./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:50,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:51,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:12:51,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:51,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:51,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:51,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:51,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:51,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:51,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:51,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:51,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:51,082 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:51,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:51,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:51,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:51,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:51,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:51,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:51,086 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:51,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:51,087 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:51,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:51,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:51,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:51,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:51,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:51,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:51,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:51,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:51,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:51,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:51,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:51,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:51,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:51,093 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_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 [2023-11-24 22:12:51,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:51,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:51,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:51,370 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:51,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:51,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loops/s3.i [2023-11-24 22:12:54,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:54,895 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:54,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/sv-benchmarks/c/loops/s3.i [2023-11-24 22:12:54,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/data/6680806d0/d0ff5721761d446998a1734f30e81c4b/FLAGbb586516f [2023-11-24 22:12:54,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/data/6680806d0/d0ff5721761d446998a1734f30e81c4b [2023-11-24 22:12:54,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:54,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:54,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:54,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:54,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:54,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:54" (1/1) ... [2023-11-24 22:12:54,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65afe515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:54, skipping insertion in model container [2023-11-24 22:12:54,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:54" (1/1) ... [2023-11-24 22:12:55,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:55,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:55,546 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:55,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:55,792 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:55,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55 WrapperNode [2023-11-24 22:12:55,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:55,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:55,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:55,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:55,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,934 INFO L138 Inliner]: procedures = 30, calls = 223, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 863 [2023-11-24 22:12:55,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:55,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:55,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:55,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:55,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:56,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:56,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:56,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:56,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:56,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:56,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:56,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:56,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:56,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:56,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:56,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:56,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:56,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:12:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:12:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:12:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:12:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:56,414 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:56,417 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:56,451 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 22:13:00,120 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2023-11-24 22:13:00,120 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2023-11-24 22:13:00,121 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:00,512 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:00,512 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:13:00,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:00 BoogieIcfgContainer [2023-11-24 22:13:00,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:00,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:00,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:00,526 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:00,528 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:00" (1/1) ... [2023-11-24 22:13:00,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 113 states and 176 transitions. [2023-11-24 22:13:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 176 transitions. [2023-11-24 22:13:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:13:00,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:00,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:01,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:13:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:07,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:13:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:13:17,215 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:13:17,219 INFO L158 Benchmark]: Toolchain (without parser) took 22255.00ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 78.0MB in the beginning and 75.1MB in the end (delta: 2.9MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2023-11-24 22:13:17,219 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:17,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.73ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 78.0MB in the beginning and 111.0MB in the end (delta: -33.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-24 22:13:17,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.98ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 105.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:17,222 INFO L158 Benchmark]: Boogie Preprocessor took 140.81ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 98.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:17,222 INFO L158 Benchmark]: RCFGBuilder took 4437.68ms. Allocated memory is still 151.0MB. Free memory was 98.5MB in the beginning and 91.3MB in the end (delta: 7.2MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2023-11-24 22:13:17,223 INFO L158 Benchmark]: CodeCheck took 16701.97ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 91.3MB in the beginning and 75.1MB in the end (delta: 16.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-24 22:13:17,227 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 0.27ms. Allocated memory is still 125.8MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.73ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 78.0MB in the beginning and 111.0MB in the end (delta: -33.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.98ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 105.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.81ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 98.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4437.68ms. Allocated memory is still 151.0MB. Free memory was 98.5MB in the beginning and 91.3MB in the end (delta: 7.2MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * CodeCheck took 16701.97ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 91.3MB in the beginning and 75.1MB in the end (delta: 16.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:13:17,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:20,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:20,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:13:20,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:20,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:20,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:20,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:20,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:20,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:20,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:20,233 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:20,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:20,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:20,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:20,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:20,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:20,236 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:13:20,237 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:13:20,238 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:13:20,238 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:13:20,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:13:20,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:20,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:20,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:20,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:20,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:20,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:20,242 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:20,243 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:20,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:20,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:20,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:20,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:20,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:20,245 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:13:20,245 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:20,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:20,246 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:13:20,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:20,247 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_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 [2023-11-24 22:13:20,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:20,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:20,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:20,638 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:20,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:20,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loops/s3.i [2023-11-24 22:13:23,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:24,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:24,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/sv-benchmarks/c/loops/s3.i [2023-11-24 22:13:24,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/data/51907e8bf/4b5648ac03ec487cad6197c928218ec1/FLAGb73cf4c3b [2023-11-24 22:13:24,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/data/51907e8bf/4b5648ac03ec487cad6197c928218ec1 [2023-11-24 22:13:24,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:24,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:24,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:24,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:24,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:24,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:24" (1/1) ... [2023-11-24 22:13:24,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a05bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:24, skipping insertion in model container [2023-11-24 22:13:24,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:24" (1/1) ... [2023-11-24 22:13:24,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:24,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:24,913 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:13:24,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:25,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:25,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:25,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:25,211 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:25,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25 WrapperNode [2023-11-24 22:13:25,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:25,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:25,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:25,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:25,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,321 INFO L138 Inliner]: procedures = 34, calls = 223, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 750 [2023-11-24 22:13:25,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:25,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:25,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:25,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:25,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:25,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:25,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:25,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:25,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:25" (1/1) ... [2023-11-24 22:13:25,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:25,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:25,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:25,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:13:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:13:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:13:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:13:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:13:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:13:25,731 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:25,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:25,759 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 22:13:41,899 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2023-11-24 22:13:41,900 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2023-11-24 22:13:41,900 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:42,256 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:42,257 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:13:42,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:42 BoogieIcfgContainer [2023-11-24 22:13:42,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:42,260 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:42,260 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:42,271 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:42,271 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:42" (1/1) ... [2023-11-24 22:13:42,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 113 states and 176 transitions. [2023-11-24 22:13:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 176 transitions. [2023-11-24 22:13:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:13:42,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:42,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:42,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:13:42,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:13:42,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:13:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:43,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:13:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:43,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:13:43,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:43,623 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:13:43,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:13:53,676 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 [] [2023-11-24 22:13:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 112 states and 175 transitions. [2023-11-24 22:13:53,713 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 175 transitions. [2023-11-24 22:13:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:13:53,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:53,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:53,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:13:53,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:13:53,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c96663-3ff1-4950-b394-3f7ed49536af/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process