./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product56.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_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/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_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/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_111ff134-718a-41c7-aac6-423a1320dae1/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 c0bb085f1a2e359e53f6064743019c071065ce678b1651991605b55849e9a12f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:11:57,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:11:57,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:11:57,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:11:57,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:11:58,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:11:58,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:11:58,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:11:58,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:11:58,023 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:11:58,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:11:58,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:11:58,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:11:58,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:11:58,029 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:11:58,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:11:58,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:11:58,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:11:58,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:11:58,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:11:58,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:11:58,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:11:58,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:11:58,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:11:58,033 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:11:58,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:11:58,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:11:58,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:11:58,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:11:58,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:11:58,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:11:58,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:11:58,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:11:58,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:11:58,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:11:58,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:11:58,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:11:58,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:11:58,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:11:58,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:11:58,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:11:58,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:11:58,041 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_111ff134-718a-41c7-aac6-423a1320dae1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0bb085f1a2e359e53f6064743019c071065ce678b1651991605b55849e9a12f [2024-11-08 19:11:58,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:11:58,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:11:58,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:11:58,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:11:58,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:11:58,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c Unable to find full path for "g++" [2024-11-08 19:12:00,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:12:00,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:12:00,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c [2024-11-08 19:12:00,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/data/2cd48571a/10501e84c80645a5862ccb055d3ce761/FLAG88b088512 [2024-11-08 19:12:01,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/data/2cd48571a/10501e84c80645a5862ccb055d3ce761 [2024-11-08 19:12:01,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:12:01,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:12:01,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:12:01,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:12:01,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:12:01,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162a84e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01, skipping insertion in model container [2024-11-08 19:12:01,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:12:01,482 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_111ff134-718a-41c7-aac6-423a1320dae1/sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c[19275,19288] [2024-11-08 19:12:01,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:12:01,509 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:12:01,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-08 19:12:01,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2024-11-08 19:12:01,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] [2024-11-08 19:12:01,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554] [2024-11-08 19:12:01,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2024-11-08 19:12:01,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] [2024-11-08 19:12:01,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949] [2024-11-08 19:12:01,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1018] [2024-11-08 19:12:01,620 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_111ff134-718a-41c7-aac6-423a1320dae1/sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c[19275,19288] [2024-11-08 19:12:01,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:12:01,650 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:12:01,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01 WrapperNode [2024-11-08 19:12:01,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:12:01,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:12:01,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:12:01,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:12:01,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,723 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 235 [2024-11-08 19:12:01,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:12:01,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:12:01,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:12:01,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:12:01,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,759 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 19:12:01,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:12:01,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:12:01,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:12:01,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:12:01,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (1/1) ... [2024-11-08 19:12:01,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:12:01,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:12:01,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:12:01,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:12:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:12:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 19:12:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 19:12:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 19:12:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 19:12:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 19:12:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 19:12:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 19:12:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 19:12:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-08 19:12:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-08 19:12:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 19:12:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 19:12:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-08 19:12:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-08 19:12:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 19:12:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 19:12:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:12:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 19:12:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 19:12:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:12:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:12:01,940 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:12:01,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:12:02,250 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-08 19:12:02,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:12:02,264 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:12:02,265 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:12:02,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:12:02 BoogieIcfgContainer [2024-11-08 19:12:02,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:12:02,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:12:02,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:12:02,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:12:02,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:12:01" (1/3) ... [2024-11-08 19:12:02,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400e595d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:12:02, skipping insertion in model container [2024-11-08 19:12:02,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:12:01" (2/3) ... [2024-11-08 19:12:02,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400e595d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:12:02, skipping insertion in model container [2024-11-08 19:12:02,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:12:02" (3/3) ... [2024-11-08 19:12:02,300 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56.cil.c [2024-11-08 19:12:02,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:12:02,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:12:02,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:12:02,440 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;@7e4a94a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:12:02,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:12:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 19:12:02,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:12:02,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:02,455 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] [2024-11-08 19:12:02,456 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:02,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:02,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1516220944, now seen corresponding path program 1 times [2024-11-08 19:12:02,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:12:02,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584513275] [2024-11-08 19:12:02,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:02,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:12:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 19:12:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:02,748 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 19:12:02,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:12:02,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584513275] [2024-11-08 19:12:02,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584513275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:02,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:02,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:12:02,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389766571] [2024-11-08 19:12:02,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:02,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:12:02,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:12:02,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:12:02,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:12:02,797 INFO L87 Difference]: Start difference. First operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 19:12:02,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:02,833 INFO L93 Difference]: Finished difference Result 206 states and 281 transitions. [2024-11-08 19:12:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:12:02,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2024-11-08 19:12:02,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:02,843 INFO L225 Difference]: With dead ends: 206 [2024-11-08 19:12:02,844 INFO L226 Difference]: Without dead ends: 98 [2024-11-08 19:12:02,847 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 19:12:02,850 INFO L432 NwaCegarLoop]: 137 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, 137 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 19:12:02,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:12:02,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-08 19:12:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-08 19:12:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 82 states have internal predecessors, (95), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 19:12:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 128 transitions. [2024-11-08 19:12:02,906 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 128 transitions. Word has length 25 [2024-11-08 19:12:02,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:02,907 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 128 transitions. [2024-11-08 19:12:02,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 19:12:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2024-11-08 19:12:02,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 19:12:02,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:02,913 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] [2024-11-08 19:12:02,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:12:02,916 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:02,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:02,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2047069499, now seen corresponding path program 1 times [2024-11-08 19:12:02,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:12:02,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018112215] [2024-11-08 19:12:02,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:02,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:12:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:03,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 19:12:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:03,068 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 19:12:03,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:12:03,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018112215] [2024-11-08 19:12:03,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018112215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:03,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:03,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:12:03,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291888178] [2024-11-08 19:12:03,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:03,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:12:03,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:12:03,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:12:03,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:12:03,073 INFO L87 Difference]: Start difference. First operand 98 states and 128 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 19:12:03,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:03,099 INFO L93 Difference]: Finished difference Result 157 states and 205 transitions. [2024-11-08 19:12:03,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:12:03,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2024-11-08 19:12:03,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:03,102 INFO L225 Difference]: With dead ends: 157 [2024-11-08 19:12:03,102 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 19:12:03,103 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 19:12:03,105 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 17 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 208 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 19:12:03,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:12:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 19:12:03,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-08 19:12:03,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 76 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 19:12:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2024-11-08 19:12:03,119 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 26 [2024-11-08 19:12:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:03,119 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2024-11-08 19:12:03,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 19:12:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2024-11-08 19:12:03,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:12:03,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:03,121 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] [2024-11-08 19:12:03,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:12:03,122 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:03,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:03,123 INFO L85 PathProgramCache]: Analyzing trace with hash -94362152, now seen corresponding path program 1 times [2024-11-08 19:12:03,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:12:03,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350876579] [2024-11-08 19:12:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:03,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:12:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 19:12:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:03,259 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 19:12:03,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:12:03,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350876579] [2024-11-08 19:12:03,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350876579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:03,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:03,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:12:03,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153167724] [2024-11-08 19:12:03,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:03,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:12:03,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:12:03,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:12:03,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:12:03,266 INFO L87 Difference]: Start difference. First operand 89 states and 116 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:12:03,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:03,340 INFO L93 Difference]: Finished difference Result 251 states and 333 transitions. [2024-11-08 19:12:03,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:12:03,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2024-11-08 19:12:03,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:03,344 INFO L225 Difference]: With dead ends: 251 [2024-11-08 19:12:03,348 INFO L226 Difference]: Without dead ends: 169 [2024-11-08 19:12:03,349 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 19:12:03,350 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 94 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:03,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 236 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:12:03,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-08 19:12:03,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2024-11-08 19:12:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 121 states have (on average 1.3553719008264462) internal successors, (164), 140 states have internal predecessors, (164), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 19:12:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2024-11-08 19:12:03,383 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 31 [2024-11-08 19:12:03,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:03,384 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2024-11-08 19:12:03,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 19:12:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-08 19:12:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 19:12:03,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:03,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:03,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:12:03,387 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:03,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:03,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1637098355, now seen corresponding path program 1 times [2024-11-08 19:12:03,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:12:03,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981451559] [2024-11-08 19:12:03,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:03,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:12:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:03,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:12:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:03,628 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 19:12:03,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:12:03,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981451559] [2024-11-08 19:12:03,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981451559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:03,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:03,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:12:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821362463] [2024-11-08 19:12:03,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:03,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:12:03,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:12:03,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:12:03,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:12:03,639 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:12:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:03,803 INFO L93 Difference]: Finished difference Result 472 states and 649 transitions. [2024-11-08 19:12:03,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:12:03,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-08 19:12:03,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:03,810 INFO L225 Difference]: With dead ends: 472 [2024-11-08 19:12:03,810 INFO L226 Difference]: Without dead ends: 313 [2024-11-08 19:12:03,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:12:03,814 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 78 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:03,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 425 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:12:03,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-08 19:12:03,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2024-11-08 19:12:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 226 states have (on average 1.336283185840708) internal successors, (302), 261 states have internal predecessors, (302), 56 states have call successors, (56), 32 states have call predecessors, (56), 30 states have return successors, (58), 32 states have call predecessors, (58), 56 states have call successors, (58) [2024-11-08 19:12:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 416 transitions. [2024-11-08 19:12:03,867 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 416 transitions. Word has length 34 [2024-11-08 19:12:03,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:03,868 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 416 transitions. [2024-11-08 19:12:03,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:12:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2024-11-08 19:12:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 19:12:03,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:03,872 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] [2024-11-08 19:12:03,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:12:03,873 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:03,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:03,874 INFO L85 PathProgramCache]: Analyzing trace with hash 190452851, now seen corresponding path program 1 times [2024-11-08 19:12:03,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:12:03,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161117268] [2024-11-08 19:12:03,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:12:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:12:03,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:12:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:12:03,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:12:03,953 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:12:03,955 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:12:03,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:12:03,960 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 19:12:04,003 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:12:04,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:12:04 BoogieIcfgContainer [2024-11-08 19:12:04,007 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:12:04,011 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:12:04,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:12:04,015 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:12:04,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:12:02" (3/4) ... [2024-11-08 19:12:04,017 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:12:04,108 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:12:04,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:12:04,112 INFO L158 Benchmark]: Toolchain (without parser) took 3102.83ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 53.5MB in the beginning and 106.4MB in the end (delta: -53.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:12:04,113 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:12:04,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.56ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 53.2MB in the beginning and 95.2MB in the end (delta: -42.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-08 19:12:04,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.20ms. Allocated memory is still 140.5MB. Free memory was 95.2MB in the beginning and 92.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:12:04,115 INFO L158 Benchmark]: Boogie Preprocessor took 51.01ms. Allocated memory is still 140.5MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:12:04,115 INFO L158 Benchmark]: RCFGBuilder took 488.89ms. Allocated memory is still 140.5MB. Free memory was 90.5MB in the beginning and 70.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:12:04,116 INFO L158 Benchmark]: TraceAbstraction took 1739.48ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 70.1MB in the beginning and 110.6MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:12:04,116 INFO L158 Benchmark]: Witness Printer took 100.74ms. Allocated memory is still 169.9MB. Free memory was 110.6MB in the beginning and 106.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:12:04,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.56ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 53.2MB in the beginning and 95.2MB in the end (delta: -42.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.20ms. Allocated memory is still 140.5MB. Free memory was 95.2MB in the beginning and 92.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.01ms. Allocated memory is still 140.5MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.89ms. Allocated memory is still 140.5MB. Free memory was 90.5MB in the beginning and 70.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1739.48ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 70.1MB in the beginning and 110.6MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.74ms. Allocated memory is still 169.9MB. Free memory was 110.6MB in the beginning and 106.4MB in the end (delta: 4.2MB). 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] - GenericResultAtLocation [Line: 949]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949] - GenericResultAtLocation [Line: 1018]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1018] * 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: 1023]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L951] int splverifierCounter ; [L952] int tmp ; [L953] int tmp___0 ; [L954] int tmp___1 ; [L955] int tmp___2 ; [L958] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L960] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L962] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L968] tmp = __VERIFIER_nondet_int() [L970] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L972] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L615] COND TRUE waterLevel < 2 [L616] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L972] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L978] tmp___0 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L988] tmp___2 = __VERIFIER_nondet_int() [L990] COND FALSE !(\read(tmp___2)) [L996] tmp___1 = __VERIFIER_nondet_int() [L998] COND TRUE \read(tmp___1) [L1000] CALL stopSystem() [L930] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L937] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1000] RET stopSystem() [L1007] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L711] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L718] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L726] CALL __utac_acc__Specification3_spec__1() [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L572] CALL, EXPR getWaterLevel() [L668] int retValue_acc ; [L671] retValue_acc = waterLevel [L672] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L572] RET, EXPR getWaterLevel() [L572] tmp___0 = getWaterLevel() [L574] COND TRUE tmp___0 == 2 [L576] CALL, EXPR isPumpRunning() [L844] int retValue_acc ; [L847] retValue_acc = pumpRunning [L848] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L576] RET, EXPR isPumpRunning() [L576] tmp___1 = isPumpRunning() [L578] COND FALSE !(\read(tmp___1)) [L582] CALL __automaton_fail() [L1023] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 193 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 1006 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 513 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 493 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 19:12:04,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111ff134-718a-41c7-aac6-423a1320dae1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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