./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a24146f0f51336ad73890bbd928f5403b02b7d1c9a9c70cce136ffcb124619cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:24:08,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:24:08,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:24:08,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:24:08,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:24:09,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:24:09,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:24:09,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:24:09,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:24:09,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:24:09,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:24:09,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:24:09,018 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:24:09,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:24:09,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:24:09,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:24:09,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:24:09,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:24:09,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:24:09,022 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:24:09,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:24:09,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:24:09,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:24:09,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:24:09,025 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:24:09,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:24:09,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:09,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:24:09,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:24:09,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:24:09,027 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:24:09,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:24:09,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:24:09,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a24146f0f51336ad73890bbd928f5403b02b7d1c9a9c70cce136ffcb124619cc [2023-12-02 22:24:09,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:24:09,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:24:09,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:24:09,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:24:09,294 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:24:09,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2023-12-02 22:24:12,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:24:12,264 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:24:12,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2023-12-02 22:24:12,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/data/eb23b73c5/e836536e73b44174a83b59cf2990af11/FLAG8b69198d9 [2023-12-02 22:24:12,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/data/eb23b73c5/e836536e73b44174a83b59cf2990af11 [2023-12-02 22:24:12,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:24:12,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:24:12,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:12,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:24:12,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:24:12,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1629390e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12, skipping insertion in model container [2023-12-02 22:24:12,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,356 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:12,613 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c[16679,16692] [2023-12-02 22:24:12,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:12,640 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:24:12,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-02 22:24:12,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] [2023-12-02 22:24:12,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] [2023-12-02 22:24:12,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [746] [2023-12-02 22:24:12,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [784] [2023-12-02 22:24:12,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [811] [2023-12-02 22:24:12,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [820] [2023-12-02 22:24:12,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916] [2023-12-02 22:24:12,704 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c[16679,16692] [2023-12-02 22:24:12,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:12,731 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:24:12,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12 WrapperNode [2023-12-02 22:24:12,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:12,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:12,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:24:12,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:24:12,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,783 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 224 [2023-12-02 22:24:12,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:12,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:24:12,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:24:12,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:24:12,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:24:12,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:24:12,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:24:12,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:24:12,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:12,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:24:12,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:24:12,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:24:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:24:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-02 22:24:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-02 22:24:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-02 22:24:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-02 22:24:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-02 22:24:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-02 22:24:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-02 22:24:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-02 22:24:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-02 22:24:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-02 22:24:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-02 22:24:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-02 22:24:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-02 22:24:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-12-02 22:24:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-02 22:24:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-02 22:24:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:24:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-02 22:24:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-02 22:24:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:24:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:24:12,968 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:24:12,971 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:24:13,222 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:13,329 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:24:13,330 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:24:13,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:13 BoogieIcfgContainer [2023-12-02 22:24:13,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:24:13,333 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:24:13,333 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:24:13,341 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:24:13,341 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:24:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2023-12-02 22:24:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-12-02 22:24:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:24:13,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:13,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:13,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 73 states and 97 transitions. [2023-12-02 22:24:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-12-02 22:24:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:24:13,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:13,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2023-12-02 22:24:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2023-12-02 22:24:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:24:13,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2023-12-02 22:24:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2023-12-02 22:24:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:24:13,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:13,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2023-12-02 22:24:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2023-12-02 22:24:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:24:14,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:14,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2023-12-02 22:24:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2023-12-02 22:24:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:24:14,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:14,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 88 states and 124 transitions. [2023-12-02 22:24:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2023-12-02 22:24:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:24:14,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:14,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 106 states and 159 transitions. [2023-12-02 22:24:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2023-12-02 22:24:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:24:14,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:14,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2023-12-02 22:24:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2023-12-02 22:24:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:24:14,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:14,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2023-12-02 22:24:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2023-12-02 22:24:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:24:14,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:14,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:14,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 111 states and 168 transitions. [2023-12-02 22:24:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2023-12-02 22:24:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:24:14,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:14,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:24:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 115 states and 177 transitions. [2023-12-02 22:24:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 177 transitions. [2023-12-02 22:24:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 22:24:14,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:14,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:15,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 117 states and 181 transitions. [2023-12-02 22:24:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 181 transitions. [2023-12-02 22:24:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 22:24:15,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:15,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:15,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 220 transitions. [2023-12-02 22:24:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-12-02 22:24:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:24:15,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:15,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:16,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 134 states and 221 transitions. [2023-12-02 22:24:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2023-12-02 22:24:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:24:16,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:16,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:16,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 134 states and 219 transitions. [2023-12-02 22:24:16,226 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 219 transitions. [2023-12-02 22:24:16,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 22:24:16,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:16,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 136 states and 222 transitions. [2023-12-02 22:24:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 222 transitions. [2023-12-02 22:24:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:24:16,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:16,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 154 states and 269 transitions. [2023-12-02 22:24:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 269 transitions. [2023-12-02 22:24:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:24:17,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:17,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 155 states and 270 transitions. [2023-12-02 22:24:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 270 transitions. [2023-12-02 22:24:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:24:18,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:18,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 156 states and 271 transitions. [2023-12-02 22:24:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2023-12-02 22:24:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:24:18,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:18,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:18,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:18,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:18,307 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2023-12-02 22:24:18,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated [2023-12-02 22:24:18,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:24:18 ImpRootNode [2023-12-02 22:24:18,355 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:24:18,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:24:18,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:24:18,355 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:24:18,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:13" (3/4) ... [2023-12-02 22:24:18,357 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 22:24:18,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated [2023-12-02 22:24:18,418 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:24:18,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:24:18,419 INFO L158 Benchmark]: Toolchain (without parser) took 6122.83ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 118.6MB in the beginning and 139.6MB in the end (delta: -21.0MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:18,419 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:18,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.86ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 98.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:24:18,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.69ms. Allocated memory is still 157.3MB. Free memory was 98.7MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:18,420 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 157.3MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:18,421 INFO L158 Benchmark]: RCFGBuilder took 517.12ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 67.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 22:24:18,421 INFO L158 Benchmark]: CodeCheck took 5022.13ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 67.3MB in the beginning and 143.8MB in the end (delta: -76.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:18,422 INFO L158 Benchmark]: Witness Printer took 63.14ms. Allocated memory is still 209.7MB. Free memory was 142.8MB in the beginning and 139.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:24:18,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3536 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1316 mSDsluCounter, 3938 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2186 mSDsCounter, 700 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2784 IncrementalHoareTripleChecker+Invalid, 3484 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 700 mSolverCounterUnsat, 1752 mSDtfsCounter, 2784 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4802 GetRequests, 4692 SyntacticMatches, 14 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3139 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 526 ConstructedInterpolants, 0 QuantifiedInterpolants, 1218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 816]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L821] int cleanupTimeShifts = 4; [L918] int waterLevel = 1; [L919] int methaneLevelCritical = 0; [L894] int retValue_acc ; [L895] int tmp ; [L899] FCALL select_helpers() [L900] FCALL select_features() [L901] CALL, EXPR valid_product() [L776] int retValue_acc ; [L779] retValue_acc = 1 [L780] return (retValue_acc); [L901] RET, EXPR valid_product() [L901] tmp = valid_product() [L903] COND TRUE \read(tmp) [L905] FCALL setup() [L906] CALL runTest() [L888] CALL test() [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L432] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L444] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L936] COND TRUE waterLevel < 2 [L937] waterLevel = waterLevel + 1 [L444] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-1, waterLevel=2] [L454] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L948] COND FALSE !(\read(methaneLevelCritical)) [L951] methaneLevelCritical = 1 [L454] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-1, waterLevel=2] [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND TRUE \read(tmp___2) [L464] CALL startSystem() [L742] systemActive = 1 [L464] RET startSystem() [L479] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L508] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L589] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L592] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L607] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L563] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L566] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L581] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L537] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L540] COND TRUE ! pumpRunning [L542] CALL, EXPR isHighWaterLevel() [L686] int retValue_acc ; [L687] int tmp ; [L688] int tmp___0 ; [L692] CALL, EXPR isHighWaterSensorDry() [L998] int retValue_acc ; [L1001] COND FALSE !(waterLevel < 2) [L1005] retValue_acc = 0 [L1006] return (retValue_acc); [L692] RET, EXPR isHighWaterSensorDry() [L692] tmp = isHighWaterSensorDry() [L694] COND FALSE !(\read(tmp)) [L697] tmp___0 = 1 [L699] retValue_acc = tmp___0 [L700] return (retValue_acc); [L542] RET, EXPR isHighWaterLevel() [L542] tmp = isHighWaterLevel() [L544] COND TRUE \read(tmp) [L546] CALL activatePump() [L617] pumpRunning = 1 [L546] RET activatePump() [L581] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L607] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification1_spec__1() [L787] int tmp ; [L788] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L792] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L957] int retValue_acc ; [L960] retValue_acc = methaneLevelCritical [L961] return (retValue_acc); [L792] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L792] tmp = isMethaneLevelCritical() [L794] COND TRUE \read(tmp) [L796] CALL, EXPR isPumpRunning() [L641] int retValue_acc ; [L644] retValue_acc = pumpRunning [L645] return (retValue_acc); [L796] RET, EXPR isPumpRunning() [L796] tmp___0 = isPumpRunning() [L798] COND TRUE \read(tmp___0) [L800] CALL __automaton_fail() [L816] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.86ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 98.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.69ms. Allocated memory is still 157.3MB. Free memory was 98.7MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 157.3MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.12ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 67.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 5022.13ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 67.3MB in the beginning and 143.8MB in the end (delta: -76.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.14ms. Allocated memory is still 209.7MB. Free memory was 142.8MB in the beginning and 139.6MB in the end (delta: 3.1MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] - GenericResultAtLocation [Line: 746]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [746] - GenericResultAtLocation [Line: 784]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [784] - GenericResultAtLocation [Line: 811]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [811] - GenericResultAtLocation [Line: 820]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [820] - GenericResultAtLocation [Line: 916]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [916] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 22:24:18,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77e8587-0bea-4bf1-810d-7a8aa5d872b6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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