./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/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_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/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_dc82e5f0-6b4c-467b-981a-7f195bf872a3/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 a933c7098679a6972748d486040a9bdf507acce33a33e1309286157bdff8c762 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:24,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:24,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:02:24,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:24,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:24,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:24,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:24,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:24,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:24,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:24,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:24,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:24,179 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:24,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:24,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:24,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:24,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:24,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:24,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:24,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:24,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:24,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:24,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:24,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:24,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:24,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:24,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:24,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:24,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:24,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:24,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:24,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:24,195 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:24,195 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_dc82e5f0-6b4c-467b-981a-7f195bf872a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a933c7098679a6972748d486040a9bdf507acce33a33e1309286157bdff8c762 [2023-11-19 04:02:24,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:24,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:24,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:24,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:24,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:24,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2023-11-19 04:02:27,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:27,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:27,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2023-11-19 04:02:27,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/data/1fa8f2cee/36eff57757de4d1e817bae88d3fb9517/FLAG067bbbbde [2023-11-19 04:02:27,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/data/1fa8f2cee/36eff57757de4d1e817bae88d3fb9517 [2023-11-19 04:02:27,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:27,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:27,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:27,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:27,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:27,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18885238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27, skipping insertion in model container [2023-11-19 04:02:27,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:28,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:28,426 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_dc82e5f0-6b4c-467b-981a-7f195bf872a3/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c[18260,18273] [2023-11-19 04:02:28,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:28,454 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:28,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 04:02:28,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2023-11-19 04:02:28,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] [2023-11-19 04:02:28,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590] [2023-11-19 04:02:28,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [799] [2023-11-19 04:02:28,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [889] [2023-11-19 04:02:28,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [916] [2023-11-19 04:02:28,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [951] [2023-11-19 04:02:28,592 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_dc82e5f0-6b4c-467b-981a-7f195bf872a3/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c[18260,18273] [2023-11-19 04:02:28,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:28,621 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:28,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28 WrapperNode [2023-11-19 04:02:28,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:28,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:28,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:28,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:28,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,677 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 198 [2023-11-19 04:02:28,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:28,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:28,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:28,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:28,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:28,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:28,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:28,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:28,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:28" (1/1) ... [2023-11-19 04:02:28,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:28,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:28,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 04:02:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 04:02:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 04:02:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 04:02:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 04:02:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 04:02:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 04:02:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 04:02:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 04:02:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 04:02:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 04:02:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 04:02:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 04:02:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 04:02:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:28,891 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:28,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:29,231 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:29,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:29,367 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:02:29,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:29 BoogieIcfgContainer [2023-11-19 04:02:29,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:29,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:29,379 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:29,390 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:29,392 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:29" (1/1) ... [2023-11-19 04:02:29,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2023-11-19 04:02:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2023-11-19 04:02:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:02:29,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:29,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2023-11-19 04:02:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-19 04:02:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:29,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:29,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:29,947 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 04:02:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 62 states and 83 transitions. [2023-11-19 04:02:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2023-11-19 04:02:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:02:29,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:29,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:30,173 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 04:02:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2023-11-19 04:02:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2023-11-19 04:02:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:02:30,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:30,365 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 04:02:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2023-11-19 04:02:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-11-19 04:02:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:02:30,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:30,667 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 04:02:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2023-11-19 04:02:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2023-11-19 04:02:30,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:02:30,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:30,825 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 04:02:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 135 transitions. [2023-11-19 04:02:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 135 transitions. [2023-11-19 04:02:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:02:31,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,424 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 04:02:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2023-11-19 04:02:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2023-11-19 04:02:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:02:31,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,498 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 04:02:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2023-11-19 04:02:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2023-11-19 04:02:31,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:02:31,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,575 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 04:02:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 146 transitions. [2023-11-19 04:02:31,595 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2023-11-19 04:02:31,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:02:31,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,628 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 04:02:31,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2023-11-19 04:02:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2023-11-19 04:02:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:02:31,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,747 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 04:02:31,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 155 transitions. [2023-11-19 04:02:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2023-11-19 04:02:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:02:31,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:31,899 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 04:02:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 158 transitions. [2023-11-19 04:02:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2023-11-19 04:02:32,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:02:32,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:32,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:32,178 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 04:02:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 100 states and 154 transitions. [2023-11-19 04:02:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2023-11-19 04:02:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:02:32,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:32,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:02:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 172 transitions. [2023-11-19 04:02:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 172 transitions. [2023-11-19 04:02:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:02:32,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:32,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:02:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 173 transitions. [2023-11-19 04:02:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 173 transitions. [2023-11-19 04:02:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:02:32,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:02:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 174 transitions. [2023-11-19 04:02:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 174 transitions. [2023-11-19 04:02:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:02:32,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:32,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:02:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 123 states and 203 transitions. [2023-11-19 04:02:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2023-11-19 04:02:33,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:02:33,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:33,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:02:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 124 states and 205 transitions. [2023-11-19 04:02:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 205 transitions. [2023-11-19 04:02:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:02:33,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:33,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:02:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 203 transitions. [2023-11-19 04:02:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 203 transitions. [2023-11-19 04:02:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:02:33,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:33,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:02:33,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 204 transitions. [2023-11-19 04:02:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2023-11-19 04:02:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:02:33,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:33,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:02:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 127 states and 205 transitions. [2023-11-19 04:02:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2023-11-19 04:02:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:02:33,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:33,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 04:02:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 133 states and 214 transitions. [2023-11-19 04:02:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-11-19 04:02:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:02:33,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:33,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:02:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 134 states and 215 transitions. [2023-11-19 04:02:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 215 transitions. [2023-11-19 04:02:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:02:34,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:34,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 04:02:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 135 states and 216 transitions. [2023-11-19 04:02:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 216 transitions. [2023-11-19 04:02:34,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:02:34,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:34,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 04:02:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 56 states and 72 transitions. [2023-11-19 04:02:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-19 04:02:34,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:02:34,384 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-19 04:02:34,397 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:02:34,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,564 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,564 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,565 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,565 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,565 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,565 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,565 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 04:02:34,570 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,570 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,570 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,570 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,570 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,571 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-11-19 04:02:34,572 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,573 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 04:02:34,573 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:34,573 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 04:02:34,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:02:34 ImpRootNode [2023-11-19 04:02:34,574 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:02:34,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:02:34,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:02:34,575 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:02:34,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:29" (3/4) ... [2023-11-19 04:02:34,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:02:34,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 04:02:34,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 04:02:34,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 04:02:34,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 04:02:34,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 04:02:34,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 04:02:34,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 04:02:34,600 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-19 04:02:34,601 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 04:02:34,602 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:02:34,603 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:02:34,603 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:02:34,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) [2023-11-19 04:02:34,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) [2023-11-19 04:02:34,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning)) [2023-11-19 04:02:34,710 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) [2023-11-19 04:02:34,712 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) [2023-11-19 04:02:34,716 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning)) [2023-11-19 04:02:34,773 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:02:34,773 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:02:34,773 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:02:34,774 INFO L158 Benchmark]: Toolchain (without parser) took 6801.12ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 128.6MB in the beginning and 75.3MB in the end (delta: 53.4MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:34,774 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 99.2MB in the end (delta: 23.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:34,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.59ms. Allocated memory is still 176.2MB. Free memory was 128.6MB in the beginning and 109.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:02:34,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.07ms. Allocated memory is still 176.2MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:34,775 INFO L158 Benchmark]: Boogie Preprocessor took 31.50ms. Allocated memory is still 176.2MB. Free memory was 106.9MB in the beginning and 105.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:34,777 INFO L158 Benchmark]: RCFGBuilder took 661.89ms. Allocated memory is still 176.2MB. Free memory was 105.5MB in the beginning and 81.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:34,778 INFO L158 Benchmark]: CodeCheck took 5200.95ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 81.1MB in the beginning and 82.6MB in the end (delta: -1.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-11-19 04:02:34,778 INFO L158 Benchmark]: Witness Printer took 198.27ms. Allocated memory is still 211.8MB. Free memory was 82.6MB in the beginning and 75.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:02:34,780 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 8 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4741 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2232 mSDsluCounter, 5347 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3315 mSDsCounter, 1159 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4396 IncrementalHoareTripleChecker+Invalid, 5555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1159 mSolverCounterUnsat, 2032 mSDtfsCounter, 4396 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6519 GetRequests, 6447 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1634 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 732 NumberOfCodeBlocks, 732 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 707 ConstructedInterpolants, 0 QuantifiedInterpolants, 1627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 21 PerfectInterpolantSequences, 153/170 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 - PositiveResult [Line: 956]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((tmp == systemActive) && (pumpRunning == 0)) && (tmp == 1)) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 99.2MB in the end (delta: 23.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.59ms. Allocated memory is still 176.2MB. Free memory was 128.6MB in the beginning and 109.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.07ms. Allocated memory is still 176.2MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.50ms. Allocated memory is still 176.2MB. Free memory was 106.9MB in the beginning and 105.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 661.89ms. Allocated memory is still 176.2MB. Free memory was 105.5MB in the beginning and 81.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 5200.95ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 81.1MB in the beginning and 82.6MB in the end (delta: -1.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 198.27ms. Allocated memory is still 211.8MB. Free memory was 82.6MB in the beginning and 75.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590] - GenericResultAtLocation [Line: 799]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [799] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [889] - GenericResultAtLocation [Line: 916]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [916] - GenericResultAtLocation [Line: 951]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [951] RESULT: Ultimate proved your program to be correct! [2023-11-19 04:02:34,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc82e5f0-6b4c-467b-981a-7f195bf872a3/bin/ukojak-verify-G8NBE6pJGL/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 Result: TRUE