6cf9babbdb54e0fa7154d2a3eedddd9 [2022-11-16 11:27:33,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:27:33,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:27:33,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:27:33,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:27:33,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:27:33,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:27:33" (1/1) ... [2022-11-16 11:27:33,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13aa42fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:33, skipping insertion in model container [2022-11-16 11:27:33,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:27:33" (1/1) ... [2022-11-16 11:27:33,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:27:33,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:27:34,110 WARN L229 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_32d06cd4-2df8-4544-b913-4392e5ca8c49/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2022-11-16 11:27:34,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:27:34,138 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:27:34,211 WARN L229 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_32d06cd4-2df8-4544-b913-4392e5ca8c49/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2022-11-16 11:27:34,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:27:34,245 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:27:34,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34 WrapperNode [2022-11-16 11:27:34,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:27:34,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:27:34,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:27:34,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:27:34,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,319 INFO L138 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 225 [2022-11-16 11:27:34,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:27:34,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:27:34,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:27:34,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:27:34,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,378 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:27:34,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:27:34,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:27:34,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:27:34,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (1/1) ... [2022-11-16 11:27:34,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:27:34,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:27:34,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:27:34,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:27:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:27:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:27:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:27:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:27:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:27:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:27:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:27:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:27:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:27:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:27:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:27:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:27:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:27:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:27:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:27:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:27:34,621 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:27:34,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:27:34,911 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:27:34,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:27:34,919 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:27:34,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:27:34 BoogieIcfgContainer [2022-11-16 11:27:34,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:27:34,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:27:34,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:27:34,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:27:34,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:27:33" (1/3) ... [2022-11-16 11:27:34,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7e76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:27:34, skipping insertion in model container [2022-11-16 11:27:34,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:34" (2/3) ... [2022-11-16 11:27:34,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7e76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:27:34, skipping insertion in model container [2022-11-16 11:27:34,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:27:34" (3/3) ... [2022-11-16 11:27:34,946 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2022-11-16 11:27:34,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:27:34,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:27:35,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:27:35,057 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;@258e92b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:27:35,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:27:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 66 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 11:27:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 11:27:35,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:35,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:27:35,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:27:35,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:35,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1506660750, now seen corresponding path program 1 times [2022-11-16 11:27:35,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:35,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833380366] [2022-11-16 11:27:35,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:35,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:35,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833380366] [2022-11-16 11:27:35,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833380366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:35,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:35,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:27:35,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367816098] [2022-11-16 11:27:35,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:35,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:27:35,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:35,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:27:35,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:27:35,419 INFO L87 Difference]: Start difference. First operand has 77 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 66 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) 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) [2022-11-16 11:27:35,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:35,476 INFO L93 Difference]: Finished difference Result 146 states and 199 transitions. [2022-11-16 11:27:35,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:27:35,479 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 [2022-11-16 11:27:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:35,490 INFO L225 Difference]: With dead ends: 146 [2022-11-16 11:27:35,490 INFO L226 Difference]: Without dead ends: 68 [2022-11-16 11:27:35,495 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 [2022-11-16 11:27:35,500 INFO L413 NwaCegarLoop]: 96 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, 96 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 [2022-11-16 11:27:35,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:27:35,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-16 11:27:35,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-16 11:27:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 58 states have internal predecessors, (68), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-16 11:27:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-11-16 11:27:35,558 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 19 [2022-11-16 11:27:35,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:35,559 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-11-16 11:27:35,559 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) [2022-11-16 11:27:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-11-16 11:27:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 11:27:35,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:35,561 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] [2022-11-16 11:27:35,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:27:35,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:27:35,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:35,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1702349577, now seen corresponding path program 1 times [2022-11-16 11:27:35,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:35,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444535717] [2022-11-16 11:27:35,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:35,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:35,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:35,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444535717] [2022-11-16 11:27:35,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444535717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:35,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:35,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:27:35,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668996299] [2022-11-16 11:27:35,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:35,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:27:35,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:35,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:27:35,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:27:35,743 INFO L87 Difference]: Start difference. First operand 68 states and 87 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) [2022-11-16 11:27:35,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:35,777 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2022-11-16 11:27:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:27:35,778 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 [2022-11-16 11:27:35,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:35,779 INFO L225 Difference]: With dead ends: 97 [2022-11-16 11:27:35,780 INFO L226 Difference]: Without dead ends: 59 [2022-11-16 11:27:35,780 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 [2022-11-16 11:27:35,782 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 17 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 126 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 [2022-11-16 11:27:35,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:27:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-16 11:27:35,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-16 11:27:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.326086956521739) internal successors, (61), 52 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 11:27:35,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2022-11-16 11:27:35,794 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 20 [2022-11-16 11:27:35,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:35,794 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2022-11-16 11:27:35,794 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) [2022-11-16 11:27:35,795 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-11-16 11:27:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 11:27:35,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:35,796 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] [2022-11-16 11:27:35,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:27:35,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:27:35,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:35,798 INFO L85 PathProgramCache]: Analyzing trace with hash -992613126, now seen corresponding path program 1 times [2022-11-16 11:27:35,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:35,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988327910] [2022-11-16 11:27:35,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:35,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:36,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:36,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988327910] [2022-11-16 11:27:36,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988327910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:36,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:36,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:27:36,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532988215] [2022-11-16 11:27:36,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:36,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:27:36,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:36,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:27:36,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:27:36,058 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2022-11-16 11:27:36,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:36,308 INFO L93 Difference]: Finished difference Result 215 states and 287 transitions. [2022-11-16 11:27:36,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:27:36,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 [2022-11-16 11:27:36,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:36,315 INFO L225 Difference]: With dead ends: 215 [2022-11-16 11:27:36,315 INFO L226 Difference]: Without dead ends: 163 [2022-11-16 11:27:36,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:27:36,318 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 176 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:27:36,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 420 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:27:36,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-16 11:27:36,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 141. [2022-11-16 11:27:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 122 states have internal predecessors, (148), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (19), 12 states have call predecessors, (19), 18 states have call successors, (19) [2022-11-16 11:27:36,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2022-11-16 11:27:36,366 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 25 [2022-11-16 11:27:36,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:36,366 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2022-11-16 11:27:36,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2022-11-16 11:27:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2022-11-16 11:27:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 11:27:36,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:36,368 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] [2022-11-16 11:27:36,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:27:36,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:27:36,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:36,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2068590127, now seen corresponding path program 1 times [2022-11-16 11:27:36,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:36,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374470883] [2022-11-16 11:27:36,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:36,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:36,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:36,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:36,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374470883] [2022-11-16 11:27:36,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374470883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:36,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:36,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:27:36,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071122829] [2022-11-16 11:27:36,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:36,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:27:36,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:36,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:27:36,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:27:36,719 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 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) [2022-11-16 11:27:36,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:36,991 INFO L93 Difference]: Finished difference Result 527 states and 736 transitions. [2022-11-16 11:27:36,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:27:36,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 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 28 [2022-11-16 11:27:36,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:36,996 INFO L225 Difference]: With dead ends: 527 [2022-11-16 11:27:36,997 INFO L226 Difference]: Without dead ends: 393 [2022-11-16 11:27:36,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:27:37,000 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 188 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:27:37,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 468 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:27:37,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-11-16 11:27:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 378. [2022-11-16 11:27:37,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 287 states have (on average 1.3449477351916377) internal successors, (386), 324 states have internal predecessors, (386), 51 states have call successors, (51), 39 states have call predecessors, (51), 39 states have return successors, (65), 33 states have call predecessors, (65), 51 states have call successors, (65) [2022-11-16 11:27:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 502 transitions. [2022-11-16 11:27:37,101 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 502 transitions. Word has length 28 [2022-11-16 11:27:37,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:37,102 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 502 transitions. [2022-11-16 11:27:37,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 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) [2022-11-16 11:27:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 502 transitions. [2022-11-16 11:27:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 11:27:37,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:37,113 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, 1, 1, 1, 1, 1] [2022-11-16 11:27:37,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:27:37,113 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:27:37,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:37,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1789142954, now seen corresponding path program 1 times [2022-11-16 11:27:37,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:37,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275184642] [2022-11-16 11:27:37,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:37,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:37,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275184642] [2022-11-16 11:27:37,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275184642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:27:37,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:27:37,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:27:37,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501195050] [2022-11-16 11:27:37,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:27:37,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:27:37,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:37,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:27:37,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:27:37,254 INFO L87 Difference]: Start difference. First operand 378 states and 502 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2022-11-16 11:27:37,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:37,304 INFO L93 Difference]: Finished difference Result 656 states and 885 transitions. [2022-11-16 11:27:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:27:37,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 30 [2022-11-16 11:27:37,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:37,310 INFO L225 Difference]: With dead ends: 656 [2022-11-16 11:27:37,313 INFO L226 Difference]: Without dead ends: 285 [2022-11-16 11:27:37,318 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 [2022-11-16 11:27:37,325 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:27:37,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 50 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:27:37,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-11-16 11:27:37,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 279. [2022-11-16 11:27:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 218 states have (on average 1.261467889908257) internal successors, (275), 234 states have internal predecessors, (275), 30 states have call successors, (30), 30 states have call predecessors, (30), 30 states have return successors, (36), 30 states have call predecessors, (36), 30 states have call successors, (36) [2022-11-16 11:27:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 341 transitions. [2022-11-16 11:27:37,391 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 341 transitions. Word has length 30 [2022-11-16 11:27:37,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:37,397 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 341 transitions. [2022-11-16 11:27:37,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2022-11-16 11:27:37,398 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 341 transitions. [2022-11-16 11:27:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-16 11:27:37,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:37,405 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:27:37,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:27:37,406 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:27:37,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:37,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1403719521, now seen corresponding path program 1 times [2022-11-16 11:27:37,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:37,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849922976] [2022-11-16 11:27:37,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:37,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:27:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:27:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:27:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-16 11:27:37,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:37,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849922976] [2022-11-16 11:27:37,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849922976] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:27:37,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676927033] [2022-11-16 11:27:37,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:37,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:27:37,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:27:37,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:27:37,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:27:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:37,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 11:27:37,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:27:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:27:37,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:27:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:27:38,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676927033] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:27:38,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:27:38,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2022-11-16 11:27:38,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230322206] [2022-11-16 11:27:38,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:27:38,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 11:27:38,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:38,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 11:27:38,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:27:38,387 INFO L87 Difference]: Start difference. First operand 279 states and 341 transitions. Second operand has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-16 11:27:38,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:38,705 INFO L93 Difference]: Finished difference Result 377 states and 459 transitions. [2022-11-16 11:27:38,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:27:38,706 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 54 [2022-11-16 11:27:38,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:38,707 INFO L225 Difference]: With dead ends: 377 [2022-11-16 11:27:38,707 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:27:38,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 101 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:27:38,718 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 131 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:27:38,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 410 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:27:38,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:27:38,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:27:38,720 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) [2022-11-16 11:27:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:27:38,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-16 11:27:38,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:38,720 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:27:38,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-16 11:27:38,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:27:38,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:27:38,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:27:38,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 11:27:38,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:27:38,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:27:40,154 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 757 764) the Hoare annotation is: true [2022-11-16 11:27:40,154 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 757 764) no Hoare annotation was computed. [2022-11-16 11:27:40,154 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 757 764) no Hoare annotation was computed. [2022-11-16 11:27:40,154 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2022-11-16 11:27:40,155 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2022-11-16 11:27:40,155 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 121 132) no Hoare annotation was computed. [2022-11-16 11:27:40,155 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 121 132) the Hoare annotation is: true [2022-11-16 11:27:40,155 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 121 132) no Hoare annotation was computed. [2022-11-16 11:27:40,155 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 677) no Hoare annotation was computed. [2022-11-16 11:27:40,155 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 680) no Hoare annotation was computed. [2022-11-16 11:27:40,155 INFO L895 garLoopResultBuilder]: At program point L667-1(lines 659 683) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 0))) (.cse3 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:27:40,156 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 695 714) no Hoare annotation was computed. [2022-11-16 11:27:40,156 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 692 715) no Hoare annotation was computed. [2022-11-16 11:27:40,156 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:27:40,156 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:27:40,156 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:27:40,157 INFO L895 garLoopResultBuilder]: At program point L743-1(lines 724 748) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:27:40,157 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2022-11-16 11:27:40,157 INFO L899 garLoopResultBuilder]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2022-11-16 11:27:40,157 INFO L895 garLoopResultBuilder]: At program point L781(lines 776 784) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:27:40,157 INFO L899 garLoopResultBuilder]: For program point L653(line 653) no Hoare annotation was computed. [2022-11-16 11:27:40,157 INFO L895 garLoopResultBuilder]: At program point L170(lines 165 173) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1))))) [2022-11-16 11:27:40,157 INFO L899 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2022-11-16 11:27:40,157 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2022-11-16 11:27:40,158 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2022-11-16 11:27:40,158 INFO L895 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:27:40,158 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 692 715) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:27:40,158 INFO L895 garLoopResultBuilder]: At program point L654(lines 649 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:27:40,158 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2022-11-16 11:27:40,158 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2022-11-16 11:27:40,158 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-11-16 11:27:40,159 INFO L895 garLoopResultBuilder]: At program point L836(lines 821 839) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:27:40,159 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 97 108) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:27:40,159 INFO L902 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: true [2022-11-16 11:27:40,159 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 186 215) no Hoare annotation was computed. [2022-11-16 11:27:40,159 INFO L899 garLoopResultBuilder]: For program point L192-1(line 192) no Hoare annotation was computed. [2022-11-16 11:27:40,159 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 186 215) the Hoare annotation is: true [2022-11-16 11:27:40,159 INFO L902 garLoopResultBuilder]: At program point L211(lines 186 215) the Hoare annotation is: true [2022-11-16 11:27:40,159 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2022-11-16 11:27:40,160 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 204) no Hoare annotation was computed. [2022-11-16 11:27:40,160 INFO L902 garLoopResultBuilder]: At program point L200-1(lines 200 204) the Hoare annotation is: true [2022-11-16 11:27:40,160 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-11-16 11:27:40,160 INFO L902 garLoopResultBuilder]: At program point L196-2(lines 196 210) the Hoare annotation is: true [2022-11-16 11:27:40,160 INFO L902 garLoopResultBuilder]: At program point L927(lines 864 931) the Hoare annotation is: true [2022-11-16 11:27:40,160 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 900) no Hoare annotation was computed. [2022-11-16 11:27:40,160 INFO L899 garLoopResultBuilder]: For program point L894-1(lines 894 900) no Hoare annotation was computed. [2022-11-16 11:27:40,160 INFO L895 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:27:40,160 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:27:40,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:27:40,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:27:40,161 INFO L895 garLoopResultBuilder]: At program point L924(lines 873 925) the Hoare annotation is: false [2022-11-16 11:27:40,161 INFO L899 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2022-11-16 11:27:40,161 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: false [2022-11-16 11:27:40,161 INFO L895 garLoopResultBuilder]: At program point L912-2(lines 904 919) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:27:40,161 INFO L899 garLoopResultBuilder]: For program point L875(lines 874 923) no Hoare annotation was computed. [2022-11-16 11:27:40,161 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 919) no Hoare annotation was computed. [2022-11-16 11:27:40,162 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:27:40,162 INFO L895 garLoopResultBuilder]: At program point L896(line 896) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:27:40,162 INFO L902 garLoopResultBuilder]: At program point L256(lines 249 258) the Hoare annotation is: true [2022-11-16 11:27:40,162 INFO L895 garLoopResultBuilder]: At program point L921(lines 874 923) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:27:40,162 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2022-11-16 11:27:40,162 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:27:40,162 INFO L899 garLoopResultBuilder]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2022-11-16 11:27:40,162 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 276) no Hoare annotation was computed. [2022-11-16 11:27:40,163 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2022-11-16 11:27:40,163 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:27:40,163 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 276) no Hoare annotation was computed. [2022-11-16 11:27:40,163 INFO L895 garLoopResultBuilder]: At program point L860(lines 855 862) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 .cse2 (= ~waterLevel~0 1)))) [2022-11-16 11:27:40,163 INFO L902 garLoopResultBuilder]: At program point L278(lines 259 281) the Hoare annotation is: true [2022-11-16 11:27:40,163 INFO L895 garLoopResultBuilder]: At program point L245(lines 241 247) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:27:40,163 INFO L895 garLoopResultBuilder]: At program point L852(lines 840 854) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:27:40,164 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2022-11-16 11:27:40,164 INFO L899 garLoopResultBuilder]: For program point L844-1(lines 844 850) no Hoare annotation was computed. [2022-11-16 11:27:40,164 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:27:40,164 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2022-11-16 11:27:40,164 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 109 120) no Hoare annotation was computed. [2022-11-16 11:27:40,164 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 109 120) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-11-16 11:27:40,169 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-16 11:27:40,171 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:27:40,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:27:40 BoogieIcfgContainer [2022-11-16 11:27:40,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:27:40,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:27:40,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:27:40,191 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:27:40,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:27:34" (3/4) ... [2022-11-16 11:27:40,195 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:27:40,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 11:27:40,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 11:27:40,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:27:40,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:27:40,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:27:40,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:27:40,208 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-16 11:27:40,209 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:27:40,209 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:27:40,210 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:27:40,210 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:27:40,210 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:27:40,211 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:27:40,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 11:27:40,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 11:27:40,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) [2022-11-16 11:27:40,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-16 11:27:40,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) [2022-11-16 11:27:40,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) [2022-11-16 11:27:40,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) [2022-11-16 11:27:40,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) [2022-11-16 11:27:40,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-16 11:27:40,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-16 11:27:40,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-16 11:27:40,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-16 11:27:40,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-16 11:27:40,262 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:27:40,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:27:40,263 INFO L158 Benchmark]: Toolchain (without parser) took 6620.96ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 122.3MB in the beginning and 85.2MB in the end (delta: 37.1MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2022-11-16 11:27:40,264 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 161.5MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:27:40,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.72ms. Allocated memory is still 161.5MB. Free memory was 122.3MB in the beginning and 126.2MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:27:40,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.13ms. Allocated memory is still 161.5MB. Free memory was 126.2MB in the beginning and 123.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:27:40,265 INFO L158 Benchmark]: Boogie Preprocessor took 61.99ms. Allocated memory is still 161.5MB. Free memory was 123.3MB in the beginning and 122.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:27:40,266 INFO L158 Benchmark]: RCFGBuilder took 537.92ms. Allocated memory is still 161.5MB. Free memory was 122.0MB in the beginning and 104.4MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:27:40,266 INFO L158 Benchmark]: TraceAbstraction took 5250.73ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 103.7MB in the beginning and 91.5MB in the end (delta: 12.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-16 11:27:40,267 INFO L158 Benchmark]: Witness Printer took 72.10ms. Allocated memory is still 213.9MB. Free memory was 90.5MB in the beginning and 85.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:27:40,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 161.5MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.72ms. Allocated memory is still 161.5MB. Free memory was 122.3MB in the beginning and 126.2MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.13ms. Allocated memory is still 161.5MB. Free memory was 126.2MB in the beginning and 123.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.99ms. Allocated memory is still 161.5MB. Free memory was 123.3MB in the beginning and 122.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.92ms. Allocated memory is still 161.5MB. Free memory was 122.0MB in the beginning and 104.4MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5250.73ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 103.7MB in the beginning and 91.5MB in the end (delta: 12.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 72.10ms. Allocated memory is still 213.9MB. Free memory was 90.5MB in the beginning and 85.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 550 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 546 mSDsluCounter, 1570 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1114 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 414 IncrementalHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 456 mSDtfsCounter, 414 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 110 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=4, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 43 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 486 PreInvPairs, 546 NumberOfFragments, 523 HoareAnnotationTreeSize, 486 FomulaSimplifications, 289 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 2313 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 51/57 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: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:27:40,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32d06cd4-2df8-4544-b913-4392e5ca8c49/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE