./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/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_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/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_a326b6e1-8d39-492f-adb9-aeba8b8285bb/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 7291fd5b9449f17989061ec30bdd7b74e8732c40c8095270267a47672f4a66be --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:55:05,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:55:05,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:55:05,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:55:05,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:55:05,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:55:05,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:55:05,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:55:05,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:55:05,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:55:05,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:55:05,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:55:05,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:55:05,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:55:05,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:55:05,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:55:05,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:55:05,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:55:05,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:55:05,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:55:05,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:55:05,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:55:05,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:55:05,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:55:05,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:55:05,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:55:05,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:55:05,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:55:05,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:55:05,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:55:05,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:55:05,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:55:05,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:55:05,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:55:05,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:55:05,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:55:05,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:55:05,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:55:05,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:55:05,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:55:05,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:55:05,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:55:05,684 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_a326b6e1-8d39-492f-adb9-aeba8b8285bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7291fd5b9449f17989061ec30bdd7b74e8732c40c8095270267a47672f4a66be [2024-11-08 18:55:05,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:55:06,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:55:06,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:55:06,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:55:06,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:55:06,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c Unable to find full path for "g++" [2024-11-08 18:55:08,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:55:08,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:55:08,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2024-11-08 18:55:08,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/data/fb4cec474/9da0ae0d41b345b39c3e0fb95fe23688/FLAG09d696be2 [2024-11-08 18:55:08,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/data/fb4cec474/9da0ae0d41b345b39c3e0fb95fe23688 [2024-11-08 18:55:08,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:55:08,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:55:08,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:55:08,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:55:08,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:55:08,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:55:08" (1/1) ... [2024-11-08 18:55:08,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b850f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:08, skipping insertion in model container [2024-11-08 18:55:08,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:55:08" (1/1) ... [2024-11-08 18:55:08,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:55:09,025 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_a326b6e1-8d39-492f-adb9-aeba8b8285bb/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[6254,6267] [2024-11-08 18:55:09,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:55:09,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:55:09,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-11-08 18:55:09,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [78] [2024-11-08 18:55:09,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [188] [2024-11-08 18:55:09,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] [2024-11-08 18:55:09,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [325] [2024-11-08 18:55:09,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [393] [2024-11-08 18:55:09,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [402] [2024-11-08 18:55:09,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [609] [2024-11-08 18:55:09,198 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_a326b6e1-8d39-492f-adb9-aeba8b8285bb/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[6254,6267] [2024-11-08 18:55:09,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:55:09,294 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:55:09,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09 WrapperNode [2024-11-08 18:55:09,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:55:09,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:55:09,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:55:09,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:55:09,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,369 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200 [2024-11-08 18:55:09,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:55:09,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:55:09,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:55:09,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:55:09,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,427 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 18:55:09,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:55:09,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:55:09,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:55:09,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:55:09,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (1/1) ... [2024-11-08 18:55:09,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:55:09,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:55:09,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:55:09,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:55:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:55:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 18:55:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 18:55:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 18:55:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 18:55:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 18:55:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 18:55:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 18:55:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 18:55:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-08 18:55:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-08 18:55:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 18:55:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 18:55:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:55:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 18:55:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 18:55:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:55:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:55:09,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:55:09,634 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:55:09,957 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-08 18:55:09,958 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:55:09,974 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:55:09,975 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:55:09,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:55:09 BoogieIcfgContainer [2024-11-08 18:55:09,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:55:10,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:55:10,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:55:10,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:55:10,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:55:08" (1/3) ... [2024-11-08 18:55:10,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1471d254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:55:10, skipping insertion in model container [2024-11-08 18:55:10,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:55:09" (2/3) ... [2024-11-08 18:55:10,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1471d254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:55:10, skipping insertion in model container [2024-11-08 18:55:10,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:55:09" (3/3) ... [2024-11-08 18:55:10,010 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product50.cil.c [2024-11-08 18:55:10,032 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:55:10,032 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:55:10,102 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:55:10,109 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;@22449bcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:55:10,109 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:55:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 18:55:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 18:55:10,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:10,125 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 18:55:10,126 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:10,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:10,133 INFO L85 PathProgramCache]: Analyzing trace with hash -285866015, now seen corresponding path program 1 times [2024-11-08 18:55:10,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:10,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461807710] [2024-11-08 18:55:10,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:10,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 18:55:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:10,478 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 18:55:10,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:10,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461807710] [2024-11-08 18:55:10,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461807710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:10,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:10,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:55:10,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260997765] [2024-11-08 18:55:10,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:10,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:55:10,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:10,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:55:10,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:55:10,534 INFO L87 Difference]: Start difference. First operand has 87 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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 18:55:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:10,582 INFO L93 Difference]: Finished difference Result 166 states and 225 transitions. [2024-11-08 18:55:10,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:55:10,585 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 18:55:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:10,600 INFO L225 Difference]: With dead ends: 166 [2024-11-08 18:55:10,601 INFO L226 Difference]: Without dead ends: 78 [2024-11-08 18:55:10,605 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 18:55:10,612 INFO L432 NwaCegarLoop]: 109 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, 109 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 18:55:10,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:55:10,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-08 18:55:10,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-08 18:55:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 18:55:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2024-11-08 18:55:10,679 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 23 [2024-11-08 18:55:10,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:10,681 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2024-11-08 18:55:10,681 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 18:55:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2024-11-08 18:55:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 18:55:10,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:10,688 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 18:55:10,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:55:10,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:10,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:10,689 INFO L85 PathProgramCache]: Analyzing trace with hash -776756489, now seen corresponding path program 1 times [2024-11-08 18:55:10,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:10,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703672708] [2024-11-08 18:55:10,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:10,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:10,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 18:55:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:10,885 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 18:55:10,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:10,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703672708] [2024-11-08 18:55:10,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703672708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:10,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:10,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:55:10,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869483247] [2024-11-08 18:55:10,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:10,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:55:10,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:10,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:55:10,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:55:10,893 INFO L87 Difference]: Start difference. First operand 78 states and 100 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 18:55:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:10,925 INFO L93 Difference]: Finished difference Result 121 states and 155 transitions. [2024-11-08 18:55:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:55:10,926 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 18:55:10,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:10,928 INFO L225 Difference]: With dead ends: 121 [2024-11-08 18:55:10,930 INFO L226 Difference]: Without dead ends: 69 [2024-11-08 18:55:10,931 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 18:55:10,932 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 13 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 157 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 18:55:10,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:55:10,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-08 18:55:10,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-08 18:55:10,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 61 states have internal predecessors, (72), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 18:55:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2024-11-08 18:55:10,960 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 24 [2024-11-08 18:55:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:10,960 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2024-11-08 18:55:10,961 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 18:55:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2024-11-08 18:55:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 18:55:10,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:10,962 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 18:55:10,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:55:10,965 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:10,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash -149293059, now seen corresponding path program 1 times [2024-11-08 18:55:10,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:10,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661593089] [2024-11-08 18:55:10,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:10,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:55:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,143 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 18:55:11,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:11,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661593089] [2024-11-08 18:55:11,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661593089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:11,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:11,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:55:11,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645175402] [2024-11-08 18:55:11,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:11,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:55:11,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:11,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:55:11,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:55:11,154 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 18:55:11,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:11,193 INFO L93 Difference]: Finished difference Result 131 states and 170 transitions. [2024-11-08 18:55:11,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:55:11,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 18:55:11,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:11,197 INFO L225 Difference]: With dead ends: 131 [2024-11-08 18:55:11,198 INFO L226 Difference]: Without dead ends: 69 [2024-11-08 18:55:11,199 INFO L431 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 [2024-11-08 18:55:11,201 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:55:11,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 86 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:55:11,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-08 18:55:11,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-08 18:55:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 18:55:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-08 18:55:11,225 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 29 [2024-11-08 18:55:11,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:11,225 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-08 18:55:11,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 18:55:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-08 18:55:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 18:55:11,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:11,231 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, 1, 1, 1, 1, 1] [2024-11-08 18:55:11,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:55:11,232 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:11,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:11,233 INFO L85 PathProgramCache]: Analyzing trace with hash -580177619, now seen corresponding path program 1 times [2024-11-08 18:55:11,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:11,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366751360] [2024-11-08 18:55:11,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:11,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:55:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:55:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 18:55:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,419 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 18:55:11,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:11,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366751360] [2024-11-08 18:55:11,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366751360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:11,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:11,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:55:11,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989728674] [2024-11-08 18:55:11,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:11,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:55:11,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:11,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:55:11,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:55:11,423 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 18:55:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:11,766 INFO L93 Difference]: Finished difference Result 203 states and 256 transitions. [2024-11-08 18:55:11,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:55:11,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (4), 2 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 39 [2024-11-08 18:55:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:11,769 INFO L225 Difference]: With dead ends: 203 [2024-11-08 18:55:11,769 INFO L226 Difference]: Without dead ends: 141 [2024-11-08 18:55:11,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:55:11,775 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 171 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:55:11,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 263 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:55:11,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-08 18:55:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135. [2024-11-08 18:55:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 111 states have internal predecessors, (131), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2024-11-08 18:55:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 164 transitions. [2024-11-08 18:55:11,805 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 164 transitions. Word has length 39 [2024-11-08 18:55:11,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:11,805 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 164 transitions. [2024-11-08 18:55:11,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 18:55:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 164 transitions. [2024-11-08 18:55:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 18:55:11,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:11,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:11,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:55:11,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:11,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:11,809 INFO L85 PathProgramCache]: Analyzing trace with hash -85380906, now seen corresponding path program 1 times [2024-11-08 18:55:11,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:11,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126554817] [2024-11-08 18:55:11,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:11,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:55:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:55:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:11,985 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 18:55:11,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:11,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126554817] [2024-11-08 18:55:11,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126554817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:11,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:11,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:55:11,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882978048] [2024-11-08 18:55:11,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:11,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:55:11,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:11,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:55:11,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:55:11,989 INFO L87 Difference]: Start difference. First operand 135 states and 164 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:55:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:12,278 INFO L93 Difference]: Finished difference Result 353 states and 452 transitions. [2024-11-08 18:55:12,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:55:12,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2024-11-08 18:55:12,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:12,284 INFO L225 Difference]: With dead ends: 353 [2024-11-08 18:55:12,284 INFO L226 Difference]: Without dead ends: 225 [2024-11-08 18:55:12,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:55:12,290 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 121 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:55:12,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 326 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:55:12,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-08 18:55:12,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2024-11-08 18:55:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 169 states have (on average 1.2603550295857988) internal successors, (213), 178 states have internal predecessors, (213), 24 states have call successors, (24), 23 states have call predecessors, (24), 25 states have return successors, (34), 24 states have call predecessors, (34), 24 states have call successors, (34) [2024-11-08 18:55:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 271 transitions. [2024-11-08 18:55:12,352 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 271 transitions. Word has length 43 [2024-11-08 18:55:12,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:12,353 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 271 transitions. [2024-11-08 18:55:12,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:55:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 271 transitions. [2024-11-08 18:55:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 18:55:12,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:12,355 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:12,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:55:12,359 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:12,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:12,360 INFO L85 PathProgramCache]: Analyzing trace with hash 732267544, now seen corresponding path program 1 times [2024-11-08 18:55:12,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:12,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824340548] [2024-11-08 18:55:12,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:12,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:55:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:12,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:55:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:12,518 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 18:55:12,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:12,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824340548] [2024-11-08 18:55:12,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824340548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:12,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:12,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:55:12,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413638946] [2024-11-08 18:55:12,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:12,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:55:12,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:12,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:55:12,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:55:12,525 INFO L87 Difference]: Start difference. First operand 219 states and 271 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:55:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:12,727 INFO L93 Difference]: Finished difference Result 439 states and 550 transitions. [2024-11-08 18:55:12,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:55:12,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2024-11-08 18:55:12,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:12,735 INFO L225 Difference]: With dead ends: 439 [2024-11-08 18:55:12,735 INFO L226 Difference]: Without dead ends: 227 [2024-11-08 18:55:12,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:55:12,738 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 49 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:55:12,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 337 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:55:12,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-08 18:55:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 225. [2024-11-08 18:55:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 175 states have (on average 1.2514285714285713) internal successors, (219), 184 states have internal predecessors, (219), 24 states have call successors, (24), 23 states have call predecessors, (24), 25 states have return successors, (34), 24 states have call predecessors, (34), 24 states have call successors, (34) [2024-11-08 18:55:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 277 transitions. [2024-11-08 18:55:12,789 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 277 transitions. Word has length 43 [2024-11-08 18:55:12,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:12,789 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 277 transitions. [2024-11-08 18:55:12,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:55:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 277 transitions. [2024-11-08 18:55:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 18:55:12,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:12,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:12,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:55:12,795 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:12,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:12,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1261877162, now seen corresponding path program 1 times [2024-11-08 18:55:12,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:12,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836604963] [2024-11-08 18:55:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:12,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:12,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:55:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:12,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 18:55:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:12,921 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 18:55:12,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:12,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836604963] [2024-11-08 18:55:12,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836604963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:12,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:12,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:55:12,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616117404] [2024-11-08 18:55:12,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:12,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:55:12,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:12,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:55:12,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:55:12,931 INFO L87 Difference]: Start difference. First operand 225 states and 277 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:55:13,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:13,131 INFO L93 Difference]: Finished difference Result 407 states and 506 transitions. [2024-11-08 18:55:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:55:13,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2024-11-08 18:55:13,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:13,134 INFO L225 Difference]: With dead ends: 407 [2024-11-08 18:55:13,135 INFO L226 Difference]: Without dead ends: 189 [2024-11-08 18:55:13,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 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 18:55:13,137 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 118 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:55:13,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 214 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:55:13,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-08 18:55:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2024-11-08 18:55:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 145 states have (on average 1.2275862068965517) internal successors, (178), 153 states have internal predecessors, (178), 20 states have call successors, (20), 19 states have call predecessors, (20), 21 states have return successors, (25), 20 states have call predecessors, (25), 20 states have call successors, (25) [2024-11-08 18:55:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 223 transitions. [2024-11-08 18:55:13,159 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 223 transitions. Word has length 43 [2024-11-08 18:55:13,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:13,159 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 223 transitions. [2024-11-08 18:55:13,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 18:55:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 223 transitions. [2024-11-08 18:55:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 18:55:13,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:13,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:13,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:55:13,162 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:13,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:13,163 INFO L85 PathProgramCache]: Analyzing trace with hash 712145701, now seen corresponding path program 1 times [2024-11-08 18:55:13,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:13,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200750026] [2024-11-08 18:55:13,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:13,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:55:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 18:55:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:13,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 18:55:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:13,275 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 18:55:13,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:13,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200750026] [2024-11-08 18:55:13,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200750026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:13,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:13,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:55:13,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914341142] [2024-11-08 18:55:13,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:13,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:55:13,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:13,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:55:13,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:55:13,278 INFO L87 Difference]: Start difference. First operand 187 states and 223 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 18:55:13,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:13,511 INFO L93 Difference]: Finished difference Result 191 states and 225 transitions. [2024-11-08 18:55:13,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:55:13,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2024-11-08 18:55:13,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:13,517 INFO L225 Difference]: With dead ends: 191 [2024-11-08 18:55:13,519 INFO L226 Difference]: Without dead ends: 189 [2024-11-08 18:55:13,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:55:13,520 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 117 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:55:13,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 278 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:55:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-08 18:55:13,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2024-11-08 18:55:13,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 145 states have (on average 1.206896551724138) internal successors, (175), 153 states have internal predecessors, (175), 20 states have call successors, (20), 19 states have call predecessors, (20), 21 states have return successors, (25), 20 states have call predecessors, (25), 20 states have call successors, (25) [2024-11-08 18:55:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 220 transitions. [2024-11-08 18:55:13,541 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 220 transitions. Word has length 45 [2024-11-08 18:55:13,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:13,542 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 220 transitions. [2024-11-08 18:55:13,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 18:55:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 220 transitions. [2024-11-08 18:55:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 18:55:13,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:13,543 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:13,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:55:13,544 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:13,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1479549358, now seen corresponding path program 1 times [2024-11-08 18:55:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:13,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825077116] [2024-11-08 18:55:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:13,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:13,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:55:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:13,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:55:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:13,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:55:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:55:13,728 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 18:55:13,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:55:13,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825077116] [2024-11-08 18:55:13,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825077116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:55:13,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:55:13,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:55:13,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312692738] [2024-11-08 18:55:13,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:55:13,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:55:13,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:55:13,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:55:13,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:55:13,730 INFO L87 Difference]: Start difference. First operand 187 states and 220 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 18:55:14,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:55:14,254 INFO L93 Difference]: Finished difference Result 603 states and 727 transitions. [2024-11-08 18:55:14,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 18:55:14,255 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-08 18:55:14,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:55:14,258 INFO L225 Difference]: With dead ends: 603 [2024-11-08 18:55:14,258 INFO L226 Difference]: Without dead ends: 423 [2024-11-08 18:55:14,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:55:14,259 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 268 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:55:14,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 356 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:55:14,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-08 18:55:14,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 359. [2024-11-08 18:55:14,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 274 states have (on average 1.1824817518248176) internal successors, (324), 291 states have internal predecessors, (324), 40 states have call successors, (40), 38 states have call predecessors, (40), 44 states have return successors, (55), 40 states have call predecessors, (55), 40 states have call successors, (55) [2024-11-08 18:55:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 419 transitions. [2024-11-08 18:55:14,305 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 419 transitions. Word has length 47 [2024-11-08 18:55:14,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:55:14,305 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 419 transitions. [2024-11-08 18:55:14,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 18:55:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 419 transitions. [2024-11-08 18:55:14,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 18:55:14,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:55:14,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:14,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:55:14,307 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:55:14,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:55:14,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1020654422, now seen corresponding path program 1 times [2024-11-08 18:55:14,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:55:14,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279707875] [2024-11-08 18:55:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:55:14,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:55:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:14,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:55:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:55:14,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:55:14,369 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:55:14,370 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:55:14,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:55:14,375 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:55:14,448 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:55:14,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:55:14 BoogieIcfgContainer [2024-11-08 18:55:14,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:55:14,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:55:14,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:55:14,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:55:14,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:55:09" (3/4) ... [2024-11-08 18:55:14,460 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 18:55:14,544 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:55:14,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:55:14,548 INFO L158 Benchmark]: Toolchain (without parser) took 5846.03ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 96.4MB in the beginning and 82.4MB in the end (delta: 14.0MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-11-08 18:55:14,549 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:55:14,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.36ms. Allocated memory is still 134.2MB. Free memory was 96.4MB in the beginning and 74.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 18:55:14,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.75ms. Allocated memory is still 134.2MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:55:14,550 INFO L158 Benchmark]: Boogie Preprocessor took 83.72ms. Allocated memory is still 134.2MB. Free memory was 72.6MB in the beginning and 70.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:55:14,551 INFO L158 Benchmark]: RCFGBuilder took 516.73ms. Allocated memory is still 134.2MB. Free memory was 70.1MB in the beginning and 103.4MB in the end (delta: -33.3MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-08 18:55:14,551 INFO L158 Benchmark]: TraceAbstraction took 4456.40ms. Allocated memory is still 169.9MB. Free memory was 140.9MB in the beginning and 87.6MB in the end (delta: 53.3MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-11-08 18:55:14,552 INFO L158 Benchmark]: Witness Printer took 91.02ms. Allocated memory is still 169.9MB. Free memory was 87.6MB in the beginning and 82.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:55:14,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.36ms. Allocated memory is still 134.2MB. Free memory was 96.4MB in the beginning and 74.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.75ms. Allocated memory is still 134.2MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.72ms. Allocated memory is still 134.2MB. Free memory was 72.6MB in the beginning and 70.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.73ms. Allocated memory is still 134.2MB. Free memory was 70.1MB in the beginning and 103.4MB in the end (delta: -33.3MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4456.40ms. Allocated memory is still 169.9MB. Free memory was 140.9MB in the beginning and 87.6MB in the end (delta: 53.3MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Witness Printer took 91.02ms. Allocated memory is still 169.9MB. Free memory was 87.6MB in the beginning and 82.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [78] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [188] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] - GenericResultAtLocation [Line: 325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [325] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [393] - GenericResultAtLocation [Line: 402]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [402] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [609] * 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 - CounterExampleResult [Line: 398]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L189] int cleanupTimeShifts = 4; [L405] int pumpRunning = 0; [L406] int systemActive = 1; [L779] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L268] int retValue_acc ; [L269] int tmp ; [L273] FCALL select_helpers() [L274] FCALL select_features() [L275] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L275] RET, EXPR valid_product() [L275] tmp = valid_product() [L277] COND TRUE \read(tmp) [L279] FCALL setup() [L280] CALL runTest() [L259] CALL test() [L328] int splverifierCounter ; [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L332] int tmp___2 ; [L335] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L337] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L339] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L345] tmp = __VERIFIER_nondet_int() [L347] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L349] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L349] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L355] tmp___0 = __VERIFIER_nondet_int() [L357] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L359] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L116] COND FALSE !(\read(methaneLevelCritical)) [L119] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L359] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L365] tmp___2 = __VERIFIER_nondet_int() [L367] COND FALSE !(\read(tmp___2)) [L373] tmp___1 = __VERIFIER_nondet_int() [L375] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L382] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L412] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L419] COND TRUE \read(systemActive) [L421] CALL processEnvironment() [L467] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L470] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L485] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L441] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L444] COND TRUE ! pumpRunning [L446] CALL, EXPR isHighWaterLevel() [L564] int retValue_acc ; [L565] int tmp ; [L566] int tmp___0 ; [L570] CALL, EXPR isHighWaterSensorDry() [L166] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L169] COND FALSE !(waterLevel < 2) [L173] retValue_acc = 0 [L174] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L570] RET, EXPR isHighWaterSensorDry() [L570] tmp = isHighWaterSensorDry() [L572] COND FALSE !(\read(tmp)) [L575] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L577] retValue_acc = tmp___0 [L578] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L446] RET, EXPR isHighWaterLevel() [L446] tmp = isHighWaterLevel() [L448] COND TRUE \read(tmp) [L450] CALL activatePump() [L495] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L450] RET activatePump() [L485] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L421] RET processEnvironment() [L427] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L59] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L59] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L59] tmp = isMethaneLevelCritical() [L61] COND TRUE \read(tmp) [L63] CALL, EXPR isPumpRunning() [L519] int retValue_acc ; [L522] retValue_acc = pumpRunning [L523] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L63] RET, EXPR isPumpRunning() [L63] tmp___0 = isPumpRunning() [L65] COND TRUE \read(tmp___0) [L67] CALL __automaton_fail() [L398] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 952 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 925 mSDsluCounter, 2126 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1390 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 826 IncrementalHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 736 mSDtfsCounter, 826 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=359occurred in iteration=9, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 82 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 387 NumberOfCodeBlocks, 387 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-08 18:55:14,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326b6e1-8d39-492f-adb9-aeba8b8285bb/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE