./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:32:28,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:32:28,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:32:28,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:32:28,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:32:29,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:32:29,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:32:29,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:32:29,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:32:29,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:32:29,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:32:29,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:32:29,010 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:32:29,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:32:29,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:32:29,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:32:29,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:32:29,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:32:29,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:32:29,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:32:29,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:32:29,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:32:29,015 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:32:29,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:32:29,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:32:29,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:32:29,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:32:29,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:32:29,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:32:29,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:32:29,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:32:29,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:32:29,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:32:29,019 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_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2023-12-03 04:32:29,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:32:29,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:32:29,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:32:29,299 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:32:29,300 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:32:29,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2023-12-03 04:32:32,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:32:32,601 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:32:32,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2023-12-03 04:32:32,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/data/cd7d599cc/f7ae9ac7a3d64495887d5e44c70e4a12/FLAG1fa49ae6c [2023-12-03 04:32:32,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/data/cd7d599cc/f7ae9ac7a3d64495887d5e44c70e4a12 [2023-12-03 04:32:32,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:32:32,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:32:32,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:32:32,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:32:32,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:32:32,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:32:32" (1/1) ... [2023-12-03 04:32:32,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c496a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:32, skipping insertion in model container [2023-12-03 04:32:32,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:32:32" (1/1) ... [2023-12-03 04:32:32,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:32:32,942 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_9960088a-dbb7-4036-8dec-c34f351b81d3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2023-12-03 04:32:33,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:32:33,029 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:32:33,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-03 04:32:33,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2023-12-03 04:32:33,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] [2023-12-03 04:32:33,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] [2023-12-03 04:32:33,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] [2023-12-03 04:32:33,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] [2023-12-03 04:32:33,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] [2023-12-03 04:32:33,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] [2023-12-03 04:32:33,063 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_9960088a-dbb7-4036-8dec-c34f351b81d3/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2023-12-03 04:32:33,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:32:33,128 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:32:33,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33 WrapperNode [2023-12-03 04:32:33,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:32:33,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:32:33,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:32:33,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:32:33,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,189 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 159 [2023-12-03 04:32:33,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:32:33,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:32:33,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:32:33,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:32:33,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:32:33,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:32:33,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:32:33,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:32:33,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:32:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:32:33,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:32:33,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:32:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:32:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-03 04:32:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-03 04:32:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-03 04:32:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-03 04:32:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-03 04:32:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-03 04:32:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-03 04:32:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-03 04:32:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-03 04:32:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-03 04:32:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-03 04:32:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-03 04:32:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:32:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-03 04:32:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-03 04:32:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:32:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:32:33,384 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:32:33,387 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:32:33,627 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:32:33,710 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:32:33,711 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 04:32:33,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:32:33 BoogieIcfgContainer [2023-12-03 04:32:33,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:32:33,713 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:32:33,713 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:32:33,724 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:32:33,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:32:33" (1/1) ... [2023-12-03 04:32:33,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:32:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:33,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2023-12-03 04:32:33,785 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-12-03 04:32:33,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:32:33,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:33,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2023-12-03 04:32:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2023-12-03 04:32:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:32:34,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:34,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2023-12-03 04:32:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-03 04:32:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:32:34,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:34,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:34,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2023-12-03 04:32:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2023-12-03 04:32:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:32:34,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:34,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:34,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2023-12-03 04:32:34,532 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2023-12-03 04:32:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:32:34,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:34,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:34,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2023-12-03 04:32:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-12-03 04:32:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:32:34,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:34,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:34,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:34,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2023-12-03 04:32:34,693 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2023-12-03 04:32:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:32:34,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:34,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2023-12-03 04:32:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2023-12-03 04:32:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:32:35,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 158 transitions. [2023-12-03 04:32:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2023-12-03 04:32:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:32:35,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:35,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 159 transitions. [2023-12-03 04:32:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2023-12-03 04:32:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:32:35,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:35,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 101 states and 160 transitions. [2023-12-03 04:32:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2023-12-03 04:32:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:32:35,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:35,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 110 states and 178 transitions. [2023-12-03 04:32:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 178 transitions. [2023-12-03 04:32:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:32:35,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:35,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 111 states and 179 transitions. [2023-12-03 04:32:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 179 transitions. [2023-12-03 04:32:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:32:35,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:35,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:32:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 180 transitions. [2023-12-03 04:32:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2023-12-03 04:32:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:32:35,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:35,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:32:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 188 transitions. [2023-12-03 04:32:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 188 transitions. [2023-12-03 04:32:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:32:36,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:36,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:32:36,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:36,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2023-12-03 04:32:36,243 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2023-12-03 04:32:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 04:32:36,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:36,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:36,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2023-12-03 04:32:36,384 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2023-12-03 04:32:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:32:36,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:36,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 126 states and 211 transitions. [2023-12-03 04:32:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 211 transitions. [2023-12-03 04:32:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 04:32:36,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:36,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 127 states and 212 transitions. [2023-12-03 04:32:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2023-12-03 04:32:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 04:32:36,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:36,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 128 states and 213 transitions. [2023-12-03 04:32:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 213 transitions. [2023-12-03 04:32:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 04:32:36,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:36,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:36,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2023-12-03 04:32:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2023-12-03 04:32:36,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:32:36,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:36,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:32:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 244 transitions. [2023-12-03 04:32:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2023-12-03 04:32:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:32:37,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:37,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:32:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 141 states and 244 transitions. [2023-12-03 04:32:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2023-12-03 04:32:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:32:37,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:37,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:32:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 142 states and 245 transitions. [2023-12-03 04:32:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 245 transitions. [2023-12-03 04:32:37,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:32:37,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:37,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:32:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 143 states and 246 transitions. [2023-12-03 04:32:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 246 transitions. [2023-12-03 04:32:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 04:32:37,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:37,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:32:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 154 states and 271 transitions. [2023-12-03 04:32:39,356 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2023-12-03 04:32:39,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:32:39,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:39,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:32:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 155 states and 272 transitions. [2023-12-03 04:32:39,496 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 272 transitions. [2023-12-03 04:32:39,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:32:39,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:39,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:32:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 165 states and 297 transitions. [2023-12-03 04:32:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 297 transitions. [2023-12-03 04:32:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:32:41,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:41,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:41,614 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:32:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 166 states and 299 transitions. [2023-12-03 04:32:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 299 transitions. [2023-12-03 04:32:41,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 04:32:41,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:41,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:32:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 169 states and 303 transitions. [2023-12-03 04:32:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 303 transitions. [2023-12-03 04:32:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 04:32:42,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:42,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:32:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 171 states and 324 transitions. [2023-12-03 04:32:42,426 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 324 transitions. [2023-12-03 04:32:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:32:42,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:42,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:32:42,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 179 states and 349 transitions. [2023-12-03 04:32:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 349 transitions. [2023-12-03 04:32:42,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:32:42,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:42,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:32:43,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 181 states and 353 transitions. [2023-12-03 04:32:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 353 transitions. [2023-12-03 04:32:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:32:43,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:43,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:32:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 182 states and 344 transitions. [2023-12-03 04:32:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 344 transitions. [2023-12-03 04:32:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 04:32:43,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:43,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:32:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 183 states and 345 transitions. [2023-12-03 04:32:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 345 transitions. [2023-12-03 04:32:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:32:43,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:32:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 184 states and 346 transitions. [2023-12-03 04:32:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 346 transitions. [2023-12-03 04:32:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 04:32:43,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:43,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:32:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 191 states and 360 transitions. [2023-12-03 04:32:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 360 transitions. [2023-12-03 04:32:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:32:44,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 04:32:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 196 states and 369 transitions. [2023-12-03 04:32:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 369 transitions. [2023-12-03 04:32:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 04:32:44,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:44,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:32:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 197 states and 372 transitions. [2023-12-03 04:32:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 372 transitions. [2023-12-03 04:32:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:32:44,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:44,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:32:44,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 198 states and 373 transitions. [2023-12-03 04:32:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 373 transitions. [2023-12-03 04:32:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:32:44,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:44,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:32:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 199 states and 374 transitions. [2023-12-03 04:32:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 374 transitions. [2023-12-03 04:32:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:32:44,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:44,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-03 04:32:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 200 states and 374 transitions. [2023-12-03 04:32:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 374 transitions. [2023-12-03 04:32:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:32:44,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:44,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 04:32:44,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 201 states and 375 transitions. [2023-12-03 04:32:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 375 transitions. [2023-12-03 04:32:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:32:44,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:44,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 04:32:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 66 states and 89 transitions. [2023-12-03 04:32:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-12-03 04:32:44,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:32:44,965 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2023-12-03 04:32:44,974 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 04:32:45,291 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-03 04:32:45,299 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-03 04:32:45,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,303 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,303 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,303 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-12-03 04:32:45,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:32:45,304 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2023-12-03 04:32:45,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:32:45 ImpRootNode [2023-12-03 04:32:45,305 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:32:45,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:32:45,306 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:32:45,307 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:32:45,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:32:33" (3/4) ... [2023-12-03 04:32:45,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:32:45,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-12-03 04:32:45,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-12-03 04:32:45,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-12-03 04:32:45,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-12-03 04:32:45,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-12-03 04:32:45,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-12-03 04:32:45,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-12-03 04:32:45,322 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-12-03 04:32:45,322 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 04:32:45,323 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 04:32:45,324 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:32:45,324 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:32:45,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning)) || (!((1 == systemActive)) && !((0 == systemActive)))) || (!((pumpRunning == 0)) && (1 == systemActive))) || !((methAndRunningLastTime == 0))) [2023-12-03 04:32:45,396 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning)) || (!((1 == systemActive)) && !((0 == systemActive)))) || (!((pumpRunning == 0)) && (1 == systemActive))) || !((methAndRunningLastTime == 0))) [2023-12-03 04:32:45,451 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:32:45,451 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:32:45,452 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:32:45,453 INFO L158 Benchmark]: Toolchain (without parser) took 12811.54ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 82.1MB in the beginning and 41.8MB in the end (delta: 40.4MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2023-12-03 04:32:45,453 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:32:45,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.81ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 101.0MB in the end (delta: -19.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-12-03 04:32:45,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.89ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 98.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:32:45,454 INFO L158 Benchmark]: Boogie Preprocessor took 33.62ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:32:45,455 INFO L158 Benchmark]: RCFGBuilder took 487.86ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 75.8MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 04:32:45,455 INFO L158 Benchmark]: CodeCheck took 11592.32ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 75.8MB in the beginning and 48.0MB in the end (delta: 27.8MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2023-12-03 04:32:45,456 INFO L158 Benchmark]: Witness Printer took 145.77ms. Allocated memory is still 172.0MB. Free memory was 48.0MB in the beginning and 41.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:32:45,458 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, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12391 SdHoareTripleChecker+Valid, 23.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7154 mSDsluCounter, 16515 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11846 mSDsCounter, 3144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12466 IncrementalHoareTripleChecker+Invalid, 15610 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3144 mSolverCounterUnsat, 4669 mSDtfsCounter, 12466 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16553 GetRequests, 16367 SyntacticMatches, 2 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14867 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1765 NumberOfCodeBlocks, 1765 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 3242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 40 PerfectInterpolantSequences, 562/565 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: 401]: 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: 879]: Loop Invariant Derived loop invariant: ((methAndRunningLastTime == 0) || !((methaneLevelCritical == 0))) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((((tmp < (methaneLevelCritical + 1)) || (tmp < 1)) && ((methaneLevelCritical < (tmp + 1)) || (0 < (tmp + 1)))) || !((methAndRunningLastTime == 0))) - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning)) || (!((1 == systemActive)) && !((0 == systemActive)))) || (!((pumpRunning == 0)) && (1 == systemActive))) || !((methAndRunningLastTime == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.81ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 101.0MB in the end (delta: -19.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.89ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 98.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.62ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.86ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 75.8MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 11592.32ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 75.8MB in the beginning and 48.0MB in the end (delta: 27.8MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * Witness Printer took 145.77ms. Allocated memory is still 172.0MB. Free memory was 48.0MB in the beginning and 41.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] - GenericResultAtLocation [Line: 396]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] RESULT: Ultimate proved your program to be correct! [2023-12-03 04:32:45,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9960088a-dbb7-4036-8dec-c34f351b81d3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE