./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk --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 cde8d0b7ae63daaf73229c98a276eed51f74faeadb0d74d5645e79b969a982b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:39:11,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:39:11,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:39:11,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:39:11,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:39:11,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:39:11,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:39:11,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:39:11,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:39:11,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:39:11,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:39:11,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:39:11,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:39:11,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:39:11,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:39:11,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:39:11,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:39:11,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:39:11,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:39:11,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:39:11,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:39:11,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:39:11,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:39:11,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:39:11,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:39:11,233 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:39:11,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:39:11,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:11,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:39:11,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:39:11,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:39:11,235 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:39:11,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:39:11,235 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_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde8d0b7ae63daaf73229c98a276eed51f74faeadb0d74d5645e79b969a982b1 [2024-11-09 00:39:11,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:39:11,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:39:11,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:39:11,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:39:11,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:39:11,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i Unable to find full path for "g++" [2024-11-09 00:39:13,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:39:13,768 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:39:13,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i [2024-11-09 00:39:13,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/data/dea933b8e/323f4c2ae28645efab014ae006f3f05c/FLAG930426e15 [2024-11-09 00:39:13,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/data/dea933b8e/323f4c2ae28645efab014ae006f3f05c [2024-11-09 00:39:13,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:39:13,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:39:13,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:13,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:39:13,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:39:13,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:13" (1/1) ... [2024-11-09 00:39:13,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7a10e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:13, skipping insertion in model container [2024-11-09 00:39:13,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:13" (1/1) ... [2024-11-09 00:39:13,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:39:14,012 WARN L250 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_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i[915,928] [2024-11-09 00:39:14,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:14,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:39:14,089 WARN L250 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_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i[915,928] [2024-11-09 00:39:14,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:14,131 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:39:14,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14 WrapperNode [2024-11-09 00:39:14,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:14,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:14,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:39:14,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:39:14,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,177 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-11-09 00:39:14,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:14,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:39:14,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:39:14,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:39:14,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:39:14,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:39:14,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:39:14,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:39:14,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:14,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:39:14,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:39:14,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:39:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:39:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:39:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:39:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:39:14,402 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:39:14,405 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:39:14,692 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:39:14,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:39:14,835 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:39:14,838 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:39:14,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:14 BoogieIcfgContainer [2024-11-09 00:39:14,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:39:14,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:39:14,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:39:14,852 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:39:14,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:14" (1/1) ... [2024-11-09 00:39:14,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:39:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-09 00:39:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 00:39:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:39:14,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:14,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:39:15,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:39:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:39:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:39:15,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:39:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:39:15,723 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:39:15,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:39:15 ImpRootNode [2024-11-09 00:39:15,773 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:39:15,774 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:39:15,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:39:15,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:39:15,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:14" (3/4) ... [2024-11-09 00:39:15,779 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:39:15,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:39:15,782 INFO L158 Benchmark]: Toolchain (without parser) took 1980.82ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 93.2MB in the beginning and 109.7MB in the end (delta: -16.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-09 00:39:15,782 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 134.2MB. Free memory was 103.8MB in the beginning and 103.6MB in the end (delta: 133.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:15,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.52ms. Allocated memory is still 134.2MB. Free memory was 93.2MB in the beginning and 79.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:39:15,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.75ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:39:15,787 INFO L158 Benchmark]: Boogie Preprocessor took 41.37ms. Allocated memory is still 134.2MB. Free memory was 76.5MB in the beginning and 75.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:39:15,787 INFO L158 Benchmark]: RCFGBuilder took 614.40ms. Allocated memory is still 134.2MB. Free memory was 75.4MB in the beginning and 52.8MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 00:39:15,788 INFO L158 Benchmark]: CodeCheck took 933.19ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 52.8MB in the beginning and 109.7MB in the end (delta: -56.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:15,789 INFO L158 Benchmark]: Witness Printer took 7.03ms. Allocated memory is still 167.8MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:15,792 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 40 NumberOfCodeBlocks, 40 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 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 0; [L26] signed short int var_1_8 = 4; [L27] float var_1_10 = 16.4; [L28] signed short int var_1_11 = -25; [L29] float var_1_13 = 128.1; [L30] float var_1_14 = 31.4; [L31] unsigned char var_1_15 = 2; [L32] unsigned char var_1_16 = 0; [L33] signed long int var_1_17 = 5; [L34] float last_1_var_1_13 = 128.1; [L35] signed long int last_1_var_1_17 = 5; [L86] isInitial = 1 [L87] FCALL initially() [L88] COND TRUE 1 [L89] CALL updateLastVariables() [L78] last_1_var_1_13 = var_1_13 [L79] last_1_var_1_17 = var_1_17 [L89] RET updateLastVariables() [L90] CALL updateVariables() [L60] var_1_5 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=4] [L62] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_7=0, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_8=4] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_10=82/5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L69] var_1_10 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_14=157/5, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L71] var_1_14 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L73] var_1_16 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L75] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=-25, var_1_13=1281/10, var_1_15=2, var_1_16=0, var_1_17=5, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L90] RET updateVariables() [L91] CALL step() [L39] COND FALSE !(\read(var_1_5)) [L44] var_1_17 = var_1_8 [L45] var_1_13 = var_1_14 [L46] var_1_15 = var_1_16 [L47] signed long int stepLocal_0 = (- 5) + var_1_17; [L48] COND FALSE !(stepLocal_0 >= var_1_15) [L51] var_1_1 = ((var_1_5 && var_1_6) || var_1_7) [L53] COND TRUE var_1_10 >= 500.875f [L54] var_1_11 = ((((((((((((-50) < 0 ) ? -(-50) : (-50)))) > (var_1_8)) ? (((((-50) < 0 ) ? -(-50) : (-50)))) : (var_1_8)))) < (var_1_15)) ? (((((((((-50) < 0 ) ? -(-50) : (-50)))) > (var_1_8)) ? (((((-50) < 0 ) ? -(-50) : (-50)))) : (var_1_8)))) : (var_1_15))) [L91] RET step() [L92] CALL, EXPR property() [L82-L83] return ((((((((- 5) + var_1_17) >= var_1_15) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) ((var_1_5 && var_1_6) || var_1_7)))) && (var_1_5 ? ((0.4f > ((((last_1_var_1_13) < ((var_1_10 - 1.375f))) ? (last_1_var_1_13) : ((var_1_10 - 1.375f))))) ? (var_1_8 == ((signed short int) last_1_var_1_17)) : 1) : 1)) && ((var_1_10 >= 500.875f) ? (var_1_11 == ((signed short int) ((((((((((((-50) < 0 ) ? -(-50) : (-50)))) > (var_1_8)) ? (((((-50) < 0 ) ? -(-50) : (-50)))) : (var_1_8)))) < (var_1_15)) ? (((((((((-50) < 0 ) ? -(-50) : (-50)))) > (var_1_8)) ? (((((-50) < 0 ) ? -(-50) : (-50)))) : (var_1_8)))) : (var_1_15))))) : (var_1_11 == ((signed short int) var_1_15)))) && (var_1_13 == ((float) var_1_14))) && (var_1_15 == ((unsigned char) var_1_16))) && (var_1_17 == ((signed long int) var_1_8)) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=0, var_1_13=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=4, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=1281/10, last_1_var_1_17=5, var_1_11=0, var_1_13=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=4, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 134.2MB. Free memory was 103.8MB in the beginning and 103.6MB in the end (delta: 133.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.52ms. Allocated memory is still 134.2MB. Free memory was 93.2MB in the beginning and 79.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.75ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.37ms. Allocated memory is still 134.2MB. Free memory was 76.5MB in the beginning and 75.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.40ms. Allocated memory is still 134.2MB. Free memory was 75.4MB in the beginning and 52.8MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 933.19ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 52.8MB in the beginning and 109.7MB in the end (delta: -56.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.03ms. Allocated memory is still 167.8MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:39:15,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk --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 cde8d0b7ae63daaf73229c98a276eed51f74faeadb0d74d5645e79b969a982b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:39:18,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:39:18,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:39:18,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:39:18,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:39:18,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:39:18,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:39:18,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:39:18,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:39:18,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:39:18,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:39:18,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:39:18,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:39:18,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:39:18,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:39:18,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:39:18,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:39:18,392 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:39:18,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:39:18,393 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:39:18,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:39:18,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:39:18,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:39:18,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:39:18,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:39:18,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:39:18,396 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:18,396 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:39:18,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:39:18,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:18,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:39:18,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:39:18,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:39:18,398 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:39:18,398 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:18,399 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:39:18,399 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_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde8d0b7ae63daaf73229c98a276eed51f74faeadb0d74d5645e79b969a982b1 [2024-11-09 00:39:18,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:39:18,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:39:18,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:39:18,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:39:18,871 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:39:18,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i Unable to find full path for "g++" [2024-11-09 00:39:20,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:39:21,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:39:21,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i [2024-11-09 00:39:21,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/data/915359ad9/a7d2d3dc70fc457dae39b5f4cae4b05f/FLAG3d4b8b8ff [2024-11-09 00:39:21,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/data/915359ad9/a7d2d3dc70fc457dae39b5f4cae4b05f [2024-11-09 00:39:21,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:39:21,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:39:21,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:21,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:39:21,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:39:21,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d478dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21, skipping insertion in model container [2024-11-09 00:39:21,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:39:21,530 WARN L250 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_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i[915,928] [2024-11-09 00:39:21,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:21,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:39:21,637 WARN L250 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_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-76.i[915,928] [2024-11-09 00:39:21,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:21,717 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:39:21,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21 WrapperNode [2024-11-09 00:39:21,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:21,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:21,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:39:21,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:39:21,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,771 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-11-09 00:39:21,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:21,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:39:21,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:39:21,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:39:21,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:39:21,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:39:21,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:39:21,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:39:21,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:21" (1/1) ... [2024-11-09 00:39:21,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:21,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:39:21,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:39:21,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:39:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:39:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:39:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:39:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:39:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:39:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:39:22,021 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:39:22,024 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:39:22,434 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:39:22,435 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:39:22,609 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:39:22,609 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:39:22,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:22 BoogieIcfgContainer [2024-11-09 00:39:22,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:39:22,614 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:39:22,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:39:22,626 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:39:22,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:22" (1/1) ... [2024-11-09 00:39:22,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:39:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-09 00:39:22,703 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 00:39:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:39:22,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:22,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:22,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:22,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:22,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:39:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:23,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:23,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:39:23,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:00,807 WARN L286 SmtUtils]: Spent 12.06s on a formula simplification. DAG size of input: 461 DAG size of output: 456 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:52:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 16 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 00:52:36,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:52:37,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 80 transitions. [2024-11-09 00:52:37,558 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2024-11-09 00:52:37,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 00:52:37,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:37,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:37,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:37,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:37,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd0d21b-4b25-47c0-ab38-6b3debd2b89b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:52:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:38,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:38,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:52:38,609 INFO L278 TraceCheckSpWp]: Computing forward predicates...