./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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 a4fd4ec86d0542e34aa772f57fe8fd3f67e11de6063cb3b9506f2b9e03dc2d5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:19,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:19,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:50:19,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:19,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:19,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:19,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:19,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:19,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:19,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:19,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:19,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:19,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:19,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:19,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:19,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:19,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:19,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:19,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:19,298 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:19,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:19,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:19,304 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:19,304 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:19,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:19,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:19,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:19,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:19,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:19,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:19,313 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:19,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:19,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:19,313 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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4fd4ec86d0542e34aa772f57fe8fd3f67e11de6063cb3b9506f2b9e03dc2d5e [2023-11-19 02:50:19,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:19,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:19,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:19,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:19,609 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:19,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i [2023-11-19 02:50:22,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:22,923 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:22,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i [2023-11-19 02:50:22,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/data/0567c93de/e5399cc0937c4b62a1f8326d5c6b41d5/FLAGacfe6313e [2023-11-19 02:50:22,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/data/0567c93de/e5399cc0937c4b62a1f8326d5c6b41d5 [2023-11-19 02:50:22,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:22,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:22,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:22,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:22,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:22,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd84c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22, skipping insertion in model container [2023-11-19 02:50:22,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:23,016 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:23,196 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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i[915,928] [2023-11-19 02:50:23,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:23,242 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:23,255 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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i[915,928] [2023-11-19 02:50:23,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:23,291 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:23,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23 WrapperNode [2023-11-19 02:50:23,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:23,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:23,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:23,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:23,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,334 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2023-11-19 02:50:23,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:23,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:23,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:23,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:23,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:23,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:23,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:23,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:23,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:23,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:23,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:23,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:50:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:50:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:23,627 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:23,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:23,892 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:24,138 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:24,138 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:50:24,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:24 BoogieIcfgContainer [2023-11-19 02:50:24,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:24,147 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:24,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:24,159 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:24,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:24" (1/1) ... [2023-11-19 02:50:24,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-19 02:50:24,225 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-19 02:50:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:50:24,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:24,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:24,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:50:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:24,568 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:50:24,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:50:24 ImpRootNode [2023-11-19 02:50:24,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:50:24,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:50:24,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:50:24,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:50:24,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:24" (3/4) ... [2023-11-19 02:50:24,643 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:50:24,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:50:24,646 INFO L158 Benchmark]: Toolchain (without parser) took 1686.56ms. Allocated memory is still 188.7MB. Free memory was 156.5MB in the beginning and 98.4MB in the end (delta: 58.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,646 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:24,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.63ms. Allocated memory is still 188.7MB. Free memory was 156.3MB in the beginning and 147.9MB in the end (delta: 8.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.71ms. Allocated memory is still 188.7MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,650 INFO L158 Benchmark]: Boogie Preprocessor took 29.45ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 143.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,651 INFO L158 Benchmark]: RCFGBuilder took 780.90ms. Allocated memory is still 188.7MB. Free memory was 143.7MB in the beginning and 124.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,652 INFO L158 Benchmark]: CodeCheck took 489.99ms. Allocated memory is still 188.7MB. Free memory was 124.7MB in the beginning and 99.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,653 INFO L158 Benchmark]: Witness Printer took 7.60ms. Allocated memory is still 188.7MB. Free memory was 99.4MB in the beginning and 98.4MB in the end (delta: 966.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,662 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, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 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 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 39, overapproximation of shiftRight at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] float var_1_2 = 64.5; [L24] float var_1_3 = 16.8; [L25] signed long int var_1_8 = 10; [L26] signed long int var_1_9 = 25; [L27] double var_1_10 = 0.75; [L28] signed long int var_1_11 = 2; [L29] signed long int var_1_12 = 32; [L30] unsigned char var_1_13 = 0; [L31] unsigned char var_1_14 = 0; [L32] double var_1_15 = 50.2; [L33] signed long int last_1_var_1_9 = 25; [L34] double last_1_var_1_10 = 0.75; [L98] isInitial = 1 [L99] FCALL initially() [L100] int k_loop; [L101] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=25] [L101] COND TRUE k_loop < 1 [L102] CALL updateLastVariables() [L90] last_1_var_1_9 = var_1_9 [L91] last_1_var_1_10 = var_1_10 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=84/5, var_1_8=10, var_1_9=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=84/5, var_1_8=10, var_1_9=25] [L68] var_1_3 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=10, var_1_9=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=10, var_1_9=25] [L70] var_1_8 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L72] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L74] var_1_11 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L76] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L77] var_1_12 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L79] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L80] var_1_13 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L82] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L83] var_1_14 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L85] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L86] var_1_15 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=32, var_1_3=2, var_1_8=51, var_1_9=25] [L103] RET updateVariables() [L104] CALL step() [L38] signed long int stepLocal_0 = last_1_var_1_9 + last_1_var_1_9; [L39] COND TRUE (var_1_2 - var_1_3) >= last_1_var_1_10 [L40] COND TRUE stepLocal_0 >= (last_1_var_1_9 / var_1_8) [L41] var_1_1 = last_1_var_1_9 [L46] signed long int stepLocal_2 = var_1_1; [L47] signed long int stepLocal_1 = var_1_1; [L48] EXPR var_1_8 >> last_1_var_1_9 [L48] COND FALSE !((var_1_8 >> last_1_var_1_9) > stepLocal_1) [L55] var_1_9 = last_1_var_1_9 [L57] COND TRUE ((((var_1_9) > (var_1_1)) ? (var_1_9) : (var_1_1))) == (var_1_9 * (var_1_11 - var_1_12)) [L58] COND TRUE var_1_13 || var_1_14 [L59] var_1_10 = var_1_15 [L104] RET step() [L105] CALL, EXPR property() [L94] EXPR (((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9))) [L94] EXPR var_1_8 >> last_1_var_1_9 [L94] EXPR (((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9))) [L94-L95] return ((((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9)))) && ((((((var_1_9) > (var_1_1)) ? (var_1_9) : (var_1_1))) == (var_1_9 * (var_1_11 - var_1_12))) ? ((var_1_13 || var_1_14) ? (var_1_10 == ((double) var_1_15)) : (var_1_10 == ((double) var_1_15))) : 1) ; [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_10=3/4, last_1_var_1_9=25, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=51, var_1_9=25] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=51, var_1_9=25] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.63ms. Allocated memory is still 188.7MB. Free memory was 156.3MB in the beginning and 147.9MB in the end (delta: 8.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.71ms. Allocated memory is still 188.7MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.45ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 143.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 780.90ms. Allocated memory is still 188.7MB. Free memory was 143.7MB in the beginning and 124.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 489.99ms. Allocated memory is still 188.7MB. Free memory was 124.7MB in the beginning and 99.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 7.60ms. Allocated memory is still 188.7MB. Free memory was 99.4MB in the beginning and 98.4MB in the end (delta: 966.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:50:24,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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 a4fd4ec86d0542e34aa772f57fe8fd3f67e11de6063cb3b9506f2b9e03dc2d5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:27,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:27,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:50:27,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:27,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:27,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:27,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:27,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:27,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:27,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:27,215 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:27,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:27,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:27,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:27,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:27,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:27,218 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:50:27,218 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:50:27,219 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:50:27,219 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:27,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:27,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:27,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:27,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:27,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:27,222 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:27,222 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:50:27,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:27,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:27,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:27,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:27,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:27,225 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:50:27,225 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:27,225 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:27,225 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:50:27,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:50:27,226 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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4fd4ec86d0542e34aa772f57fe8fd3f67e11de6063cb3b9506f2b9e03dc2d5e [2023-11-19 02:50:27,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:27,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:27,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:27,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:27,642 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:27,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i [2023-11-19 02:50:30,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:31,175 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:31,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i [2023-11-19 02:50:31,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/data/78f2249af/6bf3821933f644e3acf6ac2f6e11400a/FLAG42ef596be [2023-11-19 02:50:31,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/data/78f2249af/6bf3821933f644e3acf6ac2f6e11400a [2023-11-19 02:50:31,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:31,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:31,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:31,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:31,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:31,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ebece7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31, skipping insertion in model container [2023-11-19 02:50:31,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:31,421 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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i[915,928] [2023-11-19 02:50:31,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:31,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:31,492 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_6be8d039-b3ed-4207-b360-8ba3b7c2e518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-68.i[915,928] [2023-11-19 02:50:31,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:31,541 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:31,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31 WrapperNode [2023-11-19 02:50:31,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:31,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:31,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:31,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:31,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,598 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-19 02:50:31,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:31,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:31,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:31,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:31,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:31,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:31,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:31,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:31,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:31,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:31,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:31,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:50:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:50:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:50:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:31,793 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:31,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:33,192 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:33,408 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:33,411 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:50:33,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:33 BoogieIcfgContainer [2023-11-19 02:50:33,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:33,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:33,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:33,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:33,432 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:33,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:33,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-19 02:50:33,500 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-19 02:50:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:50:33,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:33,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:33,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:50:33,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:50:33,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be8d039-b3ed-4207-b360-8ba3b7c2e518/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:50:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:34,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:50:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:34,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:50:34,587 INFO L285 TraceCheckSpWp]: Computing forward predicates...