./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX --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 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:21:57,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:21:57,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:21:57,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:21:57,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:21:57,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:21:57,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:21:57,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:21:57,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:21:57,583 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:21:57,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:21:57,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:21:57,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:21:57,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:21:57,591 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:21:57,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:21:57,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:21:57,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:21:57,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:21:57,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:21:57,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:21:57,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:21:57,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:21:57,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:21:57,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:21:57,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:21:57,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:21:57,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:21:57,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:21:57,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:21:57,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:21:57,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:21:57,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:57,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:21:57,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:21:57,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:21:57,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:21:57,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:21:57,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:21:57,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:21:57,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:21:57,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:21:57,609 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_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 [2024-11-08 17:21:57,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:21:58,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:21:58,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:21:58,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:21:58,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:21:58,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c Unable to find full path for "g++" [2024-11-08 17:22:00,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:22:00,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:22:00,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2024-11-08 17:22:00,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/data/70e873e19/fdd65da3bd9844e8a9810009316bfa59/FLAGd362d0700 [2024-11-08 17:22:00,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/data/70e873e19/fdd65da3bd9844e8a9810009316bfa59 [2024-11-08 17:22:00,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:22:00,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:22:00,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:22:00,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:22:00,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:22:00,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:22:00" (1/1) ... [2024-11-08 17:22:00,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b39fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:00, skipping insertion in model container [2024-11-08 17:22:00,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:22:00" (1/1) ... [2024-11-08 17:22:00,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:22:01,292 WARN L250 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_b7add968-44ab-4b95-bf82-1c59f0095b9c/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4542,4555] [2024-11-08 17:22:01,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:22:01,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:22:01,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-08 17:22:01,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2024-11-08 17:22:01,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [280] [2024-11-08 17:22:01,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [289] [2024-11-08 17:22:01,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] [2024-11-08 17:22:01,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [408] [2024-11-08 17:22:01,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [434] [2024-11-08 17:22:01,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [800] [2024-11-08 17:22:01,485 WARN L250 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_b7add968-44ab-4b95-bf82-1c59f0095b9c/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4542,4555] [2024-11-08 17:22:01,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:22:01,615 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:22:01,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01 WrapperNode [2024-11-08 17:22:01,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:22:01,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:22:01,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:22:01,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:22:01,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,670 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 136 [2024-11-08 17:22:01,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:22:01,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:22:01,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:22:01,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:22:01,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,710 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]. [2024-11-08 17:22:01,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:22:01,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:22:01,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:22:01,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:22:01,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (1/1) ... [2024-11-08 17:22:01,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:22:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:22:01,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:22:01,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:22:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:22:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 17:22:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 17:22:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 17:22:01,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 17:22:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 17:22:01,822 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 17:22:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 17:22:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 17:22:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:22:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 17:22:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 17:22:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:22:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:22:01,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:22:01,919 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:22:02,242 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 17:22:02,242 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:22:02,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:22:02,256 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:22:02,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:22:02 BoogieIcfgContainer [2024-11-08 17:22:02,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:22:02,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:22:02,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:22:02,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:22:02,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:22:00" (1/3) ... [2024-11-08 17:22:02,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7274dcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:22:02, skipping insertion in model container [2024-11-08 17:22:02,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:01" (2/3) ... [2024-11-08 17:22:02,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7274dcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:22:02, skipping insertion in model container [2024-11-08 17:22:02,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:22:02" (3/3) ... [2024-11-08 17:22:02,265 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2024-11-08 17:22:02,283 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:22:02,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:22:02,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:22:02,375 INFO L333 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, 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;@2656a122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:22:02,375 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:22:02,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-08 17:22:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 17:22:02,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:02,406 INFO L215 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] [2024-11-08 17:22:02,406 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:02,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:02,414 INFO L85 PathProgramCache]: Analyzing trace with hash 906753919, now seen corresponding path program 1 times [2024-11-08 17:22:02,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:22:02,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375572204] [2024-11-08 17:22:02,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:22:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:02,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 17:22:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:22:02,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:22:02,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375572204] [2024-11-08 17:22:02,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375572204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:22:02,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:22:02,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:22:02,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482395921] [2024-11-08 17:22:02,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:02,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:22:02,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:22:02,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:22:02,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:22:02,700 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-11-08 17:22:02,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:02,747 INFO L93 Difference]: Finished difference Result 126 states and 169 transitions. [2024-11-08 17:22:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:22:02,750 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 [2024-11-08 17:22:02,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:02,759 INFO L225 Difference]: With dead ends: 126 [2024-11-08 17:22:02,760 INFO L226 Difference]: Without dead ends: 58 [2024-11-08 17:22:02,764 INFO L431 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 [2024-11-08 17:22:02,768 INFO L432 NwaCegarLoop]: 81 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, 81 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 [2024-11-08 17:22:02,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:22:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-08 17:22:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-08 17:22:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 17:22:02,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-11-08 17:22:02,831 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 23 [2024-11-08 17:22:02,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:02,832 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-11-08 17:22:02,834 INFO L472 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) [2024-11-08 17:22:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-11-08 17:22:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 17:22:02,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:02,836 INFO L215 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] [2024-11-08 17:22:02,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:22:02,837 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:02,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:02,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2002914767, now seen corresponding path program 1 times [2024-11-08 17:22:02,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:22:02,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521548274] [2024-11-08 17:22:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:02,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:22:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 17:22:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:22:03,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:22:03,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521548274] [2024-11-08 17:22:03,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521548274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:22:03,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:22:03,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:22:03,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016276657] [2024-11-08 17:22:03,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:03,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:22:03,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:22:03,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:22:03,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:22:03,024 INFO L87 Difference]: Start difference. First operand 58 states and 72 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) [2024-11-08 17:22:03,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:03,043 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2024-11-08 17:22:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:22:03,044 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 [2024-11-08 17:22:03,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:03,047 INFO L225 Difference]: With dead ends: 77 [2024-11-08 17:22:03,047 INFO L226 Difference]: Without dead ends: 49 [2024-11-08 17:22:03,047 INFO L431 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 [2024-11-08 17:22:03,049 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 96 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 [2024-11-08 17:22:03,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:22:03,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-08 17:22:03,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-08 17:22:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 17:22:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2024-11-08 17:22:03,061 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 24 [2024-11-08 17:22:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:03,061 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2024-11-08 17:22:03,062 INFO L472 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) [2024-11-08 17:22:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2024-11-08 17:22:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 17:22:03,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:03,063 INFO L215 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] [2024-11-08 17:22:03,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:22:03,064 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:03,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:03,065 INFO L85 PathProgramCache]: Analyzing trace with hash 518208460, now seen corresponding path program 1 times [2024-11-08 17:22:03,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:22:03,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505519512] [2024-11-08 17:22:03,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:03,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:22:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:22:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:22:03,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:22:03,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505519512] [2024-11-08 17:22:03,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505519512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:22:03,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:22:03,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:22:03,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664605964] [2024-11-08 17:22:03,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:03,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:22:03,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:22:03,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:22:03,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:22:03,203 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-08 17:22:03,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:03,282 INFO L93 Difference]: Finished difference Result 130 states and 165 transitions. [2024-11-08 17:22:03,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:22:03,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2024-11-08 17:22:03,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:03,285 INFO L225 Difference]: With dead ends: 130 [2024-11-08 17:22:03,286 INFO L226 Difference]: Without dead ends: 88 [2024-11-08 17:22:03,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:22:03,287 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 53 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:22:03,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 216 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:22:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-08 17:22:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2024-11-08 17:22:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-08 17:22:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2024-11-08 17:22:03,303 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 105 transitions. Word has length 29 [2024-11-08 17:22:03,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:03,303 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 105 transitions. [2024-11-08 17:22:03,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-08 17:22:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2024-11-08 17:22:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 17:22:03,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:03,305 INFO L215 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] [2024-11-08 17:22:03,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:22:03,305 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:03,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash -91913864, now seen corresponding path program 1 times [2024-11-08 17:22:03,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:22:03,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158313455] [2024-11-08 17:22:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:03,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:22:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:22:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:22:03,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:22:03,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158313455] [2024-11-08 17:22:03,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158313455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:22:03,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:22:03,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:22:03,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593028152] [2024-11-08 17:22:03,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:03,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:22:03,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:22:03,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:22:03,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:22:03,588 INFO L87 Difference]: Start difference. First operand 83 states and 105 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-08 17:22:03,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:03,710 INFO L93 Difference]: Finished difference Result 229 states and 301 transitions. [2024-11-08 17:22:03,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:22:03,717 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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 30 [2024-11-08 17:22:03,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:03,719 INFO L225 Difference]: With dead ends: 229 [2024-11-08 17:22:03,719 INFO L226 Difference]: Without dead ends: 153 [2024-11-08 17:22:03,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:22:03,725 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 31 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:22:03,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 264 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:22:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-08 17:22:03,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-08 17:22:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.3166666666666667) internal successors, (158), 129 states have internal predecessors, (158), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20) [2024-11-08 17:22:03,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 194 transitions. [2024-11-08 17:22:03,767 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 194 transitions. Word has length 30 [2024-11-08 17:22:03,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:03,767 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 194 transitions. [2024-11-08 17:22:03,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-08 17:22:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 194 transitions. [2024-11-08 17:22:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 17:22:03,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:03,772 INFO L215 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] [2024-11-08 17:22:03,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:22:03,773 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:03,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:03,774 INFO L85 PathProgramCache]: Analyzing trace with hash 789886588, now seen corresponding path program 1 times [2024-11-08 17:22:03,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:22:03,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834564250] [2024-11-08 17:22:03,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:03,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:22:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 17:22:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 17:22:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:22:03,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:22:03,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834564250] [2024-11-08 17:22:03,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834564250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:22:03,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:22:03,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:22:03,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087943975] [2024-11-08 17:22:03,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:03,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:22:03,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:22:03,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:22:03,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:22:03,930 INFO L87 Difference]: Start difference. First operand 153 states and 194 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:22:04,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:04,082 INFO L93 Difference]: Finished difference Result 287 states and 372 transitions. [2024-11-08 17:22:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:22:04,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-08 17:22:04,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:04,084 INFO L225 Difference]: With dead ends: 287 [2024-11-08 17:22:04,084 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:22:04,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:22:04,086 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 42 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:22:04,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 110 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:22:04,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:22:04,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:22:04,088 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) [2024-11-08 17:22:04,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:22:04,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-08 17:22:04,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:04,089 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:22:04,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:22:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:22:04,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:22:04,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:22:04,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:22:04,095 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 17:22:04,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 17:22:04,532 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:22:04,559 WARN L162 FloydHoareUtils]: Requires clause for changeMethaneLevel contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-08 17:22:04,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:22:04 BoogieIcfgContainer [2024-11-08 17:22:04,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:22:04,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:22:04,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:22:04,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:22:04,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:22:02" (3/4) ... [2024-11-08 17:22:04,572 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:22:04,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-08 17:22:04,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-08 17:22:04,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-08 17:22:04,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-08 17:22:04,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-08 17:22:04,586 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 17:22:04,586 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 17:22:04,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 17:22:04,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:22:04,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:22:04,729 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:22:04,729 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:22:04,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:22:04,730 INFO L158 Benchmark]: Toolchain (without parser) took 3823.11ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 132.3MB in the beginning and 166.1MB in the end (delta: -33.8MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2024-11-08 17:22:04,730 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:22:04,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.73ms. Allocated memory is still 163.6MB. Free memory was 132.0MB in the beginning and 110.9MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 17:22:04,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.15ms. Allocated memory is still 163.6MB. Free memory was 110.9MB in the beginning and 109.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:22:04,731 INFO L158 Benchmark]: Boogie Preprocessor took 56.51ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:22:04,732 INFO L158 Benchmark]: RCFGBuilder took 527.98ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 92.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:22:04,732 INFO L158 Benchmark]: TraceAbstraction took 2309.63ms. Allocated memory is still 163.6MB. Free memory was 91.4MB in the beginning and 68.2MB in the end (delta: 23.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-08 17:22:04,733 INFO L158 Benchmark]: Witness Printer took 160.44ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 68.2MB in the beginning and 166.1MB in the end (delta: -97.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-08 17:22:04,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.73ms. Allocated memory is still 163.6MB. Free memory was 132.0MB in the beginning and 110.9MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.15ms. Allocated memory is still 163.6MB. Free memory was 110.9MB in the beginning and 109.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.51ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.98ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 92.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2309.63ms. Allocated memory is still 163.6MB. Free memory was 91.4MB in the beginning and 68.2MB in the end (delta: 23.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 160.44ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 68.2MB in the beginning and 166.1MB in the end (delta: -97.9MB). Peak memory consumption was 8.0MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 280]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [280] - GenericResultAtLocation [Line: 289]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [289] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] - GenericResultAtLocation [Line: 408]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [408] - GenericResultAtLocation [Line: 434]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [434] - GenericResultAtLocation [Line: 800]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [800] * 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: 285]: 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 6 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 767 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 482 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 285 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=4, InterpolantAutomatonStates: 23, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 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: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 65]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 317]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 329]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == methaneLevelCritical)) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 802]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 136]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 305]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 17:22:04,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7add968-44ab-4b95-bf82-1c59f0095b9c/bin/uautomizer-verify-jihMAELWvX/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