./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NonTermination3-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NonTermination3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fabc9d8a61dd824da0c561a6d62c57fe8eb320f6ad8009599cd12699fa04e01c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:38,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:38,815 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-25 01:57:38,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:38,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:38,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:38,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:38,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:38,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:38,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:38,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:38,859 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 01:57:38,860 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 01:57:38,860 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 01:57:38,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:38,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:38,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:38,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:38,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:38,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:38,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:38,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:38,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:38,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:38,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:38,861 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:38,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:38,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fabc9d8a61dd824da0c561a6d62c57fe8eb320f6ad8009599cd12699fa04e01c [2024-11-25 01:57:39,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:39,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:39,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:39,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:39,316 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:39,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted/NonTermination3-1.c [2024-11-25 01:57:42,728 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/data/6577f50af/daf48665a4474f68896594d4f1bb4dec/FLAG84fa27c64 [2024-11-25 01:57:42,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:42,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/sv-benchmarks/c/termination-crafted/NonTermination3-1.c [2024-11-25 01:57:42,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/data/6577f50af/daf48665a4474f68896594d4f1bb4dec/FLAG84fa27c64 [2024-11-25 01:57:43,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/data/6577f50af/daf48665a4474f68896594d4f1bb4dec [2024-11-25 01:57:43,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:43,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:43,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:43,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:43,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:43,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b282103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43, skipping insertion in model container [2024-11-25 01:57:43,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:43,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:43,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:43,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:43,276 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:43,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43 WrapperNode [2024-11-25 01:57:43,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:43,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:43,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:43,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:43,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,308 INFO L138 Inliner]: procedures = 8, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-11-25 01:57:43,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:43,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:43,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:43,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:43,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,330 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:43,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:43,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:43,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:43,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:43,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:43,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:43,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 01:57:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 01:57:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 01:57:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 01:57:43,494 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:43,496 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:43,654 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:43,654 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:43,687 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:43,687 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:57:43,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:43 BoogieIcfgContainer [2024-11-25 01:57:43,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:43,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:43,689 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:43,700 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:43,700 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:43" (1/1) ... [2024-11-25 01:57:43,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-25 01:57:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 01:57:43,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:57:43,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:43,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 01:57:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 01:57:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:57:44,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:44,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 01:57:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 01:57:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 01:57:44,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:44,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:44,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 01:57:44,849 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 01:57:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:57:44,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:44,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 01:57:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 01:57:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:57:45,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:45,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-25 01:57:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-25 01:57:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:57:45,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:45,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-25 01:57:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 01:57:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:57:47,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 01:57:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-25 01:57:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-25 01:57:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:57:47,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 01:57:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-25 01:57:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-25 01:57:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:57:48,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:48,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 01:57:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-11-25 01:57:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-25 01:57:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:57:48,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:48,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-25 01:57:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-25 01:57:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 01:57:49,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2024-11-25 01:57:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-11-25 01:57:50,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 01:57:50,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:50,287 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2024-11-25 01:57:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-25 01:57:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 01:57:50,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-11-25 01:57:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-11-25 01:57:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 01:57:51,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:51,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2024-11-25 01:57:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2024-11-25 01:57:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 01:57:52,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:52,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2024-11-25 01:57:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-11-25 01:57:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 01:57:53,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:53,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2024-11-25 01:57:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-11-25 01:57:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 01:57:53,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:53,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-25 01:57:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2024-11-25 01:57:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2024-11-25 01:57:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 01:57:58,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:58,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-25 01:57:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2024-11-25 01:57:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-25 01:57:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 01:57:59,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:59,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:59,260 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:59,401 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:59,480 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2024-11-25 01:57:59,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:57:59 ImpRootNode [2024-11-25 01:57:59,532 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:57:59,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:57:59,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:57:59,533 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:57:59,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:43" (3/4) ... [2024-11-25 01:57:59,535 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 01:57:59,591 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 13. [2024-11-25 01:57:59,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:57:59,661 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:57:59,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:57:59,663 INFO L158 Benchmark]: Toolchain (without parser) took 16628.91ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 119.8MB in the beginning and 69.6MB in the end (delta: 50.3MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2024-11-25 01:57:59,665 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:59,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.84ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.4MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:59,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.98ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 108.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:59,666 INFO L158 Benchmark]: Boogie Preprocessor took 35.26ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.2MB in the end (delta: 903.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:59,666 INFO L158 Benchmark]: RCFGBuilder took 341.82ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 95.1MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:57:59,667 INFO L158 Benchmark]: CodeCheck took 15843.29ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 94.9MB in the beginning and 74.5MB in the end (delta: 20.3MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-25 01:57:59,668 INFO L158 Benchmark]: Witness Printer took 129.31ms. Allocated memory is still 176.2MB. Free memory was 74.5MB in the beginning and 69.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:59,670 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, 18 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 859 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 536 mSDsluCounter, 264 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 725 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2350 IncrementalHoareTripleChecker+Invalid, 3075 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 725 mSolverCounterUnsat, 194 mSDtfsCounter, 2350 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1944 GetRequests, 1662 SyntacticMatches, 84 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16077 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 1033 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 233/528 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L10] int i = __VERIFIER_nondet_int(); [L11] int a[10]; [L13] int n = 0; VAL [a={2:0}, i=9, n=0] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=1] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=2] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=3] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=4] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=5] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=6] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=7] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=8] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=9] [L13] COND TRUE n < 10 [L14] a[n] = __VERIFIER_nondet_int() [L13] ++n VAL [a={2:0}, i=9, n=10] [L13] COND FALSE !(n < 10) [L17] 0 <= i && i < 10 && a[i] >= 0 VAL [a={2:0}, i=9] [L17] EXPR a[i] [L17] 0 <= i && i < 10 && a[i] >= 0 VAL [a={2:0}] [L17] COND TRUE 0 <= i && i < 10 && a[i] >= 0 [L18] i = __VERIFIER_nondet_int() [L20] a[i] = 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.84ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.4MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.98ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 108.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.26ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.2MB in the end (delta: 903.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.82ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 95.1MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15843.29ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 94.9MB in the beginning and 74.5MB in the end (delta: 20.3MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Witness Printer took 129.31ms. Allocated memory is still 176.2MB. Free memory was 74.5MB in the beginning and 69.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 01:57:59,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f282b9fb-f71c-4a3b-a175-9c91451a9394/bin/ukojak-verify-ENZ3QT5qd3/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(valid-deref)