./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/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_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi --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 23f21f1d12fc9578c569fbf2e71b5421b3d1aa45a00983439dd99e97e66f1c7b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:16,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:16,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:11:16,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:16,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:16,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:16,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:16,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:16,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:16,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:16,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:16,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:16,823 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:16,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:16,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:16,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:16,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:16,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:16,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:16,828 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:16,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:16,829 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:16,830 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:16,830 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:16,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:16,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:16,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:16,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:16,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:16,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:16,834 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:16,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:16,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:16,835 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_89f90172-2631-46f0-9029-ff29bee832d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23f21f1d12fc9578c569fbf2e71b5421b3d1aa45a00983439dd99e97e66f1c7b [2023-11-24 22:11:17,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:17,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:17,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:17,215 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:17,216 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:17,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-regression/test02.c [2023-11-24 22:11:20,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:20,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:20,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/sv-benchmarks/c/ldv-regression/test02.c [2023-11-24 22:11:20,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/data/da4e2110a/fc29775d1fc14fd487d02de35149ffc2/FLAG8f3b97aaa [2023-11-24 22:11:20,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/data/da4e2110a/fc29775d1fc14fd487d02de35149ffc2 [2023-11-24 22:11:20,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:20,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:20,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:20,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:20,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:20,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5386ec7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20, skipping insertion in model container [2023-11-24 22:11:20,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:20,839 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_89f90172-2631-46f0-9029-ff29bee832d3/sv-benchmarks/c/ldv-regression/test02.c[413,426] [2023-11-24 22:11:20,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:20,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:20,870 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_89f90172-2631-46f0-9029-ff29bee832d3/sv-benchmarks/c/ldv-regression/test02.c[413,426] [2023-11-24 22:11:20,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:20,885 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:20,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20 WrapperNode [2023-11-24 22:11:20,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:20,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:20,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:20,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:20,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,922 INFO L138 Inliner]: procedures = 12, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-11-24 22:11:20,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:20,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:20,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:20,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:20,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:20,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:20,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:20,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:20,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:20" (1/1) ... [2023-11-24 22:11:20,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:20,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:20,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:20,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:21,078 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:21,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:21,181 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:21,206 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:21,206 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:11:21,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:21 BoogieIcfgContainer [2023-11-24 22:11:21,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:21,209 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:21,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:21,219 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:21,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:21" (1/1) ... [2023-11-24 22:11:21,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 22:11:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 22:11:21,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:11:21,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:21,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:21,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:21,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:21,499 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:11:21,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:21 ImpRootNode [2023-11-24 22:11:21,558 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:21,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:21,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:21,559 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:21,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:21" (3/4) ... [2023-11-24 22:11:21,561 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:11:21,602 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:11:21,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:21,603 INFO L158 Benchmark]: Toolchain (without parser) took 960.29ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 122.9MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:21,604 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 61.7MB in the beginning and 61.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:21,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.15ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 101.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:21,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.23ms. Allocated memory is still 155.2MB. Free memory was 101.3MB in the beginning and 100.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:21,606 INFO L158 Benchmark]: Boogie Preprocessor took 21.02ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 99.0MB in the end (delta: 984.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:21,607 INFO L158 Benchmark]: RCFGBuilder took 263.00ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 89.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:21,607 INFO L158 Benchmark]: CodeCheck took 349.38ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 125.0MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:21,608 INFO L158 Benchmark]: Witness Printer took 43.45ms. Allocated memory is still 155.2MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:21,612 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: 0.3s, 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, 0.0s 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: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] int q; [L9] int a, b; [L10] int *p1 = &a; [L11] int *p2 = p1; [L13] q = 0 VAL [a={21240:0}, p1={21240:0}, p2={21240:0}, q=0] [L15] COND TRUE p1 == p2 VAL [a={21240:0}, p1={21240:0}, p2={21240:0}, q=0] [L21] reach_error() VAL [a={21240:0}, p1={21240:0}, p2={21240:0}, q=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 61.7MB in the beginning and 61.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.15ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 101.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.23ms. Allocated memory is still 155.2MB. Free memory was 101.3MB in the beginning and 100.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.02ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 99.0MB in the end (delta: 984.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.00ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 89.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 349.38ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 125.0MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.45ms. Allocated memory is still 155.2MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:11:21,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f90172-2631-46f0-9029-ff29bee832d3/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE