./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e4b751f1cff14576af7e2c8fb6f6f5af2d2fb8f159c6730e8a5d44ae1632f58 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:50,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:50,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:15:50,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:50,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:50,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:50,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:50,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:50,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:50,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:50,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:50,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:50,205 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:50,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:50,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:50,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:50,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:50,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:50,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:50,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:50,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:50,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:50,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:50,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:50,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:50,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:50,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:50,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:50,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:50,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:50,215 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:50,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:50,217 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:50,217 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_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e4b751f1cff14576af7e2c8fb6f6f5af2d2fb8f159c6730e8a5d44ae1632f58 [2023-11-19 03:15:50,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:50,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:50,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:50,584 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:50,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:50,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-regression/test06.c [2023-11-19 03:15:53,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:54,082 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:54,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/sv-benchmarks/c/ldv-regression/test06.c [2023-11-19 03:15:54,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/data/c547deb42/3b1e4e68e1714807a7e6b112280974ac/FLAG89785bb5a [2023-11-19 03:15:54,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/data/c547deb42/3b1e4e68e1714807a7e6b112280974ac [2023-11-19 03:15:54,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:54,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:54,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:54,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:54,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:54,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b33583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54, skipping insertion in model container [2023-11-19 03:15:54,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:54,387 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/sv-benchmarks/c/ldv-regression/test06.c[670,683] [2023-11-19 03:15:54,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:54,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:54,435 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/sv-benchmarks/c/ldv-regression/test06.c[670,683] [2023-11-19 03:15:54,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:54,461 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:54,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54 WrapperNode [2023-11-19 03:15:54,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:54,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:54,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:54,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:54,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,519 INFO L138 Inliner]: procedures = 16, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2023-11-19 03:15:54,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:54,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:54,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:54,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:54,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:54,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:54,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:54,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:54,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:54" (1/1) ... [2023-11-19 03:15:54,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:54,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:54,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:54,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:15:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:15:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:15:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:15:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:15:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:15:54,806 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:54,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:55,149 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:55,292 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:55,292 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:15:55,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:55 BoogieIcfgContainer [2023-11-19 03:15:55,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:55,298 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:55,298 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:55,308 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:55,308 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:55" (1/1) ... [2023-11-19 03:15:55,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:55,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:15:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:15:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:15:55,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:55,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:55,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:56,099 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:15:56,121 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem10 [2023-11-19 03:15:56,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2023-11-19 03:15:56,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:15:56 ImpRootNode [2023-11-19 03:15:56,130 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:15:56,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:15:56,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:15:56,132 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:15:56,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:55" (3/4) ... [2023-11-19 03:15:56,133 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:15:56,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem10 [2023-11-19 03:15:56,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2023-11-19 03:15:56,197 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:15:56,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:15:56,205 INFO L158 Benchmark]: Toolchain (without parser) took 2072.30ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 81.0MB in the end (delta: 47.7MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-11-19 03:15:56,205 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:56,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.51ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 118.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:15:56,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.88ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:56,208 INFO L158 Benchmark]: Boogie Preprocessor took 42.53ms. Allocated memory is still 165.7MB. Free memory was 116.5MB in the beginning and 115.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:56,208 INFO L158 Benchmark]: RCFGBuilder took 733.03ms. Allocated memory is still 165.7MB. Free memory was 115.2MB in the beginning and 132.2MB in the end (delta: -17.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:56,212 INFO L158 Benchmark]: CodeCheck took 832.96ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 83.1MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:56,213 INFO L158 Benchmark]: Witness Printer took 67.75ms. Allocated memory is still 165.7MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:56,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 42]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int a, b; [L24] int *p1, *p2; [L26] p1 = &a [L27] p2 = &b [L29] b = 1 [L30] a = 5 [L32] EXPR \read(a) [L32] a-- [L34] EXPR \read(a) [L34] CALL, EXPR f(a, &p1, &p2) [L14] COND TRUE a == 4 [L15] CALL g(p1, p2) [L7] EXPR \read(**p2) [L7] int *pq = *p2; [L9] EXPR \read(**p2) [L9] *p1 = *p2 [L10] *pq = 0 [L15] RET g(p1, p2) [L16] return 1; [L34] RET, EXPR f(a, &p1, &p2) [L34] a = f(a, &p1, &p2) [L36] EXPR \read(*p1) VAL [a={6:0}, b={5:0}, p1={4:0}, p2={7:0}] [L36] COND TRUE *p1 == 0 [L42] reach_error() VAL [a={6:0}, b={5:0}, p1={4:0}, p2={7:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.51ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 118.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.88ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.53ms. Allocated memory is still 165.7MB. Free memory was 116.5MB in the beginning and 115.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 733.03ms. Allocated memory is still 165.7MB. Free memory was 115.2MB in the beginning and 132.2MB in the end (delta: -17.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * CodeCheck took 832.96ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 83.1MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 67.75ms. Allocated memory is still 165.7MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:15:56,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e28cc37e-c43b-427d-8d3a-891136dcfd8d/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE