./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i --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_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/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_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/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_d50731bf-bf84-4b79-906e-a614da4a6bd1/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 207d54556929a93aa39d246b1f9a7e7f3ed779038a85bd758d97838d975fbe31 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:49:22,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:49:23,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:49:23,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:49:23,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:49:23,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:49:23,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:49:23,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:49:23,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:49:23,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:49:23,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:49:23,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:49:23,064 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:49:23,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:49:23,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:49:23,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:49:23,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:49:23,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:49:23,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:49:23,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:49:23,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:49:23,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:49:23,074 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:49:23,074 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:49:23,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:49:23,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:49:23,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:23,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:49:23,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:49:23,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:49:23,077 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:49:23,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:49:23,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:49:23,077 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_d50731bf-bf84-4b79-906e-a614da4a6bd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 207d54556929a93aa39d246b1f9a7e7f3ed779038a85bd758d97838d975fbe31 [2023-12-03 01:49:23,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:49:23,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:49:23,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:49:23,289 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:49:23,289 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:49:23,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i [2023-12-03 01:49:26,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:49:26,204 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:49:26,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i [2023-12-03 01:49:26,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/data/4d89f7864/3ae9a14f67764cf1bfa7a807afcb0355/FLAGc81607c94 [2023-12-03 01:49:26,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/data/4d89f7864/3ae9a14f67764cf1bfa7a807afcb0355 [2023-12-03 01:49:26,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:49:26,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:49:26,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:26,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:49:26,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:49:26,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3bace2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26, skipping insertion in model container [2023-12-03 01:49:26,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,260 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:26,375 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_d50731bf-bf84-4b79-906e-a614da4a6bd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i[913,926] [2023-12-03 01:49:26,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:26,427 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:49:26,440 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_d50731bf-bf84-4b79-906e-a614da4a6bd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i[913,926] [2023-12-03 01:49:26,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:26,469 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:49:26,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26 WrapperNode [2023-12-03 01:49:26,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:26,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:26,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:49:26,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:49:26,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,516 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-12-03 01:49:26,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:26,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:49:26,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:49:26,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:49:26,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:49:26,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:49:26,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:49:26,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:49:26,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:26" (1/1) ... [2023-12-03 01:49:26,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:26,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:49:26,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:49:26,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:49:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:49:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:49:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:49:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:49:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:49:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:49:26,694 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:49:26,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:49:26,968 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:49:27,190 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:49:27,190 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:49:27,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:27 BoogieIcfgContainer [2023-12-03 01:49:27,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:49:27,193 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:49:27,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:49:27,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:49:27,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:27" (1/1) ... [2023-12-03 01:49:27,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:49:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-12-03 01:49:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-12-03 01:49:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:49:27,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:27,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:27,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:27,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:27,811 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:49:27,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:49:27 ImpRootNode [2023-12-03 01:49:27,855 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:49:27,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:49:27,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:49:27,856 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:49:27,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:27" (3/4) ... [2023-12-03 01:49:27,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:49:27,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:49:27,861 INFO L158 Benchmark]: Toolchain (without parser) took 1632.58ms. Allocated memory is still 146.8MB. Free memory was 116.0MB in the beginning and 103.8MB in the end (delta: 12.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-12-03 01:49:27,861 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:27,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.75ms. Allocated memory is still 146.8MB. Free memory was 115.6MB in the beginning and 103.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:49:27,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.04ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 100.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:49:27,863 INFO L158 Benchmark]: Boogie Preprocessor took 33.61ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 98.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:49:27,864 INFO L158 Benchmark]: RCFGBuilder took 641.07ms. Allocated memory is still 146.8MB. Free memory was 98.1MB in the beginning and 91.2MB in the end (delta: 6.9MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-12-03 01:49:27,864 INFO L158 Benchmark]: CodeCheck took 661.89ms. Allocated memory is still 146.8MB. Free memory was 91.2MB in the beginning and 104.8MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:27,865 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 103.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:49:27,868 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 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of bitwiseOr at line 53, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of bitwiseAnd at line 59, overapproximation of someUnaryFLOAToperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] signed short int var_1_5 = 4; [L24] unsigned char var_1_7 = 200; [L25] unsigned char var_1_8 = 32; [L26] float var_1_9 = 256.5; [L27] float var_1_10 = -0.25; [L28] float var_1_11 = 0.30000000000000004; [L29] float var_1_12 = 49.5; [L30] signed long int var_1_13 = -8; [L31] unsigned char var_1_14 = 0; [L32] float var_1_15 = 0.4; [L33] signed long int var_1_16 = -256; [L34] signed long int last_1_var_1_13 = -8; [L88] isInitial = 1 [L89] FCALL initially() [L90] COND TRUE 1 [L91] CALL updateLastVariables() [L81] last_1_var_1_13 = var_1_13 [L91] RET updateLastVariables() [L92] CALL updateVariables() [L64] var_1_5 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=513/2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=513/2] [L66] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=513/2] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=513/2] [L67] var_1_8 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_9=513/2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_9=513/2] [L69] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L70] var_1_10 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L72] var_1_11 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L74] var_1_12 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L76] var_1_14 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L78] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L92] RET updateVariables() [L93] CALL step() [L38] COND FALSE !(var_1_5 < last_1_var_1_13) [L41] var_1_16 = var_1_7 [L42] unsigned char stepLocal_1 = var_1_7; [L43] COND TRUE ! var_1_14 [L44] var_1_13 = var_1_8 [L52] var_1_15 = var_1_11 [L53] EXPR var_1_13 ^ var_1_7 [L53] signed long int stepLocal_0 = (var_1_13 ^ var_1_7) + var_1_16; [L54] COND FALSE !(stepLocal_0 < -1) [L57] var_1_1 = (128 - (var_1_7 + var_1_7)) [L59] EXPR var_1_7 | var_1_16 [L59] EXPR var_1_13 & (var_1_7 | var_1_16) [L59] COND FALSE !(var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) [L93] RET step() [L94] CALL, EXPR property() [L84] EXPR var_1_13 ^ var_1_7 [L84] EXPR (((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((float) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1) [L84] EXPR var_1_7 | var_1_16 [L84] EXPR var_1_13 & (var_1_7 | var_1_16) [L84] EXPR (((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((float) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1) [L84-L85] return ((((((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((float) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1)) && ((! var_1_14) ? (var_1_13 == ((signed long int) var_1_8)) : ((var_1_7 > (var_1_7 + var_1_7)) ? (var_1_13 == ((signed long int) var_1_7)) : (var_1_13 == ((signed long int) var_1_16))))) && (var_1_15 == ((float) var_1_11))) && (var_1_16 == ((signed long int) var_1_7)) ; [L94] RET, EXPR property() [L94] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=-8, var_1_11=2, var_1_13=1, var_1_14=0, var_1_15=2, var_1_16=200, var_1_1=-272, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=-8, var_1_11=2, var_1_13=1, var_1_14=0, var_1_15=2, var_1_16=200, var_1_1=-272, var_1_5=0, var_1_7=200, var_1_8=1, var_1_9=513/2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.75ms. Allocated memory is still 146.8MB. Free memory was 115.6MB in the beginning and 103.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.04ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 100.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.61ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 98.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.07ms. Allocated memory is still 146.8MB. Free memory was 98.1MB in the beginning and 91.2MB in the end (delta: 6.9MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * CodeCheck took 661.89ms. Allocated memory is still 146.8MB. Free memory was 91.2MB in the beginning and 104.8MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 103.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:49:27,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/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_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/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 207d54556929a93aa39d246b1f9a7e7f3ed779038a85bd758d97838d975fbe31 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:49:29,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:49:29,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:49:29,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:49:29,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:49:29,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:49:29,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:49:29,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:49:29,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:49:29,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:49:29,833 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:49:29,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:49:29,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:49:29,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:49:29,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:49:29,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:49:29,836 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:49:29,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:49:29,837 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:49:29,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:49:29,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:49:29,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:49:29,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:49:29,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:49:29,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:49:29,841 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:29,841 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:49:29,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:49:29,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:29,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:49:29,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:49:29,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:49:29,844 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:49:29,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:29,844 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:49:29,844 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:49:29,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:49:29,845 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_d50731bf-bf84-4b79-906e-a614da4a6bd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 207d54556929a93aa39d246b1f9a7e7f3ed779038a85bd758d97838d975fbe31 [2023-12-03 01:49:30,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:49:30,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:49:30,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:49:30,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:49:30,188 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:49:30,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i [2023-12-03 01:49:32,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:49:33,189 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:49:33,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i [2023-12-03 01:49:33,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/data/484b451c1/0eaabf4e81ad4f32b463fbf27c43b463/FLAGc24b3bff1 [2023-12-03 01:49:33,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/data/484b451c1/0eaabf4e81ad4f32b463fbf27c43b463 [2023-12-03 01:49:33,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:49:33,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:49:33,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:33,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:49:33,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:49:33,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f2bd33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33, skipping insertion in model container [2023-12-03 01:49:33,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:33,401 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_d50731bf-bf84-4b79-906e-a614da4a6bd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i[913,926] [2023-12-03 01:49:33,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:33,457 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:49:33,470 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_d50731bf-bf84-4b79-906e-a614da4a6bd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i[913,926] [2023-12-03 01:49:33,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:33,510 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:49:33,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33 WrapperNode [2023-12-03 01:49:33,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:33,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:33,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:49:33,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:49:33,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,558 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-12-03 01:49:33,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:33,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:49:33,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:49:33,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:49:33,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:49:33,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:49:33,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:49:33,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:49:33,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:33" (1/1) ... [2023-12-03 01:49:33,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:33,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:49:33,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:49:33,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:49:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:49:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:49:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:49:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:49:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:49:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:49:33,744 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:49:33,746 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:49:34,264 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:49:34,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:49:34,374 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:49:34,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:34 BoogieIcfgContainer [2023-12-03 01:49:34,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:49:34,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:49:34,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:49:34,386 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:49:34,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:34" (1/1) ... [2023-12-03 01:49:34,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:49:34,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-12-03 01:49:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-12-03 01:49:34,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:49:34,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:34,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:34,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:34,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:34,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:49:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:35,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:35,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 01:49:35,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:32,077 WARN L293 SmtUtils]: Spent 15.16s on a formula simplification. DAG size of input: 482 DAG size of output: 363 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:04:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 38 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 02:04:23,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:04:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 76 transitions. [2023-12-03 02:04:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2023-12-03 02:04:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:04:24,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:24,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:04:24,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:04:24,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:04:24,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50731bf-bf84-4b79-906e-a614da4a6bd1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:04:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:25,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:04:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:25,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:04:25,764 INFO L285 TraceCheckSpWp]: Computing forward predicates...