./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_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_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/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_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/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_d2e9218e-d5c4-4a2b-a842-bc11db621738/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 d607f3879345041e6460d015c785fbf73afb45a0aff70b1106cf7b1382739630 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:16,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:16,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:43:16,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:16,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:16,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:16,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:16,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:16,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:16,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:16,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:16,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:16,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:16,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:16,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:16,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:16,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:16,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:16,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:16,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:16,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:16,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:16,185 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:16,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:16,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:16,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:16,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:16,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:16,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:16,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:16,191 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:16,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:16,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:16,193 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_d2e9218e-d5c4-4a2b-a842-bc11db621738/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d607f3879345041e6460d015c785fbf73afb45a0aff70b1106cf7b1382739630 [2023-11-19 03:43:16,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:16,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:16,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:16,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:16,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:16,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i [2023-11-19 03:43:20,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:20,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:20,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i [2023-11-19 03:43:20,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/data/7497ddee4/d12881d9e19a407ab091059eb269c5f0/FLAG5821c64cf [2023-11-19 03:43:20,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/data/7497ddee4/d12881d9e19a407ab091059eb269c5f0 [2023-11-19 03:43:20,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:20,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:20,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:20,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:20,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:20,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:20,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58397c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20, skipping insertion in model container [2023-11-19 03:43:20,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:20,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:20,688 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_d2e9218e-d5c4-4a2b-a842-bc11db621738/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i[915,928] [2023-11-19 03:43:20,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:20,835 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:20,857 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_d2e9218e-d5c4-4a2b-a842-bc11db621738/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i[915,928] [2023-11-19 03:43:20,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:20,916 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:20,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20 WrapperNode [2023-11-19 03:43:20,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:20,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:20,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:20,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:20,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:20,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,002 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-19 03:43:21,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:21,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:21,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:21,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:21,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:21,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:21,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:21,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:21,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:20" (1/1) ... [2023-11-19 03:43:21,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:21,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:21,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:21,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:43:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:43:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:21,359 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:21,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:21,855 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:22,170 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:22,170 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:43:22,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:22 BoogieIcfgContainer [2023-11-19 03:43:22,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:22,178 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:22,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:22,191 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:22,192 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:22" (1/1) ... [2023-11-19 03:43:22,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:22,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 03:43:22,279 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 03:43:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:43:22,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:22,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:22,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:43:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:22,788 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:43:22,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:43:22 ImpRootNode [2023-11-19 03:43:22,914 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:43:22,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:43:22,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:43:22,915 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:43:22,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:22" (3/4) ... [2023-11-19 03:43:22,918 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:43:22,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:43:22,937 INFO L158 Benchmark]: Toolchain (without parser) took 2504.48ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 95.5MB in the beginning and 152.6MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:22,937 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:22,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.71ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 82.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:43:22,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.18ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 78.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:43:22,940 INFO L158 Benchmark]: Boogie Preprocessor took 103.11ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 76.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:43:22,941 INFO L158 Benchmark]: RCFGBuilder took 1068.71ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 76.7MB in the beginning and 117.5MB in the end (delta: -40.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-19 03:43:22,942 INFO L158 Benchmark]: CodeCheck took 736.24ms. Allocated memory is still 186.6MB. Free memory was 117.5MB in the beginning and 152.6MB in the end (delta: -35.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:43:22,942 INFO L158 Benchmark]: Witness Printer took 21.02ms. Allocated memory is still 186.6MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:22,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 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 someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of bitwiseOr at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 1; [L26] unsigned char var_1_8 = 32; [L27] double var_1_9 = 4.6; [L28] double var_1_10 = 9.25; [L29] double var_1_11 = 1.25; [L30] unsigned char var_1_12 = 100; [L31] unsigned char var_1_13 = 64; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 7.5; [L34] signed long int var_1_16 = 0; [L35] double last_1_var_1_9 = 4.6; [L36] unsigned char last_1_var_1_12 = 100; [L37] unsigned char last_1_var_1_14 = 0; [L38] signed long int last_1_var_1_16 = 0; [L118] isInitial = 1 [L119] FCALL initially() [L120] int k_loop; [L121] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L121] COND TRUE k_loop < 1 [L122] CALL updateLastVariables() [L108] last_1_var_1_9 = var_1_9 [L109] last_1_var_1_12 = var_1_12 [L110] last_1_var_1_14 = var_1_14 [L111] last_1_var_1_16 = var_1_16 [L122] RET updateLastVariables() [L123] CALL updateVariables() [L91] var_1_5 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L93] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L94] var_1_7 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L96] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L97] var_1_8 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L99] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L100] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L101] var_1_10 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L103] var_1_13 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=2, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=2, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L105] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=2, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=2, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=33, var_1_9=23/5] [L123] RET updateVariables() [L124] CALL step() [L42] signed long int stepLocal_4 = last_1_var_1_16; [L43] COND FALSE !(\read(last_1_var_1_14)) [L54] var_1_12 = var_1_13 [L56] var_1_16 = last_1_var_1_12 [L57] unsigned long int stepLocal_6 = var_1_13 % (5u + 256u); [L58] signed long int stepLocal_5 = var_1_13 + 16; [L59] COND TRUE stepLocal_6 <= var_1_16 [L60] COND FALSE !(stepLocal_5 >= var_1_16) [L63] var_1_14 = var_1_7 [L66] unsigned char stepLocal_0 = var_1_12; [L67] EXPR var_1_12 ^ var_1_12 [L67] COND FALSE !(stepLocal_0 <= (var_1_12 ^ var_1_12)) [L70] var_1_1 = (! var_1_5) [L72] unsigned char stepLocal_2 = var_1_12 < (var_1_16 / var_1_8); [L73] signed long int stepLocal_1 = var_1_16; [L74] COND FALSE !(-256 >= stepLocal_1) [L77] COND TRUE stepLocal_2 || ((var_1_5 && var_1_7) && var_1_1) [L78] var_1_6 = var_1_7 [L81] unsigned char stepLocal_3 = ! var_1_5; [L82] COND TRUE (var_1_7 && var_1_14) || stepLocal_3 [L83] var_1_11 = var_1_10 [L85] var_1_15 = var_1_10 [L86] COND TRUE ((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8) [L87] var_1_9 = var_1_10 [L124] RET step() [L125] CALL, EXPR property() [L114] EXPR var_1_12 ^ var_1_12 [L114-L115] return ((((((((var_1_12 <= (var_1_12 ^ var_1_12)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_16) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_12 < (var_1_16 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_14) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (last_1_var_1_14 ? ((var_1_10 >= (- last_1_var_1_9)) ? ((var_1_8 != last_1_var_1_16) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_16) ? (((var_1_13 + 16) >= var_1_16) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) last_1_var_1_12)) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=33, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=1, var_1_15=2, var_1_16=100, var_1_1=1, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=33, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.71ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 82.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.18ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 78.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.11ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 76.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1068.71ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 76.7MB in the beginning and 117.5MB in the end (delta: -40.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * CodeCheck took 736.24ms. Allocated memory is still 186.6MB. Free memory was 117.5MB in the beginning and 152.6MB in the end (delta: -35.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 21.02ms. Allocated memory is still 186.6MB. Free memory is still 152.6MB. 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 03:43:23,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/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_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/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_d2e9218e-d5c4-4a2b-a842-bc11db621738/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 d607f3879345041e6460d015c785fbf73afb45a0aff70b1106cf7b1382739630 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:26,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:26,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:43:26,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:26,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:26,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:26,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:26,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:26,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:26,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:26,421 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:26,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:26,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:26,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:26,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:26,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:26,426 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:43:26,427 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:43:26,428 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:43:26,429 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:26,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:26,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:26,431 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:26,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:26,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:26,433 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:26,433 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:43:26,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:26,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:26,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:26,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:26,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:26,438 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:43:26,438 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:26,439 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:26,439 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:43:26,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:43:26,439 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_d2e9218e-d5c4-4a2b-a842-bc11db621738/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d607f3879345041e6460d015c785fbf73afb45a0aff70b1106cf7b1382739630 [2023-11-19 03:43:27,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:27,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:27,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:27,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:27,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:27,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i [2023-11-19 03:43:30,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:31,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:31,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i [2023-11-19 03:43:31,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/data/757786e5b/7746cff738e548e4bddacf9f75dbd517/FLAGb9a9d3a16 [2023-11-19 03:43:31,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/data/757786e5b/7746cff738e548e4bddacf9f75dbd517 [2023-11-19 03:43:31,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:31,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:31,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:31,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:31,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:31,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b26e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31, skipping insertion in model container [2023-11-19 03:43:31,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:31,565 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_d2e9218e-d5c4-4a2b-a842-bc11db621738/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i[915,928] [2023-11-19 03:43:31,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:31,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:31,661 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_d2e9218e-d5c4-4a2b-a842-bc11db621738/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-68.i[915,928] [2023-11-19 03:43:31,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:31,717 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:31,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31 WrapperNode [2023-11-19 03:43:31,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:31,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:31,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:31,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:31,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,795 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-19 03:43:31,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:31,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:31,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:31,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:31,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:31,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:31,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:31,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:31,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:31" (1/1) ... [2023-11-19 03:43:31,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:31,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:32,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:32,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:43:32,036 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:43:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:43:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:32,171 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:32,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:33,302 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:33,560 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:33,560 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:43:33,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:33 BoogieIcfgContainer [2023-11-19 03:43:33,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:33,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:33,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:33,581 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:33,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:33" (1/1) ... [2023-11-19 03:43:33,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 03:43:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 03:43:33,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:43:33,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:33,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:43:33,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:43:33,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:43:33,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9218e-d5c4-4a2b-a842-bc11db621738/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:43:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:34,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:43:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:34,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:43:34,892 INFO L285 TraceCheckSpWp]: Computing forward predicates...