./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV --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 06e766f2b0fb57f78717a4ab927a7f5c398a4eef6e5769d710eaeddfb253f7dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:34,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:34,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:59:34,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:34,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:34,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:34,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:34,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:34,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:34,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:34,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:34,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:34,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:59:34,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:34,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:59:34,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:34,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:34,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:34,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:34,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:34,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:34,791 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:59:34,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:34,792 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:34,792 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:34,793 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:34,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:34,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:34,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:34,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:34,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:34,797 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:34,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:34,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:34,798 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_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06e766f2b0fb57f78717a4ab927a7f5c398a4eef6e5769d710eaeddfb253f7dd [2023-11-11 23:59:35,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:35,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:35,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:35,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:35,144 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:35,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-2.c [2023-11-11 23:59:38,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:38,766 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:38,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-2.c [2023-11-11 23:59:38,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/data/10870a5c9/a7be881b3de649bfbe42db976bdc25fe/FLAGcf9f16362 [2023-11-11 23:59:38,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/data/10870a5c9/a7be881b3de649bfbe42db976bdc25fe [2023-11-11 23:59:38,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:38,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:38,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:38,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:38,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:38,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:38" (1/1) ... [2023-11-11 23:59:38,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c65fb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:38, skipping insertion in model container [2023-11-11 23:59:38,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:38" (1/1) ... [2023-11-11 23:59:38,916 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:39,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:39,427 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:39,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:39,639 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:39,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39 WrapperNode [2023-11-11 23:59:39,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:39,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:39,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:39,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:39,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,792 INFO L138 Inliner]: procedures = 31, calls = 224, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 927 [2023-11-11 23:59:39,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:39,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:39,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:39,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:39,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:39,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:39,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:39,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:39,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:39" (1/1) ... [2023-11-11 23:59:39,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:39,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:39,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:40,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:59:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:59:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:59:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:59:40,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:40,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:59:40,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:40,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:40,213 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:40,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:40,242 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-11 23:59:44,325 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2023-11-11 23:59:44,326 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2023-11-11 23:59:44,326 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:44,777 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:44,778 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:59:44,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:44 BoogieIcfgContainer [2023-11-11 23:59:44,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:44,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:44,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:44,792 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:44,792 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:44" (1/1) ... [2023-11-11 23:59:44,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:44,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 213 transitions. [2023-11-11 23:59:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 213 transitions. [2023-11-11 23:59:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:59:44,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:44,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:45,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:55,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:00:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-12 00:00:05,498 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) [2023-11-12 00:00:05,502 INFO L158 Benchmark]: Toolchain (without parser) took 26684.55ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 98.8MB in the beginning and 109.6MB in the end (delta: -10.8MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:05,503 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 93.4MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:05,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.34ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 98.8MB in the beginning and 153.0MB in the end (delta: -54.2MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-11-12 00:00:05,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.76ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 147.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:00:05,505 INFO L158 Benchmark]: Boogie Preprocessor took 160.82ms. Allocated memory is still 190.8MB. Free memory was 147.2MB in the beginning and 139.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:00:05,506 INFO L158 Benchmark]: RCFGBuilder took 4826.09ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 139.6MB in the beginning and 105.0MB in the end (delta: 34.6MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-11-12 00:00:05,507 INFO L158 Benchmark]: CodeCheck took 20718.49ms. Allocated memory is still 230.7MB. Free memory was 105.0MB in the beginning and 109.6MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:05,510 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 0.61ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 93.4MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.34ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 98.8MB in the beginning and 153.0MB in the end (delta: -54.2MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.76ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 147.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.82ms. Allocated memory is still 190.8MB. Free memory was 147.2MB in the beginning and 139.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4826.09ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 139.6MB in the beginning and 105.0MB in the end (delta: 34.6MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * CodeCheck took 20718.49ms. Allocated memory is still 230.7MB. Free memory was 105.0MB in the beginning and 109.6MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:05,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV --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 06e766f2b0fb57f78717a4ab927a7f5c398a4eef6e5769d710eaeddfb253f7dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:08,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:08,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:00:08,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:08,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:08,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:08,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:08,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:08,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:08,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:08,345 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:08,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:08,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:08,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:08,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:08,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:08,349 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:08,349 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:08,350 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:08,351 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:08,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:08,352 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:08,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:08,352 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:08,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:08,353 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:08,354 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:08,354 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:08,355 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:08,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:08,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:08,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:08,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:08,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:08,358 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:08,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:08,358 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:08,358 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:08,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:08,360 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_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06e766f2b0fb57f78717a4ab927a7f5c398a4eef6e5769d710eaeddfb253f7dd [2023-11-12 00:00:08,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:08,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:08,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:08,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:08,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:08,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-2.c [2023-11-12 00:00:12,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:12,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:12,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/sv-benchmarks/c/openssl/s3_srvr.blast.10.i.cil-2.c [2023-11-12 00:00:12,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/data/8603e470e/82fff658277d47b68fd5cc878ab969c1/FLAG794ca9710 [2023-11-12 00:00:12,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/data/8603e470e/82fff658277d47b68fd5cc878ab969c1 [2023-11-12 00:00:12,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:12,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:12,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:12,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:12,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:12,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:12" (1/1) ... [2023-11-12 00:00:12,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2e97a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:12, skipping insertion in model container [2023-11-12 00:00:12,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:12" (1/1) ... [2023-11-12 00:00:12,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:13,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:13,106 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:00:13,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:13,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:13,296 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:13,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:13,418 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:13,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13 WrapperNode [2023-11-12 00:00:13,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:13,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:13,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:13,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:13,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,545 INFO L138 Inliner]: procedures = 35, calls = 224, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 805 [2023-11-12 00:00:13,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:13,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:13,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:13,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:13,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:13,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:13,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:13,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:13,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:13" (1/1) ... [2023-11-12 00:00:13,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:13,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:13,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:13,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:00:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:00:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:00:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:00:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:00:13,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:13,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:13,929 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 00:00:32,005 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-11-12 00:00:32,005 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-11-12 00:00:32,005 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:32,378 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:32,378 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:00:32,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:32 BoogieIcfgContainer [2023-11-12 00:00:32,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:32,383 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:32,383 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:32,393 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:32,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:00:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 213 transitions. [2023-11-12 00:00:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 213 transitions. [2023-11-12 00:00:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-12 00:00:32,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:32,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:00:32,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:00:32,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:00:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:33,182 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:00:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:33,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:00:33,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:33,749 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:00:33,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e33913-e8cf-40f4-a79e-957a526fdb9e/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0