./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL --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 84717a5c2896f013826b4f3140ab30111b65bd200eaa9dc30a2a86e9a93af713 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:48,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:48,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:48,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:48,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:48,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:48,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:48,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:48,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:48,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:48,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:48,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:48,197 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:48,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:48,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:48,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:48,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:48,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:48,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:48,201 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:48,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:48,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:48,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:48,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:48,203 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:48,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:48,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:48,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:48,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:48,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:48,207 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:48,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:48,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:48,208 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_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84717a5c2896f013826b4f3140ab30111b65bd200eaa9dc30a2a86e9a93af713 [2023-11-19 02:52:48,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:48,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:48,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:48,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:48,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:48,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i [2023-11-19 02:52:51,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:51,874 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:51,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i [2023-11-19 02:52:51,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/data/cb09aeed8/9938335f295d4da28bd7e49203a4b0f6/FLAGe52c9f2da [2023-11-19 02:52:51,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/data/cb09aeed8/9938335f295d4da28bd7e49203a4b0f6 [2023-11-19 02:52:51,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:51,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:51,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:51,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:51,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:51,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af85436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:51, skipping insertion in model container [2023-11-19 02:52:51,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:52,128 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_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i[916,929] [2023-11-19 02:52:52,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:52,183 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:52,196 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_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i[916,929] [2023-11-19 02:52:52,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:52,240 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:52,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52 WrapperNode [2023-11-19 02:52:52,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:52,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:52,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:52,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:52,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,305 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-19 02:52:52,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:52,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:52,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:52,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:52,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:52,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:52,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:52,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:52,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:52" (1/1) ... [2023-11-19 02:52:52,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:52,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:52,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:52,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:52:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:52:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:52,547 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:52,550 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:52,898 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:53,184 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:53,184 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:52:53,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:53 BoogieIcfgContainer [2023-11-19 02:52:53,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:53,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:53,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:53,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:53,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:53" (1/1) ... [2023-11-19 02:52:53,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-19 02:52:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-19 02:52:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:52:53,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:53,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:52:53,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:52:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:52:53,791 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:52:53,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:52:53 ImpRootNode [2023-11-19 02:52:53,889 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:52:53,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:52:53,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:52:53,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:52:53,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:53" (3/4) ... [2023-11-19 02:52:53,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:52:53,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:52:53,899 INFO L158 Benchmark]: Toolchain (without parser) took 1985.08ms. Allocated memory was 176.2MB in the beginning and 266.3MB in the end (delta: 90.2MB). Free memory was 140.9MB in the beginning and 229.1MB in the end (delta: -88.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-11-19 02:52:53,899 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:52:53,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.60ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 128.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:52:53,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.07ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 125.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:52:53,903 INFO L158 Benchmark]: Boogie Preprocessor took 36.50ms. Allocated memory is still 176.2MB. Free memory was 125.8MB in the beginning and 124.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:52:53,904 INFO L158 Benchmark]: RCFGBuilder took 836.85ms. Allocated memory is still 176.2MB. Free memory was 124.4MB in the beginning and 88.8MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 02:52:53,906 INFO L158 Benchmark]: CodeCheck took 698.02ms. Allocated memory was 176.2MB in the beginning and 266.3MB in the end (delta: 90.2MB). Free memory was 88.4MB in the beginning and 229.1MB in the end (delta: -140.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:52:53,906 INFO L158 Benchmark]: Witness Printer took 7.53ms. Allocated memory is still 266.3MB. Free memory is still 229.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:52:53,915 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 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 shiftRight at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed short int var_1_4 = -64; [L24] signed short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 128; [L26] unsigned short int var_1_7 = 256; [L27] signed long int var_1_8 = 50; [L28] unsigned char var_1_9 = 0; [L29] signed long int var_1_10 = -4; [L30] signed long int var_1_11 = 15; [L31] signed long int var_1_12 = 0; [L32] signed long int var_1_13 = 25; [L33] unsigned short int var_1_14 = 50; [L34] signed short int last_1_var_1_1 = 2; [L35] unsigned short int last_1_var_1_6 = 128; [L36] signed long int last_1_var_1_8 = 50; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L90] last_1_var_1_1 = var_1_1 [L91] last_1_var_1_6 = var_1_6 [L92] last_1_var_1_8 = var_1_8 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L69] var_1_4 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L72] var_1_5 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L75] var_1_7 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L81] var_1_10 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=0, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L85] var_1_12 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=-2147483648, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=-2147483648, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=-2147483648, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=15, var_1_12=-2147483648, var_1_13=25, var_1_14=50, var_1_1=2, var_1_4=-16383, var_1_5=16382, var_1_6=128, var_1_7=0, var_1_8=50, var_1_9=0] [L103] RET updateVariables() [L104] CALL step() [L40] COND TRUE ! (last_1_var_1_6 <= last_1_var_1_1) [L41] var_1_1 = (var_1_4 + var_1_5) [L43] signed long int stepLocal_0 = 1 * var_1_4; [L44] EXPR var_1_1 >> var_1_5 [L44] COND FALSE !((var_1_1 >> var_1_5) > stepLocal_0) [L47] var_1_6 = var_1_7 [L49] var_1_11 = var_1_12 [L50] var_1_13 = var_1_12 [L51] var_1_14 = var_1_7 [L52] signed long int stepLocal_2 = var_1_4 / var_1_10; [L53] unsigned short int stepLocal_1 = var_1_7; [L54] COND FALSE !(\read(var_1_9)) [L57] COND FALSE !(var_1_14 > stepLocal_2) [L64] var_1_8 = (var_1_6 + var_1_5) [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) [L95] EXPR var_1_1 >> var_1_5 [L95] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) [L95-L96] return ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7)))) && (var_1_9 ? (var_1_8 == ((signed long int) ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))))) : ((var_1_14 > (var_1_4 / var_1_10)) ? ((var_1_7 > var_1_6) ? (var_1_8 == ((signed long int) ((((var_1_4) < (100)) ? (var_1_4) : (100))))) : (var_1_8 == ((signed long int) (last_1_var_1_8 - var_1_7)))) : (var_1_8 == ((signed long int) (var_1_6 + var_1_5)))))) && (var_1_11 == ((signed long int) var_1_12))) && (var_1_13 == ((signed long int) var_1_12))) && (var_1_14 == ((unsigned short int) var_1_7)) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=-2147483648, var_1_12=-2147483648, var_1_13=-2147483648, var_1_14=0, var_1_1=-1, var_1_4=-16383, var_1_5=16382, var_1_6=0, var_1_7=0, var_1_8=16382, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=16384, var_1_11=-2147483648, var_1_12=-2147483648, var_1_13=-2147483648, var_1_14=0, var_1_1=-1, var_1_4=-16383, var_1_5=16382, var_1_6=0, var_1_7=0, var_1_8=16382, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.60ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 128.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.07ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 125.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.50ms. Allocated memory is still 176.2MB. Free memory was 125.8MB in the beginning and 124.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 836.85ms. Allocated memory is still 176.2MB. Free memory was 124.4MB in the beginning and 88.8MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 698.02ms. Allocated memory was 176.2MB in the beginning and 266.3MB in the end (delta: 90.2MB). Free memory was 88.4MB in the beginning and 229.1MB in the end (delta: -140.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.53ms. Allocated memory is still 266.3MB. Free memory is still 229.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:52:53,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL --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 84717a5c2896f013826b4f3140ab30111b65bd200eaa9dc30a2a86e9a93af713 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:56,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:56,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:52:56,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:56,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:56,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:56,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:56,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:56,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:56,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:56,750 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:56,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:56,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:56,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:56,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:56,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:56,754 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:52:56,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:52:56,755 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:52:56,756 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:56,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:56,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:56,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:56,758 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:56,758 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:56,758 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:56,759 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:52:56,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:56,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:56,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:56,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:56,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:56,762 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:52:56,762 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:56,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:56,763 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:52:56,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:52:56,763 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_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84717a5c2896f013826b4f3140ab30111b65bd200eaa9dc30a2a86e9a93af713 [2023-11-19 02:52:57,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:57,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:57,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:57,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:57,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:57,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i [2023-11-19 02:53:00,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:00,530 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:00,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i [2023-11-19 02:53:00,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/data/8514901dc/9a8c4526587246f4a5122771dc132135/FLAG4de6ed7a6 [2023-11-19 02:53:00,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/data/8514901dc/9a8c4526587246f4a5122771dc132135 [2023-11-19 02:53:00,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:00,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:00,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:00,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:00,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:00,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:00,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db43670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00, skipping insertion in model container [2023-11-19 02:53:00,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:00,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:00,750 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_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i[916,929] [2023-11-19 02:53:00,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:00,807 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:00,821 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_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-67.i[916,929] [2023-11-19 02:53:00,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:00,862 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:00,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00 WrapperNode [2023-11-19 02:53:00,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:00,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:00,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:00,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:00,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:00,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:00,956 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-19 02:53:00,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:00,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:00,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:00,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:00,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:00,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:00,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:00,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:01,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:01,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:01,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:01,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:01,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:01,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:01,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:01,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:01,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:00" (1/1) ... [2023-11-19 02:53:01,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:01,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:01,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:01,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:01,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:01,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:53:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:53:01,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:53:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:01,262 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:01,265 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:01,704 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:01,862 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:01,862 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:53:01,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:01 BoogieIcfgContainer [2023-11-19 02:53:01,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:01,870 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:01,870 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:01,890 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:01,890 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:01" (1/1) ... [2023-11-19 02:53:01,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-19 02:53:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-19 02:53:01,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:53:01,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:01,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:01,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:01,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:01,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eebf8f-8f35-4788-8f94-4afeea1a9c6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:53:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:53:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:53:02,387 INFO L285 TraceCheckSpWp]: Computing forward predicates...