./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:44:56,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:44:56,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:44:56,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:44:56,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:44:56,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:44:56,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:44:56,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:44:56,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:44:56,635 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:44:56,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:44:56,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:44:56,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:44:56,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:44:56,638 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:44:56,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:44:56,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:44:56,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:44:56,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:44:56,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:44:56,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:44:56,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:44:56,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:44:56,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:44:56,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:44:56,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:44:56,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:44:56,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:44:56,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:44:56,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:44:56,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:44:56,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:44:56,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:44:56,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:44:56,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:44:56,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:44:56,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:44:56,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:44:56,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:44:56,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:44:56,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:44:56,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:44:56,650 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2023-11-29 01:44:56,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:44:56,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:44:56,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:44:56,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:44:56,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:44:56,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2023-11-29 01:44:59,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:44:59,824 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:44:59,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2023-11-29 01:44:59,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/data/fbb1f759e/e83cd9bad1104e49aae710a391af5178/FLAGc9926f53b [2023-11-29 01:44:59,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/data/fbb1f759e/e83cd9bad1104e49aae710a391af5178 [2023-11-29 01:44:59,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:44:59,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:44:59,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:44:59,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:44:59,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:44:59,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:44:59" (1/1) ... [2023-11-29 01:44:59,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75955004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:44:59, skipping insertion in model container [2023-11-29 01:44:59,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:44:59" (1/1) ... [2023-11-29 01:44:59,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:45:00,076 WARN L240 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_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2023-11-29 01:45:00,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:45:00,152 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:45:00,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-29 01:45:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2023-11-29 01:45:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] [2023-11-29 01:45:00,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] [2023-11-29 01:45:00,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] [2023-11-29 01:45:00,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] [2023-11-29 01:45:00,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] [2023-11-29 01:45:00,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] [2023-11-29 01:45:00,180 WARN L240 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_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2023-11-29 01:45:00,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:45:00,235 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:45:00,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00 WrapperNode [2023-11-29 01:45:00,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:45:00,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:45:00,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:45:00,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:45:00,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,277 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 159 [2023-11-29 01:45:00,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:45:00,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:45:00,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:45:00,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:45:00,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,304 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 01:45:00,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:45:00,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:45:00,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:45:00,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:45:00,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (1/1) ... [2023-11-29 01:45:00,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:45:00,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:45:00,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:45:00,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:45:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:45:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 01:45:00,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 01:45:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 01:45:00,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 01:45:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 01:45:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 01:45:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-29 01:45:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-29 01:45:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 01:45:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 01:45:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 01:45:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 01:45:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:45:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 01:45:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 01:45:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:45:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:45:00,446 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:45:00,449 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:45:00,638 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:45:00,699 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:45:00,699 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 01:45:00,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:45:00 BoogieIcfgContainer [2023-11-29 01:45:00,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:45:00,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:45:00,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:45:00,706 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:45:00,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:44:59" (1/3) ... [2023-11-29 01:45:00,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ee3171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:45:00, skipping insertion in model container [2023-11-29 01:45:00,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:45:00" (2/3) ... [2023-11-29 01:45:00,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ee3171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:45:00, skipping insertion in model container [2023-11-29 01:45:00,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:45:00" (3/3) ... [2023-11-29 01:45:00,709 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2023-11-29 01:45:00,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:45:00,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:45:00,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:45:00,769 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=LoopHeads, 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;@727dddc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:45:00,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:45:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 01:45:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 01:45:00,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:45:00,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:45:00,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:45:00,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:45:00,785 INFO L85 PathProgramCache]: Analyzing trace with hash 342430063, now seen corresponding path program 1 times [2023-11-29 01:45:00,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:45:00,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958740449] [2023-11-29 01:45:00,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:45:00,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:45:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 01:45:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:45:01,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:45:01,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958740449] [2023-11-29 01:45:01,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958740449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:45:01,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:45:01,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:45:01,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520471151] [2023-11-29 01:45:01,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:45:01,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:45:01,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:45:01,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:45:01,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:45:01,041 INFO L87 Difference]: Start difference. First operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-29 01:45:01,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:45:01,093 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2023-11-29 01:45:01,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:45:01,096 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 17 [2023-11-29 01:45:01,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:45:01,104 INFO L225 Difference]: With dead ends: 124 [2023-11-29 01:45:01,104 INFO L226 Difference]: Without dead ends: 58 [2023-11-29 01:45:01,107 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 [2023-11-29 01:45:01,111 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:45:01,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:45:01,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-29 01:45:01,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-29 01:45:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 01:45:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2023-11-29 01:45:01,153 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 17 [2023-11-29 01:45:01,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:45:01,153 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2023-11-29 01:45:01,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-29 01:45:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-11-29 01:45:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 01:45:01,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:45:01,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:45:01,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:45:01,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:45:01,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:45:01,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2089489039, now seen corresponding path program 1 times [2023-11-29 01:45:01,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:45:01,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036296002] [2023-11-29 01:45:01,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:45:01,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:45:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:45:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:45:01,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:45:01,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036296002] [2023-11-29 01:45:01,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036296002] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:45:01,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:45:01,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:45:01,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833258229] [2023-11-29 01:45:01,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:45:01,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:45:01,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:45:01,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:45:01,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:45:01,260 INFO L87 Difference]: Start difference. First operand 58 states and 78 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-29 01:45:01,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:45:01,289 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2023-11-29 01:45:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:45:01,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2023-11-29 01:45:01,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:45:01,291 INFO L225 Difference]: With dead ends: 86 [2023-11-29 01:45:01,291 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 01:45:01,292 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 [2023-11-29 01:45:01,294 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 14 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:45:01,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 99 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:45:01,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 01:45:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 01:45:01,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 40 states have internal predecessors, (49), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 01:45:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-11-29 01:45:01,304 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 18 [2023-11-29 01:45:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:45:01,304 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-11-29 01:45:01,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-29 01:45:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-11-29 01:45:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 01:45:01,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:45:01,306 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] [2023-11-29 01:45:01,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:45:01,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:45:01,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:45:01,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1815896199, now seen corresponding path program 1 times [2023-11-29 01:45:01,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:45:01,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512407354] [2023-11-29 01:45:01,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:45:01,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:45:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 01:45:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:45:01,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:45:01,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512407354] [2023-11-29 01:45:01,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512407354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:45:01,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:45:01,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:45:01,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723117882] [2023-11-29 01:45:01,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:45:01,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:45:01,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:45:01,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:45:01,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:45:01,392 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-29 01:45:01,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:45:01,441 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-11-29 01:45:01,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:45:01,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21 [2023-11-29 01:45:01,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:45:01,444 INFO L225 Difference]: With dead ends: 146 [2023-11-29 01:45:01,445 INFO L226 Difference]: Without dead ends: 98 [2023-11-29 01:45:01,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:45:01,447 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 54 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:45:01,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 125 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:45:01,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-29 01:45:01,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2023-11-29 01:45:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.453125) internal successors, (93), 75 states have internal predecessors, (93), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 01:45:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2023-11-29 01:45:01,470 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 21 [2023-11-29 01:45:01,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:45:01,470 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2023-11-29 01:45:01,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-29 01:45:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2023-11-29 01:45:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 01:45:01,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:45:01,472 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] [2023-11-29 01:45:01,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:45:01,473 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:45:01,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:45:01,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1892207038, now seen corresponding path program 1 times [2023-11-29 01:45:01,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:45:01,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125520334] [2023-11-29 01:45:01,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:45:01,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:45:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 01:45:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:45:01,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:45:01,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125520334] [2023-11-29 01:45:01,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125520334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:45:01,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:45:01,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:45:01,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245169204] [2023-11-29 01:45:01,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:45:01,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:45:01,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:45:01,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:45:01,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:45:01,557 INFO L87 Difference]: Start difference. First operand 95 states and 129 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 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) [2023-11-29 01:45:01,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:45:01,606 INFO L93 Difference]: Finished difference Result 188 states and 260 transitions. [2023-11-29 01:45:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:45:01,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 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 24 [2023-11-29 01:45:01,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:45:01,610 INFO L225 Difference]: With dead ends: 188 [2023-11-29 01:45:01,610 INFO L226 Difference]: Without dead ends: 186 [2023-11-29 01:45:01,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:45:01,612 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 43 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:45:01,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 111 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:45:01,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-29 01:45:01,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2023-11-29 01:45:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 125 states have (on average 1.448) internal successors, (181), 146 states have internal predecessors, (181), 36 states have call successors, (36), 24 states have call predecessors, (36), 24 states have return successors, (40), 26 states have call predecessors, (40), 36 states have call successors, (40) [2023-11-29 01:45:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 257 transitions. [2023-11-29 01:45:01,642 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 257 transitions. Word has length 24 [2023-11-29 01:45:01,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:45:01,643 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 257 transitions. [2023-11-29 01:45:01,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 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) [2023-11-29 01:45:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 257 transitions. [2023-11-29 01:45:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 01:45:01,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:45:01,646 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:45:01,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:45:01,647 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:45:01,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:45:01,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1256222874, now seen corresponding path program 1 times [2023-11-29 01:45:01,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:45:01,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033354985] [2023-11-29 01:45:01,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:45:01,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:45:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:45:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 01:45:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 01:45:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:45:01,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:45:01,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033354985] [2023-11-29 01:45:01,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033354985] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:45:01,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591791440] [2023-11-29 01:45:01,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:45:01,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:45:01,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:45:01,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:45:01,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:45:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:45:01,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:45:01,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:45:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:45:02,010 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:45:02,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591791440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:45:02,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:45:02,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-11-29 01:45:02,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282070360] [2023-11-29 01:45:02,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:45:02,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:45:02,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:45:02,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:45:02,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:45:02,013 INFO L87 Difference]: Start difference. First operand 186 states and 257 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:45:02,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:45:02,058 INFO L93 Difference]: Finished difference Result 257 states and 355 transitions. [2023-11-29 01:45:02,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:45:02,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2023-11-29 01:45:02,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:45:02,059 INFO L225 Difference]: With dead ends: 257 [2023-11-29 01:45:02,059 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 01:45:02,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:45:02,063 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 38 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:45:02,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 67 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:45:02,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 01:45:02,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 01:45:02,064 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) [2023-11-29 01:45:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:45:02,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2023-11-29 01:45:02,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:45:02,065 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:45:02,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:45:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:45:02,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 01:45:02,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:45:02,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:45:02,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:45:02,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 01:45:02,483 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2023-11-29 01:45:02,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 211 218) the Hoare annotation is: true [2023-11-29 01:45:02,483 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 170 176) no Hoare annotation was computed. [2023-11-29 01:45:02,483 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 170 176) the Hoare annotation is: true [2023-11-29 01:45:02,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: true [2023-11-29 01:45:02,484 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2023-11-29 01:45:02,484 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2023-11-29 01:45:02,484 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2023-11-29 01:45:02,484 INFO L899 garLoopResultBuilder]: For program point L798(lines 773 802) no Hoare annotation was computed. [2023-11-29 01:45:02,484 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-11-29 01:45:02,484 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2023-11-29 01:45:02,484 INFO L902 garLoopResultBuilder]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2023-11-29 01:45:02,484 INFO L902 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2023-11-29 01:45:02,485 INFO L902 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: true [2023-11-29 01:45:02,485 INFO L899 garLoopResultBuilder]: For program point L779-1(line 779) no Hoare annotation was computed. [2023-11-29 01:45:02,485 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 773 802) the Hoare annotation is: true [2023-11-29 01:45:02,485 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-11-29 01:45:02,485 INFO L895 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-11-29 01:45:02,486 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-11-29 01:45:02,486 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2023-11-29 01:45:02,486 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 901) no Hoare annotation was computed. [2023-11-29 01:45:02,486 INFO L899 garLoopResultBuilder]: For program point L887(lines 887 904) no Hoare annotation was computed. [2023-11-29 01:45:02,486 INFO L899 garLoopResultBuilder]: For program point L887-1(lines 879 907) no Hoare annotation was computed. [2023-11-29 01:45:02,486 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2023-11-29 01:45:02,487 INFO L899 garLoopResultBuilder]: For program point L62-2(lines 58 69) no Hoare annotation was computed. [2023-11-29 01:45:02,487 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 157 163) no Hoare annotation was computed. [2023-11-29 01:45:02,487 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 898) no Hoare annotation was computed. [2023-11-29 01:45:02,487 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 194) no Hoare annotation was computed. [2023-11-29 01:45:02,487 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 199) no Hoare annotation was computed. [2023-11-29 01:45:02,487 INFO L899 garLoopResultBuilder]: For program point L401(line 401) no Hoare annotation was computed. [2023-11-29 01:45:02,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 146 169) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-11-29 01:45:02,488 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-11-29 01:45:02,488 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2023-11-29 01:45:02,488 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 149 168) no Hoare annotation was computed. [2023-11-29 01:45:02,488 INFO L895 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-11-29 01:45:02,488 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2023-11-29 01:45:02,488 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 169) no Hoare annotation was computed. [2023-11-29 01:45:02,488 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2023-11-29 01:45:02,489 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 94 102) the Hoare annotation is: true [2023-11-29 01:45:02,489 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2023-11-29 01:45:02,489 INFO L899 garLoopResultBuilder]: For program point L353(lines 292 357) no Hoare annotation was computed. [2023-11-29 01:45:02,489 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2023-11-29 01:45:02,489 INFO L899 garLoopResultBuilder]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2023-11-29 01:45:02,489 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 285) no Hoare annotation was computed. [2023-11-29 01:45:02,489 INFO L899 garLoopResultBuilder]: For program point L279-1(lines 279 285) no Hoare annotation was computed. [2023-11-29 01:45:02,489 INFO L895 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2023-11-29 01:45:02,490 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2023-11-29 01:45:02,490 INFO L895 garLoopResultBuilder]: At program point L338-2(lines 332 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 01:45:02,490 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2023-11-29 01:45:02,490 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2023-11-29 01:45:02,490 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:45:02,490 INFO L895 garLoopResultBuilder]: At program point L347(lines 302 349) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 01:45:02,490 INFO L895 garLoopResultBuilder]: At program point L314(line 314) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 01:45:02,491 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: false [2023-11-29 01:45:02,491 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:45:02,491 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 863) no Hoare annotation was computed. [2023-11-29 01:45:02,491 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 863) no Hoare annotation was computed. [2023-11-29 01:45:02,491 INFO L899 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2023-11-29 01:45:02,491 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2023-11-29 01:45:02,491 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 01:45:02,492 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2023-11-29 01:45:02,492 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: true [2023-11-29 01:45:02,492 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2023-11-29 01:45:02,494 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 01:45:02,496 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:45:02,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:45:02 BoogieIcfgContainer [2023-11-29 01:45:02,507 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:45:02,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:45:02,508 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:45:02,508 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:45:02,508 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:45:00" (3/4) ... [2023-11-29 01:45:02,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:45:02,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 01:45:02,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 01:45:02,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 01:45:02,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 01:45:02,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 01:45:02,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-29 01:45:02,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 01:45:02,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-29 01:45:02,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 01:45:02,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 01:45:02,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:45:02,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:45:02,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:45:02,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:45:02,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:45:02,615 INFO L158 Benchmark]: Toolchain (without parser) took 2760.33ms. Allocated memory is still 169.9MB. Free memory was 130.6MB in the beginning and 102.8MB in the end (delta: 27.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-29 01:45:02,615 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:45:02,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.56ms. Allocated memory is still 169.9MB. Free memory was 130.6MB in the beginning and 111.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 01:45:02,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.26ms. Allocated memory is still 169.9MB. Free memory was 111.6MB in the beginning and 109.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:45:02,616 INFO L158 Benchmark]: Boogie Preprocessor took 41.96ms. Allocated memory is still 169.9MB. Free memory was 109.6MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:45:02,616 INFO L158 Benchmark]: RCFGBuilder took 379.29ms. Allocated memory is still 169.9MB. Free memory was 107.5MB in the beginning and 87.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 01:45:02,617 INFO L158 Benchmark]: TraceAbstraction took 1804.35ms. Allocated memory is still 169.9MB. Free memory was 87.2MB in the beginning and 109.1MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:45:02,617 INFO L158 Benchmark]: Witness Printer took 106.52ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 102.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:45:02,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.56ms. Allocated memory is still 169.9MB. Free memory was 130.6MB in the beginning and 111.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.26ms. Allocated memory is still 169.9MB. Free memory was 111.6MB in the beginning and 109.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.96ms. Allocated memory is still 169.9MB. Free memory was 109.6MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.29ms. Allocated memory is still 169.9MB. Free memory was 107.5MB in the beginning and 87.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1804.35ms. Allocated memory is still 169.9MB. Free memory was 87.2MB in the beginning and 109.1MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.52ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 102.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] - GenericResultAtLocation [Line: 396]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] * 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: 401]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 474 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 290 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 147 PreInvPairs, 159 NumberOfFragments, 126 HoareAnnotationTreeSize, 147 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 326 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 2 NumberOfNonLiveVariables, 216 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 35/36 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: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-29 01:45:02,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14c15ae-9e93-4c42-8bd3-e4953ebd636b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE