./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.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_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/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_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/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_ea4c34f4-3b43-4f65-97df-536e82baab8c/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 b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 --- 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 11:59:03,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:59:03,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:59:03,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:59:03,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:59:03,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:59:03,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:59:03,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:59:03,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:59:03,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:59:03,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:59:03,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:59:03,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:59:03,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:59:03,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:59:03,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:59:03,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:59:03,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:59:03,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:59:03,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:59:03,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:59:03,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:59:03,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:59:03,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:59:03,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:59:03,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:59:03,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:59:03,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:59:03,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:59:03,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:59:03,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:59:03,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:59:03,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:59:03,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:59:03,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:59:03,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:59:03,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:59:03,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:59:03,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:59:03,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:59:03,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:59:03,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:59:03,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:59:03,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:59:03,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:59:03,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:59:03,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:59:03,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:59:03,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:59:03,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:59:03,414 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:59:03,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:59:03,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:59:03,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:59:03,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:59:03,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:59:03,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:59:03,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:59:03,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:59:03,417 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:59:03,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:59:03,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:59:03,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:59:03,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:59:03,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:59:03,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:59:03,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:59:03,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:59:03,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:59:03,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:59:03,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:59:03,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:59:03,421 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:59:03,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:59:03,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:59:03,422 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_ea4c34f4-3b43-4f65-97df-536e82baab8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2022-11-16 11:59:03,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:59:03,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:59:03,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:59:03,820 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:59:03,821 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:59:03,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-11-16 11:59:03,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/data/3bd06671b/d12880f346a74477b374ea5ed0016fd2/FLAG7e63d1985 [2022-11-16 11:59:04,526 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:59:04,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-11-16 11:59:04,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/data/3bd06671b/d12880f346a74477b374ea5ed0016fd2/FLAG7e63d1985 [2022-11-16 11:59:04,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/data/3bd06671b/d12880f346a74477b374ea5ed0016fd2 [2022-11-16 11:59:04,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:59:04,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:59:04,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:04,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:59:04,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:59:04,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:04" (1/1) ... [2022-11-16 11:59:04,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6a47ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:04, skipping insertion in model container [2022-11-16 11:59:04,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:04" (1/1) ... [2022-11-16 11:59:04,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:59:05,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:59:05,250 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_ea4c34f4-3b43-4f65-97df-536e82baab8c/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2022-11-16 11:59:05,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:05,366 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:59:05,394 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_ea4c34f4-3b43-4f65-97df-536e82baab8c/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2022-11-16 11:59:05,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:05,514 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:59:05,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05 WrapperNode [2022-11-16 11:59:05,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:05,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:05,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:59:05,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:59:05,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,588 INFO L138 Inliner]: procedures = 52, calls = 152, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 195 [2022-11-16 11:59:05,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:05,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:59:05,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:59:05,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:59:05,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,633 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:59:05,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:59:05,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:59:05,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:59:05,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (1/1) ... [2022-11-16 11:59:05,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:59:05,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:59:05,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:59:05,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:59:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:59:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 11:59:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 11:59:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:59:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:59:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:59:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:59:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:59:05,735 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:59:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:59:05,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:59:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 11:59:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 11:59:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:59:05,737 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:59:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:59:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:59:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:59:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:59:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:59:05,865 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:59:05,867 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:59:06,260 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:59:06,268 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:59:06,268 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:59:06,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:06 BoogieIcfgContainer [2022-11-16 11:59:06,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:59:06,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:59:06,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:59:06,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:59:06,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:59:04" (1/3) ... [2022-11-16 11:59:06,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc9c3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:06, skipping insertion in model container [2022-11-16 11:59:06,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:05" (2/3) ... [2022-11-16 11:59:06,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc9c3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:06, skipping insertion in model container [2022-11-16 11:59:06,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:06" (3/3) ... [2022-11-16 11:59:06,292 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2022-11-16 11:59:06,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:59:06,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:59:06,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:59:06,412 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;@5ebc890c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:59:06,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:59:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 67 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 11:59:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 11:59:06,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:06,429 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] [2022-11-16 11:59:06,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:06,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2051400657, now seen corresponding path program 1 times [2022-11-16 11:59:06,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:06,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702101876] [2022-11-16 11:59:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:06,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:59:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:06,803 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 11:59:06,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:06,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702101876] [2022-11-16 11:59:06,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702101876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:06,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:06,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:06,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009203101] [2022-11-16 11:59:06,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:06,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:59:06,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:06,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:59:06,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:59:06,856 INFO L87 Difference]: Start difference. First operand has 83 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 67 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:59:06,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:06,916 INFO L93 Difference]: Finished difference Result 158 states and 211 transitions. [2022-11-16 11:59:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:59:06,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-16 11:59:06,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:06,927 INFO L225 Difference]: With dead ends: 158 [2022-11-16 11:59:06,927 INFO L226 Difference]: Without dead ends: 74 [2022-11-16 11:59:06,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:59:06,934 INFO L413 NwaCegarLoop]: 102 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, 102 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 11:59:06,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:59:06,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-16 11:59:06,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-16 11:59:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 59 states have internal predecessors, (68), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 11:59:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2022-11-16 11:59:06,984 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 23 [2022-11-16 11:59:06,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:06,985 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2022-11-16 11:59:06,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:59:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2022-11-16 11:59:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 11:59:06,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:06,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:06,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:59:06,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:06,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:06,989 INFO L85 PathProgramCache]: Analyzing trace with hash -652927410, now seen corresponding path program 1 times [2022-11-16 11:59:06,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:06,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80127506] [2022-11-16 11:59:06,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:06,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:59:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,140 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 11:59:07,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:07,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80127506] [2022-11-16 11:59:07,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80127506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:07,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:07,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:59:07,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363549010] [2022-11-16 11:59:07,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:07,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:07,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:07,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:07,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:07,144 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:59:07,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:07,167 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2022-11-16 11:59:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:07,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-16 11:59:07,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:07,169 INFO L225 Difference]: With dead ends: 110 [2022-11-16 11:59:07,170 INFO L226 Difference]: Without dead ends: 65 [2022-11-16 11:59:07,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:07,176 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 139 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 11:59:07,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:59:07,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-16 11:59:07,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-16 11:59:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.297872340425532) internal successors, (61), 53 states have internal predecessors, (61), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 11:59:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2022-11-16 11:59:07,187 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 24 [2022-11-16 11:59:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:07,188 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2022-11-16 11:59:07,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:59:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-11-16 11:59:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 11:59:07,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:07,189 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 11:59:07,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:59:07,190 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:07,191 INFO L85 PathProgramCache]: Analyzing trace with hash 602617883, now seen corresponding path program 1 times [2022-11-16 11:59:07,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:07,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626166667] [2022-11-16 11:59:07,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:07,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:59:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,363 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 11:59:07,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:07,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626166667] [2022-11-16 11:59:07,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626166667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:07,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:07,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:59:07,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681102213] [2022-11-16 11:59:07,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:07,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:59:07,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:07,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:59:07,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:59:07,367 INFO L87 Difference]: Start difference. First operand 65 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:59:07,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:07,606 INFO L93 Difference]: Finished difference Result 222 states and 284 transitions. [2022-11-16 11:59:07,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:59:07,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-16 11:59:07,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:07,609 INFO L225 Difference]: With dead ends: 222 [2022-11-16 11:59:07,612 INFO L226 Difference]: Without dead ends: 164 [2022-11-16 11:59:07,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:59:07,616 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 169 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:07,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 419 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:59:07,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-16 11:59:07,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2022-11-16 11:59:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 113 states have (on average 1.336283185840708) internal successors, (151), 127 states have internal predecessors, (151), 25 states have call successors, (25), 19 states have call predecessors, (25), 19 states have return successors, (26), 19 states have call predecessors, (26), 25 states have call successors, (26) [2022-11-16 11:59:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 202 transitions. [2022-11-16 11:59:07,648 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 202 transitions. Word has length 28 [2022-11-16 11:59:07,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:07,649 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 202 transitions. [2022-11-16 11:59:07,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:59:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 202 transitions. [2022-11-16 11:59:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 11:59:07,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:07,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:07,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:59:07,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:07,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1489211097, now seen corresponding path program 1 times [2022-11-16 11:59:07,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:07,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222672796] [2022-11-16 11:59:07,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:07,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:59:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:59:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,817 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 11:59:07,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:07,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222672796] [2022-11-16 11:59:07,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222672796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:07,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:07,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:59:07,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400144956] [2022-11-16 11:59:07,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:07,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:59:07,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:07,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:59:07,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:59:07,821 INFO L87 Difference]: Start difference. First operand 158 states and 202 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:59:07,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:07,954 INFO L93 Difference]: Finished difference Result 461 states and 602 transitions. [2022-11-16 11:59:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:59:07,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 11:59:07,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:07,959 INFO L225 Difference]: With dead ends: 461 [2022-11-16 11:59:07,959 INFO L226 Difference]: Without dead ends: 310 [2022-11-16 11:59:07,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:59:07,962 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 54 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:07,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 392 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:59:07,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-11-16 11:59:08,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 301. [2022-11-16 11:59:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 212 states have (on average 1.3160377358490567) internal successors, (279), 239 states have internal predecessors, (279), 50 states have call successors, (50), 38 states have call predecessors, (50), 38 states have return successors, (55), 38 states have call predecessors, (55), 50 states have call successors, (55) [2022-11-16 11:59:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 384 transitions. [2022-11-16 11:59:08,057 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 384 transitions. Word has length 33 [2022-11-16 11:59:08,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:08,057 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 384 transitions. [2022-11-16 11:59:08,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:59:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 384 transitions. [2022-11-16 11:59:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 11:59:08,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:08,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:08,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:59:08,064 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:08,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:08,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1502952701, now seen corresponding path program 1 times [2022-11-16 11:59:08,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:08,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493564193] [2022-11-16 11:59:08,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:08,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:59:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:59:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:59:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,246 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 11:59:08,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:08,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493564193] [2022-11-16 11:59:08,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493564193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:08,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:08,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:59:08,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294241254] [2022-11-16 11:59:08,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:08,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:59:08,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:08,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:59:08,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:59:08,249 INFO L87 Difference]: Start difference. First operand 301 states and 384 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 11:59:08,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:08,421 INFO L93 Difference]: Finished difference Result 526 states and 680 transitions. [2022-11-16 11:59:08,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:59:08,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-11-16 11:59:08,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:08,422 INFO L225 Difference]: With dead ends: 526 [2022-11-16 11:59:08,423 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:59:08,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:59:08,436 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 52 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:08,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 107 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:59:08,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:59:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:59:08,443 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 11:59:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:59:08,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-11-16 11:59:08,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:08,444 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:59:08,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 11:59:08,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:59:08,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:59:08,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:59:08,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:59:08,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:59:09,184 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 398 405) the Hoare annotation is: true [2022-11-16 11:59:09,184 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 398 405) no Hoare annotation was computed. [2022-11-16 11:59:09,184 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 398 405) no Hoare annotation was computed. [2022-11-16 11:59:09,185 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 184 195) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 11:59:09,185 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 184 195) no Hoare annotation was computed. [2022-11-16 11:59:09,185 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 184 195) no Hoare annotation was computed. [2022-11-16 11:59:09,185 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 196 204) the Hoare annotation is: true [2022-11-16 11:59:09,185 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 196 204) no Hoare annotation was computed. [2022-11-16 11:59:09,186 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 196 204) no Hoare annotation was computed. [2022-11-16 11:59:09,186 INFO L899 garLoopResultBuilder]: For program point L320-1(lines 319 338) no Hoare annotation was computed. [2022-11-16 11:59:09,186 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 293) no Hoare annotation was computed. [2022-11-16 11:59:09,186 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 296) no Hoare annotation was computed. [2022-11-16 11:59:09,186 INFO L895 garLoopResultBuilder]: At program point L283-1(lines 275 299) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~1#1| 0) .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0)))) [2022-11-16 11:59:09,187 INFO L895 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:59:09,187 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 316 339) no Hoare annotation was computed. [2022-11-16 11:59:09,187 INFO L895 garLoopResultBuilder]: At program point L358(line 358) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:59:09,187 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2022-11-16 11:59:09,187 INFO L895 garLoopResultBuilder]: At program point L164-2(lines 160 171) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:59:09,187 INFO L895 garLoopResultBuilder]: At program point L354(line 354) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:59:09,188 INFO L899 garLoopResultBuilder]: For program point L354-1(line 354) no Hoare annotation was computed. [2022-11-16 11:59:09,188 INFO L899 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2022-11-16 11:59:09,188 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 11:59:09,188 INFO L895 garLoopResultBuilder]: At program point L367-1(lines 348 372) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 11:59:09,188 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:59:09,188 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2022-11-16 11:59:09,189 INFO L895 garLoopResultBuilder]: At program point L306(lines 301 308) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:59:09,189 INFO L899 garLoopResultBuilder]: For program point L327-1(lines 327 333) no Hoare annotation was computed. [2022-11-16 11:59:09,189 INFO L895 garLoopResultBuilder]: At program point L422(lines 417 425) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-11-16 11:59:09,189 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 364) no Hoare annotation was computed. [2022-11-16 11:59:09,189 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 369) no Hoare annotation was computed. [2022-11-16 11:59:09,190 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 316 339) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:59:09,190 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 316 339) no Hoare annotation was computed. [2022-11-16 11:59:09,190 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2022-11-16 11:59:09,190 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-16 11:59:09,190 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-16 11:59:09,190 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-16 11:59:09,191 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-16 11:59:09,191 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-16 11:59:09,191 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-16 11:59:09,191 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-16 11:59:09,191 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-16 11:59:09,191 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-16 11:59:09,191 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-16 11:59:09,192 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:59:09,192 INFO L902 garLoopResultBuilder]: At program point L539(lines 478 543) the Hoare annotation is: true [2022-11-16 11:59:09,192 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2022-11-16 11:59:09,192 INFO L899 garLoopResultBuilder]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2022-11-16 11:59:09,192 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2022-11-16 11:59:09,192 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:59:09,193 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:59:09,193 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:59:09,193 INFO L895 garLoopResultBuilder]: At program point L474(lines 462 476) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:59:09,193 INFO L895 garLoopResultBuilder]: At program point L536(lines 487 537) the Hoare annotation is: false [2022-11-16 11:59:09,193 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 472) no Hoare annotation was computed. [2022-11-16 11:59:09,193 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 466 472) no Hoare annotation was computed. [2022-11-16 11:59:09,194 INFO L895 garLoopResultBuilder]: At program point L268(lines 263 271) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 11:59:09,194 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-16 11:59:09,194 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 530) no Hoare annotation was computed. [2022-11-16 11:59:09,194 INFO L895 garLoopResultBuilder]: At program point L524-2(lines 518 531) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:59:09,194 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-16 11:59:09,194 INFO L895 garLoopResultBuilder]: At program point L260(lines 256 262) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:59:09,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:59:09,195 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2022-11-16 11:59:09,195 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-16 11:59:09,195 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 508 514) no Hoare annotation was computed. [2022-11-16 11:59:09,195 INFO L895 garLoopResultBuilder]: At program point L533(lines 488 535) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:59:09,195 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-16 11:59:09,196 INFO L895 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:59:09,196 INFO L895 garLoopResultBuilder]: At program point L253(lines 249 255) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:59:09,196 INFO L895 garLoopResultBuilder]: At program point L468(line 468) the Hoare annotation is: false [2022-11-16 11:59:09,196 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 11:59:09,196 INFO L899 garLoopResultBuilder]: For program point L489(lines 488 535) no Hoare annotation was computed. [2022-11-16 11:59:09,197 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2022-11-16 11:59:09,197 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 172 183) no Hoare annotation was computed. [2022-11-16 11:59:09,197 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 172 183) no Hoare annotation was computed. [2022-11-16 11:59:09,197 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 172 183) the Hoare annotation is: true [2022-11-16 11:59:09,197 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 340 346) no Hoare annotation was computed. [2022-11-16 11:59:09,197 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 340 346) the Hoare annotation is: true [2022-11-16 11:59:09,198 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 406 416) the Hoare annotation is: true [2022-11-16 11:59:09,198 INFO L902 garLoopResultBuilder]: At program point L411(line 411) the Hoare annotation is: true [2022-11-16 11:59:09,198 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 406 416) no Hoare annotation was computed. [2022-11-16 11:59:09,198 INFO L899 garLoopResultBuilder]: For program point L411-1(line 411) no Hoare annotation was computed. [2022-11-16 11:59:09,198 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 406 416) no Hoare annotation was computed. [2022-11-16 11:59:09,208 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 11:59:09,210 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:59:09,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:59:09 BoogieIcfgContainer [2022-11-16 11:59:09,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:59:09,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:59:09,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:59:09,239 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:59:09,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:06" (3/4) ... [2022-11-16 11:59:09,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:59:09,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 11:59:09,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:59:09,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 11:59:09,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:59:09,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:59:09,259 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:59:09,259 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:59:09,259 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 11:59:09,271 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-16 11:59:09,272 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:59:09,272 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:59:09,273 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:59:09,273 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:59:09,274 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:59:09,274 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:59:09,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 11:59:09,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 11:59:09,300 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 11:59:09,300 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-16 11:59:09,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2022-11-16 11:59:09,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-11-16 11:59:09,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 11:59:09,343 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:59:09,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:59:09,345 INFO L158 Benchmark]: Toolchain (without parser) took 4423.53ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 89.6MB in the beginning and 55.8MB in the end (delta: 33.8MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-11-16 11:59:09,345 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:09,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.81ms. Allocated memory is still 111.1MB. Free memory was 89.6MB in the beginning and 77.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:59:09,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.66ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:59:09,346 INFO L158 Benchmark]: Boogie Preprocessor took 47.43ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 73.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:09,346 INFO L158 Benchmark]: RCFGBuilder took 644.32ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 56.2MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:59:09,347 INFO L158 Benchmark]: TraceAbstraction took 2954.57ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 55.7MB in the beginning and 61.0MB in the end (delta: -5.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-16 11:59:09,347 INFO L158 Benchmark]: Witness Printer took 105.23ms. Allocated memory is still 134.2MB. Free memory was 61.0MB in the beginning and 55.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:59:09,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.81ms. Allocated memory is still 111.1MB. Free memory was 89.6MB in the beginning and 77.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.66ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.43ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 73.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 644.32ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 56.2MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2954.57ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 55.7MB in the beginning and 61.0MB in the end (delta: -5.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Witness Printer took 105.23ms. Allocated memory is still 134.2MB. Free memory was 61.0MB in the beginning and 55.8MB 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: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 299 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 291 mSDsluCounter, 1159 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 758 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 232 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 401 mSDtfsCounter, 232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 376 PreInvPairs, 442 NumberOfFragments, 213 HoareAnnotationTreeSize, 376 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 37 FomulaSimplificationsInter, 1580 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:59:09,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4c34f4-3b43-4f65-97df-536e82baab8c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE