./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/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_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46dd66c9a206199cd5bc220ec6fbc33cff9c3bf85e99aafe68b123163a041adf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:49,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:50,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:12:50,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:12:50,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:12:50,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:50,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:12:50,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:12:50,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:50,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:50,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:50,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:12:50,143 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:50,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:50,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:50,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:50,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:12:50,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:50,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:12:50,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:12:50,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:12:50,148 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:50,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:12:50,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:50,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:50,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:50,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:50,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:50,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:50,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:50,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:50,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:12:50,154 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:12:50,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:12:50,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:12:50,155 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_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46dd66c9a206199cd5bc220ec6fbc33cff9c3bf85e99aafe68b123163a041adf [2023-11-19 03:12:50,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:50,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:50,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:50,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:50,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:50,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-2.c [2023-11-19 03:12:53,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:12:53,957 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:12:53,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-2.c [2023-11-19 03:12:53,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/data/9fa585c4c/2c0cfbe27bf34c36a40fc039e46c2a12/FLAGbdc447f22 [2023-11-19 03:12:54,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/data/9fa585c4c/2c0cfbe27bf34c36a40fc039e46c2a12 [2023-11-19 03:12:54,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:12:54,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:12:54,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:54,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:12:54,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:12:54,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:54,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59353baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54, skipping insertion in model container [2023-11-19 03:12:54,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:54,103 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:12:54,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:54,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:12:54,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:54,773 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:12:54,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54 WrapperNode [2023-11-19 03:12:54,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:54,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:54,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:12:54,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:12:54,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:54,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:54,926 INFO L138 Inliner]: procedures = 31, calls = 218, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 848 [2023-11-19 03:12:54,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:54,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:12:54,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:12:54,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:12:54,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:54,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:54,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:54,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:55,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:55,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:55,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:55,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:55,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:12:55,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:12:55,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:12:55,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:12:55,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:55,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:55,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:12:55,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:12:55,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:12:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:12:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:12:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:12:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:12:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:12:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:12:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:12:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:12:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:12:55,317 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:12:55,320 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:12:55,345 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:12:57,870 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2023-11-19 03:12:57,871 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2023-11-19 03:12:57,871 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:12:58,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:12:58,343 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:12:58,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:58 BoogieIcfgContainer [2023-11-19 03:12:58,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:12:58,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:12:58,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:12:58,364 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:12:58,366 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:58" (1/1) ... [2023-11-19 03:12:58,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:12:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 111 states and 174 transitions. [2023-11-19 03:12:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 174 transitions. [2023-11-19 03:12:58,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:12:58,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:58,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:12:59,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:12:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:13:09,823 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:13:09,827 INFO L158 Benchmark]: Toolchain (without parser) took 15815.38ms. Allocated memory was 140.5MB in the beginning and 232.8MB in the end (delta: 92.3MB). Free memory was 94.8MB in the beginning and 177.2MB in the end (delta: -82.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-19 03:13:09,827 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:09,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.31ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 63.9MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:13:09,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.30ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 63.9MB in the beginning and 160.0MB in the end (delta: -96.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-19 03:13:09,829 INFO L158 Benchmark]: Boogie Preprocessor took 100.49ms. Allocated memory is still 192.9MB. Free memory was 160.0MB in the beginning and 154.1MB in the end (delta: 5.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-19 03:13:09,830 INFO L158 Benchmark]: RCFGBuilder took 3324.92ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 154.1MB in the beginning and 141.3MB in the end (delta: 12.8MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2023-11-19 03:13:09,831 INFO L158 Benchmark]: CodeCheck took 11471.06ms. Allocated memory is still 232.8MB. Free memory was 141.3MB in the beginning and 177.2MB in the end (delta: -35.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:09,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.31ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 63.9MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.30ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 63.9MB in the beginning and 160.0MB in the end (delta: -96.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.49ms. Allocated memory is still 192.9MB. Free memory was 160.0MB in the beginning and 154.1MB in the end (delta: 5.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3324.92ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 154.1MB in the beginning and 141.3MB in the end (delta: 12.8MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. * CodeCheck took 11471.06ms. Allocated memory is still 232.8MB. Free memory was 141.3MB in the beginning and 177.2MB in the end (delta: -35.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:13:09,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/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_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/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_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46dd66c9a206199cd5bc220ec6fbc33cff9c3bf85e99aafe68b123163a041adf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:12,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:12,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:13:12,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:12,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:12,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:12,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:12,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:12,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:12,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:12,914 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:12,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:12,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:12,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:12,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:12,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:12,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:13:12,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:13:12,920 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:13:12,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:13:12,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:13:12,923 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:12,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:12,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:12,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:12,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:12,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:12,926 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:12,926 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:12,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:12,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:12,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:12,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:12,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:12,930 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:13:12,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:12,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:12,931 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:13:12,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:12,933 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_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46dd66c9a206199cd5bc220ec6fbc33cff9c3bf85e99aafe68b123163a041adf [2023-11-19 03:13:13,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:13,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:13,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:13,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:13,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:13,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-2.c [2023-11-19 03:13:16,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:16,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:16,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-2.c [2023-11-19 03:13:17,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/data/1175e73f9/2eaa0175232d4394aca91f257622b76f/FLAGa52bc8208 [2023-11-19 03:13:17,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/data/1175e73f9/2eaa0175232d4394aca91f257622b76f [2023-11-19 03:13:17,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:17,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:17,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:17,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:17,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:17,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:17,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6897e17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17, skipping insertion in model container [2023-11-19 03:13:17,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:17,135 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:17,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:17,671 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:13:17,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:17,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:17,786 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:17,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:17,974 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:17,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17 WrapperNode [2023-11-19 03:13:17,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:17,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:17,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:17,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:17,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,056 INFO L138 Inliner]: procedures = 35, calls = 218, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 736 [2023-11-19 03:13:18,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:18,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:18,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:18,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:18,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:18,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:18,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:18,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:18,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:17" (1/1) ... [2023-11-19 03:13:18,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:18,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:18,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:18,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:13:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:13:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:13:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:13:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:13:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:13:18,526 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:18,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:18,563 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:13:35,531 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2023-11-19 03:13:35,531 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2023-11-19 03:13:35,532 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:36,015 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:36,015 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:13:36,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:36 BoogieIcfgContainer [2023-11-19 03:13:36,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:36,024 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:36,024 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:36,034 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:36,035 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 111 states and 174 transitions. [2023-11-19 03:13:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 174 transitions. [2023-11-19 03:13:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:13:36,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:36,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:36,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:13:36,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:13:36,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:13:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:36,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:13:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:37,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:37,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:37,382 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:13:37,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:13:47,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 110 states and 173 transitions. [2023-11-19 03:13:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 173 transitions. [2023-11-19 03:13:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:13:47,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:47,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:47,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:13:47,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:13:47,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed5d535-7eef-457e-a6d9-f1f1dc925b6d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process