./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.13.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.13.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi --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 58a6b373d05d29cc87bb425c83b649cc4007a71cb802ce7ef5b6914b7a7817df --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:34,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:34,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:11:34,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:34,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:34,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:34,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:34,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:34,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:34,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:34,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:34,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:34,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:34,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:34,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:34,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:34,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:34,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:34,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:34,776 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:11:34,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:11:34,777 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:34,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:34,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:34,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:34,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:34,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:34,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:34,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:34,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:34,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:34,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:34,785 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:34,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:34,786 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:34,786 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_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58a6b373d05d29cc87bb425c83b649cc4007a71cb802ce7ef5b6914b7a7817df [2023-11-24 23:11:35,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:35,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:35,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:35,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:35,258 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:35,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/openssl/s3_srvr.blast.13.i.cil-1.c [2023-11-24 23:11:38,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:39,203 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:39,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/sv-benchmarks/c/openssl/s3_srvr.blast.13.i.cil-1.c [2023-11-24 23:11:39,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/data/74470a3b0/2e26005d07344d39a7a014339c49be5a/FLAGaea573bbe [2023-11-24 23:11:39,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/data/74470a3b0/2e26005d07344d39a7a014339c49be5a [2023-11-24 23:11:39,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:39,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:39,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:39,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:39,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:39,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:39" (1/1) ... [2023-11-24 23:11:39,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1791b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:39, skipping insertion in model container [2023-11-24 23:11:39,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:39" (1/1) ... [2023-11-24 23:11:39,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:40,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:40,055 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:40,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:40,259 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:40,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40 WrapperNode [2023-11-24 23:11:40,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:40,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:40,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:40,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:40,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,403 INFO L138 Inliner]: procedures = 31, calls = 224, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 932 [2023-11-24 23:11:40,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:40,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:40,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:40,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:40,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:40,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:40,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:40,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:40,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:40" (1/1) ... [2023-11-24 23:11:40,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:40,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:40,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:40,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:11:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:11:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:11:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:11:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:11:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:41,014 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:41,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:41,042 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:11:45,567 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2023-11-24 23:11:45,567 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2023-11-24 23:11:45,567 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:46,006 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:46,007 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:46,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:46 BoogieIcfgContainer [2023-11-24 23:11:46,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:46,010 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:46,010 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:46,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:46,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 135 states and 216 transitions. [2023-11-24 23:11:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 216 transitions. [2023-11-24 23:11:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:11:46,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:46,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:47,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:51,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:12:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 23:12:01,522 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) [2023-11-24 23:12:01,526 INFO L158 Benchmark]: Toolchain (without parser) took 22230.93ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 117.0MB in the beginning and 115.3MB in the end (delta: 1.7MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-11-24 23:12:01,527 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 130.0MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:01,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.95ms. Allocated memory is still 159.4MB. Free memory was 117.0MB in the beginning and 83.9MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 23:12:01,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.05ms. Allocated memory is still 159.4MB. Free memory was 83.9MB in the beginning and 78.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:12:01,530 INFO L158 Benchmark]: Boogie Preprocessor took 156.34ms. Allocated memory is still 159.4MB. Free memory was 78.7MB in the beginning and 71.3MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:12:01,531 INFO L158 Benchmark]: RCFGBuilder took 5444.57ms. Allocated memory is still 159.4MB. Free memory was 70.9MB in the beginning and 77.3MB in the end (delta: -6.4MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:01,532 INFO L158 Benchmark]: CodeCheck took 15515.01ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 76.2MB in the beginning and 115.3MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:01,536 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 0.41ms. Allocated memory is still 130.0MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.95ms. Allocated memory is still 159.4MB. Free memory was 117.0MB in the beginning and 83.9MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.05ms. Allocated memory is still 159.4MB. Free memory was 83.9MB in the beginning and 78.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.34ms. Allocated memory is still 159.4MB. Free memory was 78.7MB in the beginning and 71.3MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5444.57ms. Allocated memory is still 159.4MB. Free memory was 70.9MB in the beginning and 77.3MB in the end (delta: -6.4MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * CodeCheck took 15515.01ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 76.2MB in the beginning and 115.3MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:12:01,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.13.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi --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 58a6b373d05d29cc87bb425c83b649cc4007a71cb802ce7ef5b6914b7a7817df --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:04,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:04,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:12:04,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:04,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:04,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:04,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:04,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:04,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:04,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:04,750 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:04,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:04,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:04,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:04,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:04,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:04,754 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:12:04,755 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:12:04,755 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:04,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:12:04,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:04,758 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:04,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:04,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:04,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:04,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:04,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:04,761 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:04,761 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:12:04,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:04,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:04,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:04,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:04,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:04,765 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:12:04,765 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:04,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:04,765 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:12:04,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:12:04,767 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_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58a6b373d05d29cc87bb425c83b649cc4007a71cb802ce7ef5b6914b7a7817df [2023-11-24 23:12:05,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:05,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:05,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:05,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:05,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:05,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/openssl/s3_srvr.blast.13.i.cil-1.c [2023-11-24 23:12:08,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:09,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:09,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/sv-benchmarks/c/openssl/s3_srvr.blast.13.i.cil-1.c [2023-11-24 23:12:09,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/data/5bad131e7/9d04c59bb42948e788b91dcf42e9e483/FLAG511ecff5e [2023-11-24 23:12:09,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/data/5bad131e7/9d04c59bb42948e788b91dcf42e9e483 [2023-11-24 23:12:09,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:09,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:09,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:09,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:09,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:09,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d794951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09, skipping insertion in model container [2023-11-24 23:12:09,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:10,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:10,231 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:12:10,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:10,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:10,494 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:10,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:10,686 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:10,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10 WrapperNode [2023-11-24 23:12:10,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:10,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:10,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:10,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:10,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,805 INFO L138 Inliner]: procedures = 35, calls = 224, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 810 [2023-11-24 23:12:10,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:10,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:10,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:10,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:10,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:10,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:10,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:10,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:10,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:10,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:10,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:11,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:12:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:12:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:12:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:12:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:12:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:12:11,284 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:11,286 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:11,320 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:12:29,960 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-11-24 23:12:29,960 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-11-24 23:12:29,961 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:30,300 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:30,301 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:12:30,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:30 BoogieIcfgContainer [2023-11-24 23:12:30,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:30,304 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:30,304 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:30,315 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:30,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:30" (1/1) ... [2023-11-24 23:12:30,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:30,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:30,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 135 states and 216 transitions. [2023-11-24 23:12:30,409 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 216 transitions. [2023-11-24 23:12:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:12:30,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:30,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:30,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:30,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:30,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:12:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:31,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:31,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:31,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:31,685 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:12:31,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d5d64c3-f9d7-4d2e-81de-082c4f4ef408/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0