./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/list-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/list-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a135e953d64ed0fec81eb2a1e42f4031e3e387fc71d5a5cd2177772a202dc706 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:54:16,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:54:16,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:54:16,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:54:16,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:54:16,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:54:16,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:54:16,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:54:16,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:54:16,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:54:16,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:54:16,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:54:16,299 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:54:16,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:54:16,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:54:16,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:54:16,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:54:16,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:54:16,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:54:16,302 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:54:16,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:54:16,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:54:16,304 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:54:16,304 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:54:16,304 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:54:16,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:54:16,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:16,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:54:16,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:54:16,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:54:16,307 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:54:16,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:54:16,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:54:16,307 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_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a135e953d64ed0fec81eb2a1e42f4031e3e387fc71d5a5cd2177772a202dc706 [2023-12-02 22:54:16,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:54:16,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:54:16,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:54:16,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:54:16,570 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:54:16,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/list-properties/list-2.i [2023-12-02 22:54:19,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:54:19,591 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:54:19,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/sv-benchmarks/c/list-properties/list-2.i [2023-12-02 22:54:19,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/data/58d1a40e3/389713a148a3423597a12267492c9d33/FLAG7e5c2d48a [2023-12-02 22:54:19,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/data/58d1a40e3/389713a148a3423597a12267492c9d33 [2023-12-02 22:54:19,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:54:19,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:54:19,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:54:19,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:54:19,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:54:19,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:19" (1/1) ... [2023-12-02 22:54:19,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd8696f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:19, skipping insertion in model container [2023-12-02 22:54:19,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:19" (1/1) ... [2023-12-02 22:54:19,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:54:19,935 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/sv-benchmarks/c/list-properties/list-2.i[23408,23421] [2023-12-02 22:54:19,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:54:19,950 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:54:19,989 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/sv-benchmarks/c/list-properties/list-2.i[23408,23421] [2023-12-02 22:54:19,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:54:20,019 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:54:20,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20 WrapperNode [2023-12-02 22:54:20,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:54:20,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:54:20,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:54:20,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:54:20,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,057 INFO L138 Inliner]: procedures = 124, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2023-12-02 22:54:20,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:54:20,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:54:20,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:54:20,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:54:20,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:54:20,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:54:20,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:54:20,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:54:20,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:20,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:54:20,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:54:20,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:54:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-12-02 22:54:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-12-02 22:54:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:54:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:54:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:54:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:54:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:54:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:54:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:54:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:54:20,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:54:20,258 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:54:20,260 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:54:20,294 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-12-02 22:54:20,408 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:54:20,428 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:54:20,428 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 22:54:20,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:20 BoogieIcfgContainer [2023-12-02 22:54:20,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:54:20,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:54:20,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:54:20,439 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:54:20,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:20" (1/1) ... [2023-12-02 22:54:20,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:54:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-12-02 22:54:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-12-02 22:54:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:54:20,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:20,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-12-02 22:54:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-12-02 22:54:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 22:54:20,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-12-02 22:54:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-12-02 22:54:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:54:21,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:21,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-12-02 22:54:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-12-02 22:54:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:54:21,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:21,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2023-12-02 22:54:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-12-02 22:54:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:54:21,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:21,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2023-12-02 22:54:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2023-12-02 22:54:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:54:22,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:22,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:24,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2023-12-02 22:54:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2023-12-02 22:54:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:54:24,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:24,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 70 states and 117 transitions. [2023-12-02 22:54:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 117 transitions. [2023-12-02 22:54:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:54:26,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:26,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:26,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:27,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2023-12-02 22:54:27,535 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2023-12-02 22:54:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:54:27,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:27,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:27,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2023-12-02 22:54:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2023-12-02 22:54:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:54:28,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:28,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 85 states and 145 transitions. [2023-12-02 22:54:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2023-12-02 22:54:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:54:30,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:30,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 87 states and 151 transitions. [2023-12-02 22:54:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2023-12-02 22:54:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:54:31,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:31,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 89 states and 157 transitions. [2023-12-02 22:54:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2023-12-02 22:54:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:54:32,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:32,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 98 states and 181 transitions. [2023-12-02 22:54:35,681 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 181 transitions. [2023-12-02 22:54:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:54:35,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:35,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:54:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:35,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:54:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:35,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:54:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:35,856 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2023-12-02 22:54:35,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-12-02 22:54:35,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-02 22:54:35,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-02 22:54:35,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-12-02 22:54:35,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:54:35 ImpRootNode [2023-12-02 22:54:35,888 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:54:35,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:54:35,889 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:54:35,889 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:54:35,890 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:20" (3/4) ... [2023-12-02 22:54:35,890 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 22:54:35,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-12-02 22:54:35,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-02 22:54:35,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-02 22:54:35,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-12-02 22:54:35,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:54:35,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:54:35,940 INFO L158 Benchmark]: Toolchain (without parser) took 16315.64ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 108.2MB in the beginning and 51.4MB in the end (delta: 56.8MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. [2023-12-02 22:54:35,940 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:54:35,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.78ms. Allocated memory is still 148.9MB. Free memory was 108.2MB in the beginning and 91.0MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:54:35,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.46ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:54:35,942 INFO L158 Benchmark]: Boogie Preprocessor took 24.72ms. Allocated memory is still 148.9MB. Free memory was 88.9MB in the beginning and 87.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:54:35,942 INFO L158 Benchmark]: RCFGBuilder took 346.50ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 73.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:54:35,943 INFO L158 Benchmark]: CodeCheck took 15457.88ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 73.4MB in the beginning and 53.5MB in the end (delta: 19.9MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-12-02 22:54:35,943 INFO L158 Benchmark]: Witness Printer took 50.17ms. Allocated memory is still 195.0MB. Free memory was 53.5MB in the beginning and 51.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:54:35,946 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 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1281 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 736 mSDsluCounter, 1130 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 726 mSDsCounter, 620 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2805 IncrementalHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 620 mSolverCounterUnsat, 404 mSDtfsCounter, 2805 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2422 GetRequests, 2125 SyntacticMatches, 105 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17401 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 2969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 6/52 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: 557]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) VAL [a={-1:0}] [L534] List t; [L535] List p = a; VAL [a={-1:0}, p={-1:0}] [L536] COND TRUE __VERIFIER_nondet_int() [L537] p->h = 1 [L538] t = (List) malloc(sizeof(struct node)) [L539] COND FALSE !(t == 0) VAL [a={-1:0}, p={-1:0}, t={-2:0}] [L540] p->n = t [L541] EXPR p->n [L541] p = p->n [L536] COND FALSE !(__VERIFIER_nondet_int()) [L543] COND TRUE __VERIFIER_nondet_int() [L544] p->h = 2 [L545] t = (List) malloc(sizeof(struct node)) [L546] COND FALSE !(t == 0) VAL [a={-1:0}, p={-2:0}, t={-3:0}] [L547] p->n = t [L548] EXPR p->n [L548] p = p->n [L543] COND FALSE !(__VERIFIER_nondet_int()) [L550] p->h = 3 [L551] p = a VAL [a={-1:0}, p={-1:0}, t={-3:0}] [L552] EXPR p->h VAL [a={-1:0}, p={-1:0}, t={-3:0}] [L552] COND FALSE !(p->h == 2) [L554] EXPR p->h VAL [a={-1:0}, p={-1:0}, t={-3:0}] [L554] COND TRUE p->h == 1 [L555] EXPR p->n [L555] p = p->n [L554] EXPR p->h VAL [a={-1:0}, p={-2:0}, t={-3:0}] [L554] COND FALSE !(p->h == 1) [L556] EXPR p->h VAL [a={-1:0}, p={-2:0}, t={-3:0}] [L556] COND TRUE p->h != 3 [L557] reach_error() VAL [a={-1:0}, p={-2:0}, t={-3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.78ms. Allocated memory is still 148.9MB. Free memory was 108.2MB in the beginning and 91.0MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.46ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.72ms. Allocated memory is still 148.9MB. Free memory was 88.9MB in the beginning and 87.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.50ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 73.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 15457.88ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 73.4MB in the beginning and 53.5MB in the end (delta: 19.9MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Witness Printer took 50.17ms. Allocated memory is still 195.0MB. Free memory was 53.5MB in the beginning and 51.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 22:54:35,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0c9fb4-6bb5-499a-ba3e-9faf7db07558/bin/ukojak-verify-Qdu7aM0XO9/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