./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 527bcce2 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_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2 --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 d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:15,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:15,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-21 18:40:15,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:15,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:15,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:15,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:15,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:15,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:15,313 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:15,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:15,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:15,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:15,317 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:40:15,317 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:40:15,318 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:40:15,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:15,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:15,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:15,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:15,320 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:15,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:15,321 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:15,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:15,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:15,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:15,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:15,324 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:15,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:15,325 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_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 [2023-11-21 18:40:15,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:15,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:15,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:15,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:15,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:15,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2023-11-21 18:40:18,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:19,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:19,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2023-11-21 18:40:19,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/data/53e1f8e3f/3bb914227eb545c997038ef5fd8938f7/FLAG2eedbeae7 [2023-11-21 18:40:19,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/data/53e1f8e3f/3bb914227eb545c997038ef5fd8938f7 [2023-11-21 18:40:19,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:19,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:19,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:19,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:19,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:19,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bdb04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19, skipping insertion in model container [2023-11-21 18:40:19,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:19,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:19,563 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:19,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:19,662 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:19,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19 WrapperNode [2023-11-21 18:40:19,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:19,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:19,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:19,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:19,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,711 INFO L138 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2023-11-21 18:40:19,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:19,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:19,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:19,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:19,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:19,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:19,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:19,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:19,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:19" (1/1) ... [2023-11-21 18:40:19,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:19,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:19,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:19,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:40:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:40:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:40:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:40:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:19,971 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:19,974 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:20,170 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:20,277 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:20,277 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:40:20,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:20 BoogieIcfgContainer [2023-11-21 18:40:20,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:20,280 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:20,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:20,292 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:20,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:20,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-21 18:40:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-21 18:40:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:20,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:20,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:20,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:20,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:20,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-21 18:40:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-21 18:40:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:20,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:20,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:40:20,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:40:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:40:30,857 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:40:30,865 INFO L158 Benchmark]: Toolchain (without parser) took 11788.60ms. Allocated memory is still 165.7MB. Free memory was 134.3MB in the beginning and 99.7MB in the end (delta: 34.6MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,868 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:30,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.95ms. Allocated memory is still 165.7MB. Free memory was 134.3MB in the beginning and 118.3MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.57ms. Allocated memory is still 165.7MB. Free memory was 117.5MB in the beginning and 116.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:30,873 INFO L158 Benchmark]: Boogie Preprocessor took 30.59ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 114.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,874 INFO L158 Benchmark]: RCFGBuilder took 535.93ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 119.0MB in the end (delta: -4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,875 INFO L158 Benchmark]: CodeCheck took 10583.23ms. Allocated memory is still 165.7MB. Free memory was 119.0MB in the beginning and 99.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.95ms. Allocated memory is still 165.7MB. Free memory was 134.3MB in the beginning and 118.3MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.57ms. Allocated memory is still 165.7MB. Free memory was 117.5MB in the beginning and 116.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.59ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 114.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.93ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 119.0MB in the end (delta: -4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 10583.23ms. Allocated memory is still 165.7MB. Free memory was 119.0MB in the beginning and 99.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:40:30,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2 --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 d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:33,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:33,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-21 18:40:33,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:33,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:33,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:33,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:33,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:33,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:33,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:33,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:33,744 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:40:33,745 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:40:33,747 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:40:33,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:33,748 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:40:33,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:40:33,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:40:33,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:33,750 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:33,751 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:33,751 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:33,752 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:33,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:33,753 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:33,753 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:40:33,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:33,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:33,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:33,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:33,757 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:40:33,757 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:33,758 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:40:33,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:40:33,759 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 [2023-11-21 18:40:34,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:34,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:34,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:34,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:34,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:34,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2023-11-21 18:40:37,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:37,713 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:37,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2023-11-21 18:40:37,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/data/4feef639a/64ea0bf792d4445f8fc439ccfc420f26/FLAG63c34ecfa [2023-11-21 18:40:37,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/data/4feef639a/64ea0bf792d4445f8fc439ccfc420f26 [2023-11-21 18:40:37,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:37,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:37,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:37,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:37,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:37,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:37" (1/1) ... [2023-11-21 18:40:37,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1142e5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:37, skipping insertion in model container [2023-11-21 18:40:37,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:37" (1/1) ... [2023-11-21 18:40:37,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:38,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:38,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:38,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:38,380 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:38,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38 WrapperNode [2023-11-21 18:40:38,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:38,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:38,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:38,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:38,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,458 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-21 18:40:38,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:38,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:38,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:38,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:38,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:38,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:38,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:38,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:38,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:38,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:38,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:38,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:40:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:40:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:40:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:40:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:38,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:38,789 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:38,791 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:39,292 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:39,384 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:39,384 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:40:39,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:39 BoogieIcfgContainer [2023-11-21 18:40:39,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:39,391 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:39,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:39,400 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:39,401 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:39" (1/1) ... [2023-11-21 18:40:39,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-21 18:40:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-21 18:40:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:40:39,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:39,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:39,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:40:39,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:40:39,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:40:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:40:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:39,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:39,875 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:40:39,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:40:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-21 18:40:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-21 18:40:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:40,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:40,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:40,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:40:40,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:40:40,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:40:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:40:40,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:40:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:40:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:40:40,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:40:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:40:40,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-21 18:40:40,643 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:40:40,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-21 18:40:40,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-21 18:40:40,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-21 18:40:40,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-21 18:40:40,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:40:40 ImpRootNode [2023-11-21 18:40:40,669 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:40:40,670 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:40:40,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:40:40,670 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:40:40,671 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:39" (3/4) ... [2023-11-21 18:40:40,672 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:40:40,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-21 18:40:40,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-21 18:40:40,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-21 18:40:40,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-21 18:40:40,729 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3be5f37a-484e-47e6-a9e9-089571bd69ee/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:40:40,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:40:40,733 INFO L158 Benchmark]: Toolchain (without parser) took 2960.97ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 50.8MB in the beginning and 55.4MB in the end (delta: -4.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-21 18:40:40,733 INFO L158 Benchmark]: CDTParser took 3.05ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:40,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.01ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 33.5MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:40:40,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.04ms. Allocated memory is still 75.5MB. Free memory was 33.5MB in the beginning and 31.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:40,735 INFO L158 Benchmark]: Boogie Preprocessor took 93.31ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 31.7MB in the beginning and 70.4MB in the end (delta: -38.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:40:40,736 INFO L158 Benchmark]: RCFGBuilder took 836.36ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 52.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:40:40,737 INFO L158 Benchmark]: CodeCheck took 1278.93ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 57.5MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:40,737 INFO L158 Benchmark]: Witness Printer took 61.97ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:40:40,746 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, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 2 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L513] int i, j; [L514] int length = __VERIFIER_nondet_int(); [L515] COND FALSE !(length < 1 || length >= 2147483647 / sizeof(int)) [L516] int fac = __VERIFIER_nondet_int(); [L517] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L518] int *arr = __builtin_alloca (length); [L519] int *arr2 = __builtin_alloca (fac*length); VAL [arr2={67125249:0}, arr={16385:0}, fac=67240448, length=3] [L520] COND FALSE !(!arr || !arr2) [L521] i=0 VAL [arr2={67125249:0}, arr={16385:0}, fac=67240448, i=0, length=3] [L521] COND TRUE i