./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9 --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 a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:20:07,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:20:07,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:20:07,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:20:07,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:20:07,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:20:07,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:20:07,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:20:07,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:20:07,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:20:07,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:20:07,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:20:07,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:20:07,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:20:07,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:20:07,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:20:07,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:20:07,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:20:07,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:20:07,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:20:07,908 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:20:07,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:20:07,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:20:07,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:20:07,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:20:07,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:20:07,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:20:07,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:20:07,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:07,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:20:07,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:20:07,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:20:07,913 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:20:07,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:20:07,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:20:07,914 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_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 [2023-12-02 23:20:08,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:20:08,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:20:08,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:20:08,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:20:08,132 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:20:08,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2023-12-02 23:20:10,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:20:11,146 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:20:11,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2023-12-02 23:20:11,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/data/3fe97f289/b7f6cf79c07a46a09c536e0ee9e95835/FLAG74101839a [2023-12-02 23:20:11,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/data/3fe97f289/b7f6cf79c07a46a09c536e0ee9e95835 [2023-12-02 23:20:11,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:20:11,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:20:11,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:20:11,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:20:11,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:20:11,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b29496c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11, skipping insertion in model container [2023-12-02 23:20:11,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:20:11,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:11,590 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:20:11,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:11,720 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:20:11,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11 WrapperNode [2023-12-02 23:20:11,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:20:11,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:20:11,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:20:11,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:20:11,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,802 INFO L138 Inliner]: procedures = 31, calls = 224, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 929 [2023-12-02 23:20:11,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:20:11,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:20:11,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:20:11,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:20:11,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:20:11,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:20:11,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:20:11,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:20:11,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:11" (1/1) ... [2023-12-02 23:20:11,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:11,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:20:11,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:20:11,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:20:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:20:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:20:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:20:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:20:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:20:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:20:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:20:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:20:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:20:12,142 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:20:12,144 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:20:12,165 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 23:20:15,858 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2023-12-02 23:20:15,859 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2023-12-02 23:20:15,859 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:20:16,136 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:20:16,137 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:20:16,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:16 BoogieIcfgContainer [2023-12-02 23:20:16,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:20:16,140 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:20:16,140 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:20:16,150 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:20:16,150 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:16" (1/1) ... [2023-12-02 23:20:16,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:20:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 135 states and 215 transitions. [2023-12-02 23:20:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 215 transitions. [2023-12-02 23:20:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:20:16,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:16,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:20:16,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:20:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:20:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:20:20,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:20:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:20:30,147 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) [2023-12-02 23:20:30,151 INFO L158 Benchmark]: Toolchain (without parser) took 18968.75ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 136.2MB in the beginning and 144.6MB in the end (delta: -8.4MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2023-12-02 23:20:30,152 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:20:30,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.73ms. Allocated memory is still 176.2MB. Free memory was 136.2MB in the beginning and 103.5MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 23:20:30,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.48ms. Allocated memory is still 176.2MB. Free memory was 103.5MB in the beginning and 98.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:20:30,154 INFO L158 Benchmark]: Boogie Preprocessor took 79.25ms. Allocated memory is still 176.2MB. Free memory was 98.4MB in the beginning and 90.6MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:20:30,154 INFO L158 Benchmark]: RCFGBuilder took 4255.56ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 90.6MB in the beginning and 114.5MB in the end (delta: -23.9MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2023-12-02 23:20:30,155 INFO L158 Benchmark]: CodeCheck took 14010.34ms. Allocated memory is still 257.9MB. Free memory was 114.5MB in the beginning and 144.6MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:20:30,158 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 0.18ms. Allocated memory is still 94.4MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.73ms. Allocated memory is still 176.2MB. Free memory was 136.2MB in the beginning and 103.5MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.48ms. Allocated memory is still 176.2MB. Free memory was 103.5MB in the beginning and 98.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.25ms. Allocated memory is still 176.2MB. Free memory was 98.4MB in the beginning and 90.6MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4255.56ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 90.6MB in the beginning and 114.5MB in the end (delta: -23.9MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * CodeCheck took 14010.34ms. Allocated memory is still 257.9MB. Free memory was 114.5MB in the beginning and 144.6MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:20:30,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/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_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9 --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 a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:20:32,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:20:32,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:20:32,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:20:32,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:20:32,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:20:32,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:20:32,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:20:32,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:20:32,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:20:32,243 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:20:32,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:20:32,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:20:32,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:20:32,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:20:32,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:20:32,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:20:32,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:20:32,247 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:20:32,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:20:32,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:20:32,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:20:32,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:20:32,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:20:32,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:20:32,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:20:32,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:20:32,251 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:32,251 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:20:32,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:20:32,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:32,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:20:32,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:20:32,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:20:32,254 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:20:32,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:32,254 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:20:32,255 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:20:32,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:20:32,255 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_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 [2023-12-02 23:20:32,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:20:32,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:20:32,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:20:32,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:20:32,575 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:20:32,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2023-12-02 23:20:35,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:20:35,640 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:20:35,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2023-12-02 23:20:35,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/data/17da972fe/fe8a384f00d9464ebe917e3e1cd3cd00/FLAG556ca613a [2023-12-02 23:20:35,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/data/17da972fe/fe8a384f00d9464ebe917e3e1cd3cd00 [2023-12-02 23:20:35,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:20:35,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:20:35,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:20:35,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:20:35,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:20:35,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:35" (1/1) ... [2023-12-02 23:20:35,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582d48af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:35, skipping insertion in model container [2023-12-02 23:20:35,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:35" (1/1) ... [2023-12-02 23:20:35,750 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:20:36,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:36,101 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:20:36,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:20:36,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:36,212 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:20:36,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:36,344 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:20:36,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36 WrapperNode [2023-12-02 23:20:36,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:20:36,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:20:36,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:20:36,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:20:36,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,430 INFO L138 Inliner]: procedures = 35, calls = 224, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 806 [2023-12-02 23:20:36,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:20:36,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:20:36,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:20:36,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:20:36,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:20:36,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:20:36,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:20:36,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:20:36,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:36" (1/1) ... [2023-12-02 23:20:36,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:36,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:20:36,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:20:36,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:20:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:20:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:20:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:20:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:20:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:20:36,766 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:20:36,768 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:20:36,787 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-02 23:20:54,753 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-12-02 23:20:54,753 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-12-02 23:20:54,754 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:20:54,954 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:20:54,954 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:20:54,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:54 BoogieIcfgContainer [2023-12-02 23:20:54,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:20:54,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:20:54,957 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:20:54,967 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:20:54,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:20:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 135 states and 215 transitions. [2023-12-02 23:20:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 215 transitions. [2023-12-02 23:20:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:20:55,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:55,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:55,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:55,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:55,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:20:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:55,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:56,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:20:56,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:20:56,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:21:06,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 134 states and 214 transitions. [2023-12-02 23:21:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 214 transitions. [2023-12-02 23:21:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:21:06,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:06,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:06,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:06,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:06,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:21:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:21:30,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:22:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:23:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:23:03,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:23:03,349 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) [2023-12-02 23:23:03,353 INFO L158 Benchmark]: Toolchain (without parser) took 147671.24ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.9MB in the beginning and 48.4MB in the end (delta: -519.1kB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 23:23:03,354 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:23:03,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.43ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.7MB in the beginning and 53.2MB in the end (delta: -5.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-12-02 23:23:03,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.82ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 48.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:23:03,356 INFO L158 Benchmark]: Boogie Preprocessor took 95.85ms. Allocated memory is still 90.2MB. Free memory was 48.0MB in the beginning and 60.7MB in the end (delta: -12.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:23:03,357 INFO L158 Benchmark]: RCFGBuilder took 18428.95ms. Allocated memory is still 90.2MB. Free memory was 60.7MB in the beginning and 40.2MB in the end (delta: 20.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-12-02 23:23:03,358 INFO L158 Benchmark]: CodeCheck took 128394.74ms. Allocated memory is still 90.2MB. Free memory was 40.2MB in the beginning and 48.4MB in the end (delta: -8.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:23:03,361 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 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.43ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.7MB in the beginning and 53.2MB in the end (delta: -5.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.82ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 48.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.85ms. Allocated memory is still 90.2MB. Free memory was 48.0MB in the beginning and 60.7MB in the end (delta: -12.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 18428.95ms. Allocated memory is still 90.2MB. Free memory was 60.7MB in the beginning and 40.2MB in the end (delta: 20.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * CodeCheck took 128394.74ms. Allocated memory is still 90.2MB. Free memory was 40.2MB in the beginning and 48.4MB in the end (delta: -8.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:23:03,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878330c5-b1f2-444d-97c0-86f44b255273/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown