./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV --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 32bit --witnessprinter.graph.data.programhash 24e4ab1beddf6765367789e618c0879bf278eaa2a42c207f454e869025cceb0b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:31,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:31,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:47:31,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:31,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:31,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:31,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:31,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:31,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:31,262 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:31,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:31,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:31,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:31,266 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:47:31,266 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:47:31,267 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:47:31,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:31,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:31,268 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:31,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:31,269 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:31,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:31,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:31,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:31,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:31,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:31,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:31,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:31,273 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_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24e4ab1beddf6765367789e618c0879bf278eaa2a42c207f454e869025cceb0b [2023-11-11 23:47:31,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:31,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:31,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:31,618 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:31,619 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:31,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-1.i [2023-11-11 23:47:34,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:35,106 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:35,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/sv-benchmarks/c/ldv-regression/nested_structure_noptr-1.i [2023-11-11 23:47:35,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/data/dced5a35c/ec7bbd4fedfe4d7aa5bfb8ba4673b878/FLAGdd082d26c [2023-11-11 23:47:35,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/data/dced5a35c/ec7bbd4fedfe4d7aa5bfb8ba4673b878 [2023-11-11 23:47:35,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:35,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:35,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:35,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:35,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:35,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cc2ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35, skipping insertion in model container [2023-11-11 23:47:35,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:35,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:35,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:35,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:35,385 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:35,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35 WrapperNode [2023-11-11 23:47:35,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:35,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:35,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:35,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:35,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,417 INFO L138 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2023-11-11 23:47:35,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:35,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:35,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:35,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:35,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:35,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:35,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:35,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:35,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:35,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:35,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:35,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:47:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:35,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:47:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:35,584 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:35,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:35,739 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:35,763 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:35,787 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:47:35,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:35 BoogieIcfgContainer [2023-11-11 23:47:35,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:35,791 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:35,803 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:35,811 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:35,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:35" (1/1) ... [2023-11-11 23:47:35,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:47:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-11 23:47:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-11 23:47:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:47:35,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:35,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-11 23:47:36,160 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-11 23:47:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:47:36,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:36,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-11 23:47:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-11 23:47:36,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:47:36,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:36,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-11 23:47:36,575 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-11 23:47:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:47:36,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-11 23:47:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-11 23:47:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:47:36,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:36,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:36,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2023-11-11 23:47:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-11 23:47:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:47:37,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:37,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2023-11-11 23:47:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2023-11-11 23:47:37,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:47:37,834 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-11 23:47:37,844 INFO L753 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-11 23:47:37,878 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-11 23:47:37,884 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-11 23:47:37,888 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#good~0!base := 0] could not be translated [2023-11-11 23:47:37,889 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#good~0!base := 0] could not be translated [2023-11-11 23:47:37,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:47:37 ImpRootNode [2023-11-11 23:47:37,890 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:47:37,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:47:37,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:47:37,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:47:37,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:35" (3/4) ... [2023-11-11 23:47:37,895 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:47:37,907 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-11 23:47:37,907 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:47:37,907 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:47:37,908 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:47:38,026 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:47:38,030 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:47:38,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:47:38,031 INFO L158 Benchmark]: Toolchain (without parser) took 2898.68ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 81.0MB in the beginning and 121.5MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:38,032 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:38,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.16ms. Allocated memory is still 125.8MB. Free memory was 80.7MB in the beginning and 70.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:47:38,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.18ms. Allocated memory is still 125.8MB. Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:38,033 INFO L158 Benchmark]: Boogie Preprocessor took 23.71ms. Allocated memory is still 125.8MB. Free memory was 68.7MB in the beginning and 67.8MB in the end (delta: 867.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:38,040 INFO L158 Benchmark]: RCFGBuilder took 348.06ms. Allocated memory is still 125.8MB. Free memory was 67.4MB in the beginning and 96.9MB in the end (delta: -29.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:38,041 INFO L158 Benchmark]: CodeCheck took 2098.98ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 96.8MB in the beginning and 125.6MB in the end (delta: -28.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-11 23:47:38,041 INFO L158 Benchmark]: Witness Printer took 139.79ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 121.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:47:38,044 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 4 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 38]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 13]: Loop Invariant [2023-11-11 23:47:38,053 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#good~0!base := 0] could not be translated [2023-11-11 23:47:38,058 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#good~0!base := 0] could not be translated Derived loop invariant: NULL * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.16ms. Allocated memory is still 125.8MB. Free memory was 80.7MB in the beginning and 70.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.18ms. Allocated memory is still 125.8MB. Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.71ms. Allocated memory is still 125.8MB. Free memory was 68.7MB in the beginning and 67.8MB in the end (delta: 867.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.06ms. Allocated memory is still 125.8MB. Free memory was 67.4MB in the beginning and 96.9MB in the end (delta: -29.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * CodeCheck took 2098.98ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 96.8MB in the beginning and 125.6MB in the end (delta: -28.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 139.79ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 121.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#good~0!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#good~0!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#good~0!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#good~0!base := 0] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-11 23:47:38,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa56b39-2607-47c7-94f9-98eeb9fa94fb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE