./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL --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 90a76a2882b85be994db917b0e3084e326cc29272a09018948be7f2d57c03e00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:23,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:23,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:23:23,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:23,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:24,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:24,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:24,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:24,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:24,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:24,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:24,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:24,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:24,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:24,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:24,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:24,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:24,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:24,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:24,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:24,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:24,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:24,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:24,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:24,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:24,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:24,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:24,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:24,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:24,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:24,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:24,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:24,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:24,020 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_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90a76a2882b85be994db917b0e3084e326cc29272a09018948be7f2d57c03e00 [2023-11-19 03:23:24,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:24,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:24,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:24,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:24,324 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:24,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2023-11-19 03:23:27,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:27,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:27,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2023-11-19 03:23:28,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/data/0495e131b/6acfb03ca5b1437598cfc372263d0ec5/FLAG6b594877d [2023-11-19 03:23:28,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/data/0495e131b/6acfb03ca5b1437598cfc372263d0ec5 [2023-11-19 03:23:28,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:28,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:28,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:28,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:28,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:28,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0ef3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28, skipping insertion in model container [2023-11-19 03:23:28,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:28,368 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_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c[3816,3829] [2023-11-19 03:23:28,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:28,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:28,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 03:23:28,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [153] [2023-11-19 03:23:28,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [221] [2023-11-19 03:23:28,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [230] [2023-11-19 03:23:28,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [470] [2023-11-19 03:23:28,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [505] [2023-11-19 03:23:28,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [531] [2023-11-19 03:23:28,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [897] [2023-11-19 03:23:28,532 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_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c[3816,3829] [2023-11-19 03:23:28,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:28,618 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:28,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28 WrapperNode [2023-11-19 03:23:28,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:28,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:28,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:28,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:28,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,673 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 219 [2023-11-19 03:23:28,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:28,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:28,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:28,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:28,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:28,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:28,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:28,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:28,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:28" (1/1) ... [2023-11-19 03:23:28,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:28,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:28,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:28,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 03:23:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 03:23:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 03:23:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 03:23:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 03:23:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 03:23:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 03:23:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 03:23:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 03:23:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 03:23:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 03:23:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 03:23:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 03:23:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 03:23:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 03:23:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 03:23:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 03:23:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 03:23:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:28,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:28,910 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:29,257 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:29,458 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:29,458 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:23:29,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:29 BoogieIcfgContainer [2023-11-19 03:23:29,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:29,466 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:29,466 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:29,479 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:29,480 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:29" (1/1) ... [2023-11-19 03:23:29,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 68 states and 90 transitions. [2023-11-19 03:23:29,551 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2023-11-19 03:23:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:29,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:29,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 88 transitions. [2023-11-19 03:23:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-19 03:23:29,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:29,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:29,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2023-11-19 03:23:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-19 03:23:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:29,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:29,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2023-11-19 03:23:30,449 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2023-11-19 03:23:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:23:30,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 93 states and 137 transitions. [2023-11-19 03:23:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2023-11-19 03:23:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:23:31,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:31,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 94 states and 138 transitions. [2023-11-19 03:23:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2023-11-19 03:23:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:23:31,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:31,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 139 transitions. [2023-11-19 03:23:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2023-11-19 03:23:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:23:31,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:31,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 107 states and 161 transitions. [2023-11-19 03:23:31,793 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2023-11-19 03:23:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:23:31,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 166 transitions. [2023-11-19 03:23:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 166 transitions. [2023-11-19 03:23:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:23:32,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:32,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 115 states and 176 transitions. [2023-11-19 03:23:32,666 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 176 transitions. [2023-11-19 03:23:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:23:32,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:32,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:32,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 116 states and 177 transitions. [2023-11-19 03:23:32,777 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 177 transitions. [2023-11-19 03:23:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:23:32,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:32,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 172 transitions. [2023-11-19 03:23:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2023-11-19 03:23:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:23:33,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:33,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 130 states and 207 transitions. [2023-11-19 03:23:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 207 transitions. [2023-11-19 03:23:34,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:23:34,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:34,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 131 states and 208 transitions. [2023-11-19 03:23:35,092 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 208 transitions. [2023-11-19 03:23:35,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:23:35,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:35,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 133 states and 212 transitions. [2023-11-19 03:23:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2023-11-19 03:23:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:23:35,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:35,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 213 transitions. [2023-11-19 03:23:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-19 03:23:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:23:35,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:35,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 211 transitions. [2023-11-19 03:23:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-11-19 03:23:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:23:35,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:35,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 136 states and 211 transitions. [2023-11-19 03:23:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 211 transitions. [2023-11-19 03:23:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:23:36,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:36,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 142 states and 225 transitions. [2023-11-19 03:23:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 225 transitions. [2023-11-19 03:23:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:23:37,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:37,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:37,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:37,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:37,505 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2023-11-19 03:23:37,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 03:23:37,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret24 could not be translated [2023-11-19 03:23:37,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:37 ImpRootNode [2023-11-19 03:23:37,605 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:37,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:37,606 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:37,607 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:37,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:29" (3/4) ... [2023-11-19 03:23:37,608 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:23:37,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 03:23:37,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret24 could not be translated [2023-11-19 03:23:37,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:23:37,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:37,685 INFO L158 Benchmark]: Toolchain (without parser) took 9646.72ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 84.2MB in the beginning and 191.4MB in the end (delta: -107.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:37,686 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:37,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.58ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 84.2MB in the beginning and 167.5MB in the end (delta: -83.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.96ms. Allocated memory is still 201.3MB. Free memory was 167.5MB in the beginning and 165.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,687 INFO L158 Benchmark]: Boogie Preprocessor took 32.22ms. Allocated memory is still 201.3MB. Free memory was 165.2MB in the beginning and 163.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,688 INFO L158 Benchmark]: RCFGBuilder took 757.15ms. Allocated memory is still 201.3MB. Free memory was 163.3MB in the beginning and 134.9MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,688 INFO L158 Benchmark]: CodeCheck took 8139.63ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 134.9MB in the beginning and 195.7MB in the end (delta: -60.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:37,689 INFO L158 Benchmark]: Witness Printer took 78.41ms. Allocated memory is still 243.3MB. Free memory was 195.7MB in the beginning and 191.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:37,691 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, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2956 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1245 mSDsluCounter, 3653 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2170 mSDsCounter, 1213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3845 IncrementalHoareTripleChecker+Invalid, 5058 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1213 mSolverCounterUnsat, 1483 mSDtfsCounter, 3845 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5149 GetRequests, 5020 SyntacticMatches, 5 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5263 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 582 NumberOfCodeBlocks, 582 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 526 ConstructedInterpolants, 0 QuantifiedInterpolants, 1063 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 12/12 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: 226]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L239] int pumpRunning = 0; [L240] int systemActive = 1; [L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L899] int waterLevel = 1; [L900] int methaneLevelCritical = 0; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L497] int retValue_acc ; [L500] retValue_acc = 1 [L501] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L167] COND TRUE splverifierCounter < 4 [L173] tmp = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L177] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L917] COND TRUE waterLevel < 2 [L918] waterLevel = waterLevel + 1 [L177] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L183] tmp___0 = __VERIFIER_nondet_int() [L185] 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] [L187] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L929] COND FALSE !(\read(methaneLevelCritical)) [L932] methaneLevelCritical = 1 [L187] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___2)) [L201] tmp___1 = __VERIFIER_nondet_int() [L203] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L210] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L247] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L254] COND TRUE \read(systemActive) [L256] CALL processEnvironment() [L328] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L331] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L346] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L302] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L305] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L320] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L276] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L279] COND TRUE ! pumpRunning [L281] CALL, EXPR isHighWaterLevel() [L425] int retValue_acc ; [L426] int tmp ; [L427] int tmp___0 ; [L431] CALL, EXPR isHighWaterSensorDry() [L979] int retValue_acc ; [L982] COND FALSE !(waterLevel < 2) [L986] retValue_acc = 0 [L987] return (retValue_acc); [L431] RET, EXPR isHighWaterSensorDry() [L431] tmp = isHighWaterSensorDry() [L433] COND FALSE !(\read(tmp)) [L436] tmp___0 = 1 [L438] retValue_acc = tmp___0 [L439] return (retValue_acc); [L281] RET, EXPR isHighWaterLevel() [L281] tmp = isHighWaterLevel() [L283] COND TRUE \read(tmp) [L285] CALL activatePump() [L356] pumpRunning = 1 [L285] RET activatePump() [L320] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L346] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L256] RET processEnvironment() [L262] CALL __utac_acc__Specification1_spec__1() [L507] int tmp ; [L508] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L512] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L938] int retValue_acc ; [L941] retValue_acc = methaneLevelCritical [L942] return (retValue_acc); [L512] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L512] tmp = isMethaneLevelCritical() [L514] COND TRUE \read(tmp) [L516] CALL, EXPR isPumpRunning() [L380] int retValue_acc ; [L383] retValue_acc = pumpRunning [L384] return (retValue_acc); [L516] RET, EXPR isPumpRunning() [L516] tmp___0 = isPumpRunning() [L518] COND TRUE \read(tmp___0) [L520] CALL __automaton_fail() [L226] 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 0.38ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.58ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 84.2MB in the beginning and 167.5MB in the end (delta: -83.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.96ms. Allocated memory is still 201.3MB. Free memory was 167.5MB in the beginning and 165.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.22ms. Allocated memory is still 201.3MB. Free memory was 165.2MB in the beginning and 163.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 757.15ms. Allocated memory is still 201.3MB. Free memory was 163.3MB in the beginning and 134.9MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 8139.63ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 134.9MB in the beginning and 195.7MB in the end (delta: -60.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 78.41ms. Allocated memory is still 243.3MB. Free memory was 195.7MB in the beginning and 191.4MB 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,"scenario.i","") [153] - GenericResultAtLocation [Line: 221]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [221] - GenericResultAtLocation [Line: 230]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [230] - GenericResultAtLocation [Line: 470]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [470] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [505] - GenericResultAtLocation [Line: 531]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [531] - GenericResultAtLocation [Line: 897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [897] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret24 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret24 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:23:37,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9518e5-d66f-49bc-8a4e-0fbe0d5efcf5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE