./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule60_list.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b --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 057ace51c51df31e3d76df060fee6a035219068ccdea21d39f1ea3a0064d5b3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:43:00,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:43:00,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:43:00,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:43:00,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:43:00,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:43:00,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:43:00,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:43:00,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:43:00,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:43:00,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:43:00,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:43:00,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:43:00,768 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:43:00,769 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:43:00,769 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:43:00,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:43:00,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:43:00,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:43:00,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:43:00,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:43:00,769 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:43:00,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:43:00,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b 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 -> 057ace51c51df31e3d76df060fee6a035219068ccdea21d39f1ea3a0064d5b3d [2024-12-06 01:43:00,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:43:01,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:43:01,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:43:01,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:43:01,010 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:43:01,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/rule60_list.i [2024-12-06 01:43:03,622 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/data/8058ddaaa/c2c6326cdf9449bcbda6e127ad969399/FLAGa920d8a45 [2024-12-06 01:43:03,860 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:43:03,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/sv-benchmarks/c/ldv-regression/rule60_list.i [2024-12-06 01:43:03,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/data/8058ddaaa/c2c6326cdf9449bcbda6e127ad969399/FLAGa920d8a45 [2024-12-06 01:43:04,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/data/8058ddaaa/c2c6326cdf9449bcbda6e127ad969399 [2024-12-06 01:43:04,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:43:04,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:43:04,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:43:04,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:43:04,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:43:04,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fad740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04, skipping insertion in model container [2024-12-06 01:43:04,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:43:04,359 WARN L250 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_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/sv-benchmarks/c/ldv-regression/rule60_list.i[291,304] [2024-12-06 01:43:04,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:43:04,459 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:43:04,468 WARN L250 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_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/sv-benchmarks/c/ldv-regression/rule60_list.i[291,304] [2024-12-06 01:43:04,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:43:04,522 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:43:04,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04 WrapperNode [2024-12-06 01:43:04,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:43:04,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:43:04,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:43:04,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:43:04,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,554 INFO L138 Inliner]: procedures = 124, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-12-06 01:43:04,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:43:04,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:43:04,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:43:04,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:43:04,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,568 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:43:04,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:43:04,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:43:04,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:43:04,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:43:04,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:43:04,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:43:04,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-12-06 01:43:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2024-12-06 01:43:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:43:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:43:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:43:04,702 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:43:04,703 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:43:04,793 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 01:43:04,793 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:43:04,815 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:43:04,815 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:43:04,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:04 BoogieIcfgContainer [2024-12-06 01:43:04,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:43:04,816 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:43:04,816 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:43:04,823 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:43:04,823 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:43:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 01:43:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 01:43:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:43:04,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:04,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:43:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 22 transitions. [2024-12-06 01:43:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-12-06 01:43:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:43:05,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:05,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:43:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 20 transitions. [2024-12-06 01:43:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-12-06 01:43:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:43:05,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:05,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:43:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 13 states and 14 transitions. [2024-12-06 01:43:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 01:43:06,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:43:06,549 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 01:43:06,557 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:43:06,639 INFO L77 FloydHoareUtils]: At program point L523(line 523) the Hoare annotation is: (not (and (not (and (= list_add_~new.base |list_add_#in~new.base|) (or (= list_add_~new.offset 0) (= |list_add_#in~new.offset| list_add_~new.offset)))) (= |list_add_#t~mem6| 0))) [2024-12-06 01:43:06,639 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 522 525) the Hoare annotation is: true [2024-12-06 01:43:06,639 INFO L77 FloydHoareUtils]: At program point L523-2(line 523) the Hoare annotation is: true [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point L523-3(line 523) the Hoare annotation is: (and (= list_add_~new.base |list_add_#in~new.base|) (or (= list_add_~new.offset 0) (= |list_add_#in~new.offset| list_add_~new.offset))) [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point list_addEXIT(lines 522 525) the Hoare annotation is: (or (not (= |list_add_#in~new.offset| 0)) (= (select (select |#memory_int| |list_add_#in~new.base|) 8) 1)) [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point ERROR(lines 4 7) the Hoare annotation is: true [2024-12-06 01:43:06,640 INFO L75 FloydHoareUtils]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point L527(line 527) the Hoare annotation is: true [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point L527-2(line 527) the Hoare annotation is: true [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point L527-3(line 527) the Hoare annotation is: true [2024-12-06 01:43:06,640 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:43:06,641 INFO L77 FloydHoareUtils]: At program point L538(line 538) the Hoare annotation is: true [2024-12-06 01:43:06,641 INFO L77 FloydHoareUtils]: At program point L536(line 536) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~dev~0#1.base|) 8) 0) (= |~#head~0.offset| 0) (= |ULTIMATE.start_main_~dev~0#1.offset| 0)) [2024-12-06 01:43:06,641 INFO L77 FloydHoareUtils]: At program point L536-1(line 536) the Hoare annotation is: true [2024-12-06 01:43:06,641 INFO L77 FloydHoareUtils]: At program point L534(lines 534 539) the Hoare annotation is: (and (= |~#head~0.offset| 0) (= |ULTIMATE.start_main_~dev~0#1.offset| 0)) [2024-12-06 01:43:06,641 INFO L77 FloydHoareUtils]: At program point L534-1(lines 534 539) the Hoare annotation is: true [2024-12-06 01:43:06,657 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~new!offset [2024-12-06 01:43:06,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 01:43:06,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 01:43:06,659 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~new!base,]]] [2024-12-06 01:43:06,661 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-12-06 01:43:06,662 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-12-06 01:43:06,662 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-12-06 01:43:06,662 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable head by function list_add [2024-12-06 01:43:06,663 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-12-06 01:43:06,663 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-12-06 01:43:06,663 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-12-06 01:43:06,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:43:06 ImpRootNode [2024-12-06 01:43:06,665 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:43:06,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:43:06,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:43:06,666 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:43:06,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:04" (3/4) ... [2024-12-06 01:43:06,669 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:43:06,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2024-12-06 01:43:06,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2024-12-06 01:43:06,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 01:43:06,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-06 01:43:06,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:43:06,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:43:06,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:43:06,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:43:06,737 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:43:06,738 INFO L158 Benchmark]: Toolchain (without parser) took 2532.64ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.0MB in the beginning and 156.0MB in the end (delta: -64.0MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-12-06 01:43:06,738 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:06,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.56ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 74.9MB in the end (delta: 16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:43:06,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.50ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:06,739 INFO L158 Benchmark]: Boogie Preprocessor took 18.70ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 72.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:06,739 INFO L158 Benchmark]: RCFGBuilder took 241.62ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 60.5MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:43:06,740 INFO L158 Benchmark]: CodeCheck took 1848.59ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 60.3MB in the beginning and 160.7MB in the end (delta: -100.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-12-06 01:43:06,740 INFO L158 Benchmark]: Witness Printer took 72.13ms. Allocated memory is still 218.1MB. Free memory was 160.7MB in the beginning and 156.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:43:06,741 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 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 26 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 250 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 6]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 4]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert. Ensures: (head == \old(head)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.56ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 74.9MB in the end (delta: 16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.50ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.70ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 72.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 241.62ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 60.5MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1848.59ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 60.3MB in the beginning and 160.7MB in the end (delta: -100.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 72.13ms. Allocated memory is still 218.1MB. Free memory was 160.7MB in the beginning and 156.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~new!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~new!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable head by function list_add - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID RESULT: Ultimate proved your program to be correct! [2024-12-06 01:43:06,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cd863d7-e999-47fe-b18a-f68ff6ff8cf1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE