./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/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_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/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_b2e913b0-25b4-4fd5-8d63-2d023186729b/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 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:12:32,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:12:33,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:12:33,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:12:33,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:12:33,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:12:33,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:12:33,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:12:33,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:12:33,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:12:33,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:12:33,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:12:33,036 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:12:33,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:12:33,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:12:33,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:12:33,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:12:33,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:12:33,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:12:33,040 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:12:33,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:12:33,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:12:33,041 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:12:33,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:12:33,042 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:12:33,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:12:33,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:12:33,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:12:33,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:12:33,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:12:33,044 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:12:33,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:12:33,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:12:33,045 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_b2e913b0-25b4-4fd5-8d63-2d023186729b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab [2023-12-02 22:12:33,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:12:33,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:12:33,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:12:33,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:12:33,320 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:12:33,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2023-12-02 22:12:36,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:12:36,268 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:12:36,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2023-12-02 22:12:36,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/data/5092be478/70c2464e90854ab7ac4f756060118536/FLAGb69471678 [2023-12-02 22:12:36,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/data/5092be478/70c2464e90854ab7ac4f756060118536 [2023-12-02 22:12:36,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:12:36,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:12:36,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:12:36,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:12:36,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:12:36,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f84be1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36, skipping insertion in model container [2023-12-02 22:12:36,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:12:36,602 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_b2e913b0-25b4-4fd5-8d63-2d023186729b/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2023-12-02 22:12:36,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:12:36,623 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:12:36,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-12-02 22:12:36,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [121] [2023-12-02 22:12:36,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [221] [2023-12-02 22:12:36,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [389] [2023-12-02 22:12:36,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [755] [2023-12-02 22:12:36,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [791] [2023-12-02 22:12:36,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800] [2023-12-02 22:12:36,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [894] [2023-12-02 22:12:36,680 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_b2e913b0-25b4-4fd5-8d63-2d023186729b/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2023-12-02 22:12:36,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:12:36,704 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:12:36,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36 WrapperNode [2023-12-02 22:12:36,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:12:36,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:12:36,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:12:36,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:12:36,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,752 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 179 [2023-12-02 22:12:36,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:12:36,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:12:36,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:12:36,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:12:36,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:12:36,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:12:36,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:12:36,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:12:36,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:36" (1/1) ... [2023-12-02 22:12:36,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:12:36,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:12:36,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:12:36,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:12:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:12:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-02 22:12:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-02 22:12:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-02 22:12:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-02 22:12:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-02 22:12:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-02 22:12:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-02 22:12:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-02 22:12:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-02 22:12:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-02 22:12:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:12:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-02 22:12:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-02 22:12:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:12:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:12:36,915 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:12:36,917 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:12:37,135 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:12:37,235 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:12:37,235 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:12:37,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:37 BoogieIcfgContainer [2023-12-02 22:12:37,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:12:37,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:12:37,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:12:37,246 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:12:37,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:37" (1/1) ... [2023-12-02 22:12:37,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:12:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2023-12-02 22:12:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-12-02 22:12:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:12:37,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:37,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2023-12-02 22:12:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2023-12-02 22:12:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:12:37,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:37,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2023-12-02 22:12:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-12-02 22:12:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:12:37,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2023-12-02 22:12:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2023-12-02 22:12:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:12:37,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:37,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2023-12-02 22:12:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-12-02 22:12:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:12:38,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:38,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:38,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2023-12-02 22:12:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2023-12-02 22:12:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:12:38,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:38,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:38,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:38,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:38,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2023-12-02 22:12:38,306 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2023-12-02 22:12:38,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:12:38,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:38,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:38,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:38,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2023-12-02 22:12:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2023-12-02 22:12:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:12:38,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:38,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:39,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 97 states and 157 transitions. [2023-12-02 22:12:39,570 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 157 transitions. [2023-12-02 22:12:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:12:39,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:39,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 158 transitions. [2023-12-02 22:12:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 158 transitions. [2023-12-02 22:12:39,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:12:39,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:39,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:39,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:39,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 159 transitions. [2023-12-02 22:12:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2023-12-02 22:12:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:12:39,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:39,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:12:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 155 transitions. [2023-12-02 22:12:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2023-12-02 22:12:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 22:12:39,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:39,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:12:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 103 states and 165 transitions. [2023-12-02 22:12:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2023-12-02 22:12:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:12:40,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:40,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:12:40,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 104 states and 168 transitions. [2023-12-02 22:12:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2023-12-02 22:12:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:12:40,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:40,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:12:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 171 transitions. [2023-12-02 22:12:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2023-12-02 22:12:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:12:40,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:40,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:12:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 109 states and 177 transitions. [2023-12-02 22:12:40,484 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2023-12-02 22:12:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:12:40,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:40,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 22:12:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:40,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 122 states and 215 transitions. [2023-12-02 22:12:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 215 transitions. [2023-12-02 22:12:40,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:12:40,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:40,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:12:41,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 206 transitions. [2023-12-02 22:12:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2023-12-02 22:12:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 22:12:41,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:41,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 22:12:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 123 states and 207 transitions. [2023-12-02 22:12:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2023-12-02 22:12:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 22:12:41,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:41,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:41,357 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 22:12:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 124 states and 208 transitions. [2023-12-02 22:12:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 208 transitions. [2023-12-02 22:12:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:12:41,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:41,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 22:12:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 131 states and 229 transitions. [2023-12-02 22:12:42,274 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 229 transitions. [2023-12-02 22:12:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 22:12:42,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:42,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 22:12:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 132 states and 227 transitions. [2023-12-02 22:12:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 227 transitions. [2023-12-02 22:12:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:12:42,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:42,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-02 22:12:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 137 states and 237 transitions. [2023-12-02 22:12:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 237 transitions. [2023-12-02 22:12:42,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:12:42,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:42,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 22:12:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 138 states and 238 transitions. [2023-12-02 22:12:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2023-12-02 22:12:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:12:42,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:42,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-02 22:12:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 139 states and 239 transitions. [2023-12-02 22:12:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2023-12-02 22:12:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 22:12:42,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 22:12:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 65 states and 85 transitions. [2023-12-02 22:12:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2023-12-02 22:12:42,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:12:42,871 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-12-02 22:12:42,878 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:12:43,071 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,075 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,076 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-12-02 22:12:43,079 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-12-02 22:12:43,080 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,080 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,080 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,080 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,080 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2023-12-02 22:12:43,081 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,081 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,081 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,081 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,081 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:12:43,081 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-12-02 22:12:43,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:12:43 ImpRootNode [2023-12-02 22:12:43,082 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:12:43,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:12:43,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:12:43,083 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:12:43,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:37" (3/4) ... [2023-12-02 22:12:43,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:12:43,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-12-02 22:12:43,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-12-02 22:12:43,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-12-02 22:12:43,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-12-02 22:12:43,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-12-02 22:12:43,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-12-02 22:12:43,096 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-12-02 22:12:43,097 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 22:12:43,098 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 22:12:43,098 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:12:43,099 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:12:43,127 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (1 < waterLevel)) || (0 == systemActive)) [2023-12-02 22:12:43,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (1 < waterLevel)) [2023-12-02 22:12:43,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) || ((1 < waterLevel) && (0 < tmp))) [2023-12-02 22:12:43,168 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (1 < waterLevel)) || (0 == systemActive)) [2023-12-02 22:12:43,169 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (1 < waterLevel)) [2023-12-02 22:12:43,170 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) || ((1 < waterLevel) && (0 < tmp))) [2023-12-02 22:12:43,214 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:12:43,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:12:43,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:12:43,216 INFO L158 Benchmark]: Toolchain (without parser) took 6914.30ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 132.1MB in the beginning and 78.6MB in the end (delta: 53.6MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2023-12-02 22:12:43,216 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:12:43,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.35ms. Allocated memory is still 169.9MB. Free memory was 131.9MB in the beginning and 112.4MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:12:43,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.28ms. Allocated memory is still 169.9MB. Free memory was 112.4MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:12:43,218 INFO L158 Benchmark]: Boogie Preprocessor took 27.58ms. Allocated memory is still 169.9MB. Free memory was 110.3MB in the beginning and 109.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:12:43,218 INFO L158 Benchmark]: RCFGBuilder took 456.09ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 84.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 22:12:43,218 INFO L158 Benchmark]: CodeCheck took 5844.45ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 84.6MB in the beginning and 85.9MB in the end (delta: -1.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-12-02 22:12:43,219 INFO L158 Benchmark]: Witness Printer took 132.18ms. Allocated memory is still 205.5MB. Free memory was 85.9MB in the beginning and 78.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 22:12:43,221 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 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4690 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2175 mSDsluCounter, 5205 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3393 mSDsCounter, 1464 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5502 IncrementalHoareTripleChecker+Invalid, 6966 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1464 mSolverCounterUnsat, 1812 mSDtfsCounter, 5502 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8734 GetRequests, 8617 SyntacticMatches, 9 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4767 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 971 NumberOfCodeBlocks, 971 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 946 ConstructedInterpolants, 0 QuantifiedInterpolants, 1777 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 305/312 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: 796]: 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: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning)) && (waterLevel <= 1)) || ((1 < waterLevel) && (0 < tmp))) - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (1 < waterLevel)) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (tmp == 1)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (1 < waterLevel)) || (0 == systemActive)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.35ms. Allocated memory is still 169.9MB. Free memory was 131.9MB in the beginning and 112.4MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.28ms. Allocated memory is still 169.9MB. Free memory was 112.4MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.58ms. Allocated memory is still 169.9MB. Free memory was 110.3MB in the beginning and 109.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.09ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 84.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 5844.45ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 84.6MB in the beginning and 85.9MB in the end (delta: -1.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 132.18ms. Allocated memory is still 205.5MB. Free memory was 85.9MB in the beginning and 78.6MB 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [121] - GenericResultAtLocation [Line: 221]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [221] - GenericResultAtLocation [Line: 389]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [389] - GenericResultAtLocation [Line: 755]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [755] - GenericResultAtLocation [Line: 791]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [791] - GenericResultAtLocation [Line: 800]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800] - GenericResultAtLocation [Line: 894]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [894] RESULT: Ultimate proved your program to be correct! [2023-12-02 22:12:43,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e913b0-25b4-4fd5-8d63-2d023186729b/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