./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.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_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/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_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/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_d288d4aa-f0c2-4c50-900f-5ae416dca387/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 596030647244ba698e271f30299d313978adce4624cbf43eb5bc260e683f32e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:13:40,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:13:40,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:13:40,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:13:40,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:13:40,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:13:40,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:13:40,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:13:40,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:13:40,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:13:40,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:13:40,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:13:40,400 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:13:40,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:13:40,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:13:40,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:13:40,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:13:40,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:13:40,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:13:40,404 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:13:40,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:13:40,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:13:40,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:13:40,406 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:13:40,406 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:13:40,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:13:40,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:40,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:13:40,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:13:40,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:13:40,409 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:13:40,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:13:40,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:13:40,410 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_d288d4aa-f0c2-4c50-900f-5ae416dca387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 596030647244ba698e271f30299d313978adce4624cbf43eb5bc260e683f32e1 [2023-12-03 03:13:40,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:13:40,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:13:40,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:13:40,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:13:40,675 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:13:40,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i [2023-12-03 03:13:43,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:13:43,615 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:13:43,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i [2023-12-03 03:13:43,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/data/93b67fa38/54796887223941faa74fe615df79ec3e/FLAG454bc76f5 [2023-12-03 03:13:43,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/data/93b67fa38/54796887223941faa74fe615df79ec3e [2023-12-03 03:13:43,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:13:43,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:13:43,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:43,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:13:43,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:13:43,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:43,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7b2d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43, skipping insertion in model container [2023-12-03 03:13:43,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:43,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:13:43,833 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_d288d4aa-f0c2-4c50-900f-5ae416dca387/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i[917,930] [2023-12-03 03:13:43,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:43,892 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:13:43,905 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_d288d4aa-f0c2-4c50-900f-5ae416dca387/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i[917,930] [2023-12-03 03:13:43,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:43,944 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:13:43,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43 WrapperNode [2023-12-03 03:13:43,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:43,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:43,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:13:43,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:13:43,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:43,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,009 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2023-12-03 03:13:44,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:44,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:13:44,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:13:44,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:13:44,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:13:44,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:13:44,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:13:44,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:13:44,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:43" (1/1) ... [2023-12-03 03:13:44,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:44,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:13:44,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:13:44,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:13:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:13:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:13:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:13:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:13:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:13:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:13:44,225 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:13:44,228 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:13:44,476 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:13:44,566 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:13:44,566 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:13:44,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:44 BoogieIcfgContainer [2023-12-03 03:13:44,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:13:44,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:13:44,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:13:44,579 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:13:44,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:44" (1/1) ... [2023-12-03 03:13:44,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:13:44,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-12-03 03:13:44,643 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-12-03 03:13:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:13:44,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:44,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:13:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:13:44,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:13:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:13:45,009 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:13:45,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:13:45 ImpRootNode [2023-12-03 03:13:45,050 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:13:45,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:13:45,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:13:45,051 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:13:45,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:44" (3/4) ... [2023-12-03 03:13:45,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:13:45,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:13:45,055 INFO L158 Benchmark]: Toolchain (without parser) took 1406.84ms. Allocated memory is still 138.4MB. Free memory was 101.0MB in the beginning and 65.2MB in the end (delta: 35.8MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-12-03 03:13:45,056 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:13:45,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.87ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 88.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:13:45,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.91ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 83.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:13:45,058 INFO L158 Benchmark]: Boogie Preprocessor took 37.98ms. Allocated memory is still 138.4MB. Free memory was 83.8MB in the beginning and 82.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:13:45,058 INFO L158 Benchmark]: RCFGBuilder took 518.33ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 86.2MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:13:45,059 INFO L158 Benchmark]: CodeCheck took 481.22ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 65.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:13:45,059 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 138.4MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:13:45,063 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 36 NumberOfCodeBlocks, 36 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 41, overapproximation of someBinaryArithmeticFLOAToperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] signed short int var_1_4 = 1; [L24] float var_1_12 = 1.125; [L25] float var_1_13 = 199.5; [L26] float var_1_14 = 2000000000.3; [L27] unsigned char var_1_15 = 64; [L28] unsigned char var_1_16 = 2; [L29] unsigned long int var_1_17 = 50; [L30] signed long int var_1_19 = -32; [L31] float var_1_20 = 8.75; [L32] unsigned char last_1_var_1_15 = 64; [L75] isInitial = 1 [L76] FCALL initially() [L77] COND TRUE 1 [L78] CALL updateLastVariables() [L68] last_1_var_1_15 = var_1_15 [L78] RET updateLastVariables() [L79] CALL updateVariables() [L52] var_1_4 = __VERIFIER_nondet_short() [L53] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=20000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=20000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L54] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=20000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_13=399/2, var_1_14=20000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L55] var_1_13 = __VERIFIER_nondet_float() [L56] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_14=20000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_14=20000000003/10, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L57] var_1_14 = __VERIFIER_nondet_float() [L58] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L59] var_1_16 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L61] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=0, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=0, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L62] var_1_19 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=0, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=0, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L64] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=0, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=0, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L65] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=0, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=9/8, var_1_15=64, var_1_16=0, var_1_17=50, var_1_19=-1, var_1_1=-1, var_1_20=35/4, var_1_4=32766] [L79] RET updateVariables() [L80] CALL step() [L36] var_1_12 = ((0.85f - var_1_13) + var_1_14) [L37] COND FALSE !((- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4))))) [L40] var_1_20 = var_1_13 [L41] COND FALSE !(var_1_20 > var_1_20) [L44] var_1_1 = (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))))))) [L46] signed long int stepLocal_0 = var_1_15 + (var_1_15 + var_1_1); [L47] COND TRUE stepLocal_0 != (var_1_15 * (var_1_1 / var_1_19)) [L48] var_1_17 = (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15) [L80] RET step() [L81] CALL, EXPR property() [L71-L72] return (((((var_1_20 > var_1_20) ? (var_1_1 == ((signed short int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : (var_1_1 == ((signed short int) (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))))))) && (var_1_12 == ((float) ((0.85f - var_1_13) + var_1_14)))) && (((- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && (((var_1_15 + (var_1_15 + var_1_1)) != (var_1_15 * (var_1_1 / var_1_19))) ? (var_1_17 == ((unsigned long int) (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15))) : 1)) && (var_1_20 == ((float) var_1_13)) ; [L81] RET, EXPR property() [L81] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=64, var_1_16=0, var_1_17=74, var_1_19=-1, var_1_1=0, var_1_20=2, var_1_4=32766] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, var_1_13=2, var_1_15=64, var_1_16=0, var_1_17=74, var_1_19=-1, var_1_1=0, var_1_20=2, var_1_4=32766] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.87ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 88.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.91ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 83.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.98ms. Allocated memory is still 138.4MB. Free memory was 83.8MB in the beginning and 82.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.33ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 86.2MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 481.22ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 65.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 138.4MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:13:45,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/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_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/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_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/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_d288d4aa-f0c2-4c50-900f-5ae416dca387/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 596030647244ba698e271f30299d313978adce4624cbf43eb5bc260e683f32e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:13:46,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:13:47,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:13:47,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:13:47,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:13:47,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:13:47,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:13:47,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:13:47,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:13:47,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:13:47,110 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:13:47,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:13:47,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:13:47,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:13:47,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:13:47,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:13:47,113 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:13:47,114 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:13:47,114 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:13:47,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:13:47,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:13:47,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:13:47,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:13:47,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:13:47,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:13:47,118 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:47,118 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:13:47,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:13:47,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:47,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:13:47,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:13:47,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:13:47,121 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:13:47,122 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:47,122 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:13:47,122 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:13:47,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:13:47,123 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_d288d4aa-f0c2-4c50-900f-5ae416dca387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 596030647244ba698e271f30299d313978adce4624cbf43eb5bc260e683f32e1 [2023-12-03 03:13:47,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:13:47,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:13:47,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:13:47,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:13:47,483 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:13:47,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i [2023-12-03 03:13:50,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:13:50,443 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:13:50,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i [2023-12-03 03:13:50,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/data/7fc471fbd/93eb3eb768994cf1ad7887d3e62a3096/FLAGba04e3f6d [2023-12-03 03:13:50,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/data/7fc471fbd/93eb3eb768994cf1ad7887d3e62a3096 [2023-12-03 03:13:50,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:13:50,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:13:50,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:50,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:13:50,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:13:50,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfa6059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50, skipping insertion in model container [2023-12-03 03:13:50,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:13:50,624 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_d288d4aa-f0c2-4c50-900f-5ae416dca387/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i[917,930] [2023-12-03 03:13:50,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:50,682 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:13:50,692 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_d288d4aa-f0c2-4c50-900f-5ae416dca387/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-26.i[917,930] [2023-12-03 03:13:50,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:50,734 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:13:50,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50 WrapperNode [2023-12-03 03:13:50,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:50,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:50,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:13:50,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:13:50,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,778 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2023-12-03 03:13:50,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:50,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:13:50,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:13:50,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:13:50,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:13:50,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:13:50,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:13:50,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:13:50,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:50" (1/1) ... [2023-12-03 03:13:50,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:50,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:13:50,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:13:50,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:13:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:13:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:13:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:13:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:13:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:13:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:13:50,976 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:13:50,979 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:13:51,851 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:13:51,934 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:13:51,934 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:13:51,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:51 BoogieIcfgContainer [2023-12-03 03:13:51,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:13:51,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:13:51,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:13:51,947 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:13:51,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:51" (1/1) ... [2023-12-03 03:13:51,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:13:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-12-03 03:13:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-12-03 03:13:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:13:52,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:52,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:52,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:52,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:13:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:52,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:53,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:13:53,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:19:27,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:19:30,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:30,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2023-12-03 03:19:30,876 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2023-12-03 03:19:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:19:30,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:30,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:19:30,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:19:30,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:19:30,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:19:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:31,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:19:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:32,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:19:32,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:25:22,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2023-12-03 03:25:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2023-12-03 03:25:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:25:22,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:22,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:22,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:22,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:22,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d288d4aa-f0c2-4c50-900f-5ae416dca387/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:25:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:23,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:24,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 03:25:24,951 INFO L285 TraceCheckSpWp]: Computing forward predicates...