./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/s3.i --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_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/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_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/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_f55a6ab0-7809-424a-914f-117ae79b5167/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 d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:07,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:07,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:57:07,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:07,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:07,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:07,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:07,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:07,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:07,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:07,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:07,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:07,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:07,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:07,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:07,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:07,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:07,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:07,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:07,143 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:07,143 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:07,144 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:07,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:07,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:07,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:07,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:07,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:07,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:07,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:07,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:07,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:07,150 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:07,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:07,151 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:07,152 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_f55a6ab0-7809-424a-914f-117ae79b5167/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 [2023-11-11 23:57:07,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:07,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:07,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:07,518 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:07,519 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:07,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loops/s3.i [2023-11-11 23:57:10,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:11,056 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:11,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/sv-benchmarks/c/loops/s3.i [2023-11-11 23:57:11,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/data/c2ac7168d/006245258f4b40e5852edfdda84f889f/FLAGf1a6c2d4f [2023-11-11 23:57:11,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/data/c2ac7168d/006245258f4b40e5852edfdda84f889f [2023-11-11 23:57:11,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:11,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:11,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:11,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:11,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:11,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21936fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11, skipping insertion in model container [2023-11-11 23:57:11,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:11,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:11,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:11,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:11,740 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:11,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11 WrapperNode [2023-11-11 23:57:11,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:11,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:11,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:11,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:11,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,872 INFO L138 Inliner]: procedures = 30, calls = 223, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 863 [2023-11-11 23:57:11,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:11,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:11,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:11,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:11,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:11,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:11,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:11,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:12,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:12,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:12,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:12,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:12,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:57:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:57:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:57:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:57:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:12,297 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:12,299 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:12,339 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-11 23:57:16,448 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2023-11-11 23:57:16,448 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2023-11-11 23:57:16,449 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:16,934 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:16,934 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:57:16,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:16 BoogieIcfgContainer [2023-11-11 23:57:16,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:16,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:16,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:16,949 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:16,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:16" (1/1) ... [2023-11-11 23:57:16,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 113 states and 176 transitions. [2023-11-11 23:57:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 176 transitions. [2023-11-11 23:57:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:57:17,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:17,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-11 23:57:28,320 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) [2023-11-11 23:57:28,323 INFO L158 Benchmark]: Toolchain (without parser) took 17210.68ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 87.0MB in the beginning and 71.8MB in the end (delta: 15.2MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,324 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 125.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:28,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.29ms. Allocated memory is still 125.8MB. Free memory was 87.0MB in the beginning and 56.2MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.68ms. Allocated memory is still 125.8MB. Free memory was 56.2MB in the beginning and 50.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,326 INFO L158 Benchmark]: Boogie Preprocessor took 112.42ms. Allocated memory is still 125.8MB. Free memory was 50.9MB in the beginning and 43.8MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,327 INFO L158 Benchmark]: RCFGBuilder took 4951.42ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 113.7MB in the end (delta: -69.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,328 INFO L158 Benchmark]: CodeCheck took 11383.82ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 71.8MB in the end (delta: 41.9MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,332 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 0.59ms. Allocated memory is still 125.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.29ms. Allocated memory is still 125.8MB. Free memory was 87.0MB in the beginning and 56.2MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.68ms. Allocated memory is still 125.8MB. Free memory was 56.2MB in the beginning and 50.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.42ms. Allocated memory is still 125.8MB. Free memory was 50.9MB in the beginning and 43.8MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4951.42ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 113.7MB in the end (delta: -69.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * CodeCheck took 11383.82ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 71.8MB in the end (delta: 41.9MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:57:28,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/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_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/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_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/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_f55a6ab0-7809-424a-914f-117ae79b5167/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 d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:30,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:31,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:57:31,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:31,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:31,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:31,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:31,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:31,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:31,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:31,172 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:31,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:31,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:31,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:31,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:31,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:31,177 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:57:31,178 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:57:31,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:31,179 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:57:31,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:31,180 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:31,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:31,181 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:31,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:31,182 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:31,183 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:57:31,183 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:31,184 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:31,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:31,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:31,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:31,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:31,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:31,187 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:57:31,187 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:31,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:31,188 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:57:31,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:31,189 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_f55a6ab0-7809-424a-914f-117ae79b5167/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 [2023-11-11 23:57:31,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:31,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:31,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:31,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:31,591 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:31,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loops/s3.i [2023-11-11 23:57:34,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:35,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:35,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/sv-benchmarks/c/loops/s3.i [2023-11-11 23:57:35,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/data/f21b02366/4320a7d38911406e97964d919dce8f99/FLAG6b17669b5 [2023-11-11 23:57:35,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/data/f21b02366/4320a7d38911406e97964d919dce8f99 [2023-11-11 23:57:35,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:35,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:35,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:35,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:35,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:35,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:35" (1/1) ... [2023-11-11 23:57:35,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416a09c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:35, skipping insertion in model container [2023-11-11 23:57:35,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:35" (1/1) ... [2023-11-11 23:57:35,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:35,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:35,889 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:57:35,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:36,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:36,055 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:36,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:36,280 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:36,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36 WrapperNode [2023-11-11 23:57:36,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:36,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:36,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:36,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:36,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,429 INFO L138 Inliner]: procedures = 34, calls = 223, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 750 [2023-11-11 23:57:36,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:36,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:36,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:36,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:36,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:36,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:36,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:36,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:36,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:36,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:36,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:36,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:57:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:57:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:57:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:57:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:57:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:36,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:57:36,850 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:36,852 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:36,880 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-11 23:57:54,024 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2023-11-11 23:57:54,024 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2023-11-11 23:57:54,024 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:54,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:54,422 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:57:54,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:54 BoogieIcfgContainer [2023-11-11 23:57:54,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:54,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:54,426 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:54,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:54,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:54,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:54,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 113 states and 176 transitions. [2023-11-11 23:57:54,507 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 176 transitions. [2023-11-11 23:57:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:57:54,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:54,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:54,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:54,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:54,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:57:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:55,190 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:55,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:57:55,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:55,723 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:55,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-11 23:58:05,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-11 23:58:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 112 states and 175 transitions. [2023-11-11 23:58:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 175 transitions. [2023-11-11 23:58:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:58:05,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:05,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:05,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:05,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:05,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55a6ab0-7809-424a-914f-117ae79b5167/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process