./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 23:10:19,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:10:19,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:10:19,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:10:19,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:10:19,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:10:19,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:10:19,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:10:19,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:10:19,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:10:19,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:10:19,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:10:19,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:10:19,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:10:19,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:10:19,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:10:19,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:10:19,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:10:19,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:10:19,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:10:19,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:10:19,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:10:19,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:10:19,207 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:10:19,207 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:10:19,208 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:10:19,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:10:19,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:19,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:10:19,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:10:19,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:10:19,208 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:10:19,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:10:19,209 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_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 23:10:19,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:10:19,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:10:19,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:10:19,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:10:19,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:10:19,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-regression/rule60_list.i Unable to find full path for "g++" [2024-11-13 23:10:21,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:10:21,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:10:21,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/sv-benchmarks/c/ldv-regression/rule60_list.i [2024-11-13 23:10:21,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/data/fc953ec36/f8287972dce5426aaae5db960d363a7d/FLAG928c4d38f [2024-11-13 23:10:22,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/data/fc953ec36/f8287972dce5426aaae5db960d363a7d [2024-11-13 23:10:22,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:10:22,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:10:22,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:22,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:10:22,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:10:22,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37eab7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22, skipping insertion in model container [2024-11-13 23:10:22,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:10:22,464 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_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/sv-benchmarks/c/ldv-regression/rule60_list.i[291,304] [2024-11-13 23:10:22,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:22,678 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:10:22,689 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_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/sv-benchmarks/c/ldv-regression/rule60_list.i[291,304] [2024-11-13 23:10:22,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:22,777 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:10:22,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22 WrapperNode [2024-11-13 23:10:22,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:22,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:22,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:10:22,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:10:22,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,824 INFO L138 Inliner]: procedures = 124, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-11-13 23:10:22,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:22,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:10:22,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:10:22,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:10:22,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:10:22,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:10:22,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:10:22,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:10:22,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:22" (1/1) ... [2024-11-13 23:10:22,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:22,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:10:22,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:10:22,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:10:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:10:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:10:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:10:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:10:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-13 23:10:22,936 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-13 23:10:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:10:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2024-11-13 23:10:22,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2024-11-13 23:10:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:10:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:10:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:10:23,051 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:10:23,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:23,237 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:23,237 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:23,280 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:23,281 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:10:23,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:23 BoogieIcfgContainer [2024-11-13 23:10:23,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:23,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:23,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:10:23,293 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:10:23,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:23" (1/1) ... [2024-11-13 23:10:23,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:10:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 23:10:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 23:10:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:10:23,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:23,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 22 transitions. [2024-11-13 23:10:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 23:10:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:10:24,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:24,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 20 transitions. [2024-11-13 23:10:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 23:10:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:10:25,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:25,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:25,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 13 states and 14 transitions. [2024-11-13 23:10:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 23:10:25,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:10:25,962 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 23:10:25,979 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:10:26,084 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))) [2024-11-13 23:10:26,084 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 522 525) the Hoare annotation is: true [2024-11-13 23:10:26,084 INFO L77 FloydHoareUtils]: At program point L523-2(line 523) the Hoare annotation is: true [2024-11-13 23:10:26,084 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))) [2024-11-13 23:10:26,084 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)) [2024-11-13 23:10:26,085 INFO L77 FloydHoareUtils]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2024-11-13 23:10:26,085 INFO L77 FloydHoareUtils]: At program point ERROR(lines 4 7) the Hoare annotation is: true [2024-11-13 23:10:26,085 INFO L75 FloydHoareUtils]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2024-11-13 23:10:26,085 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:10:26,085 INFO L77 FloydHoareUtils]: At program point L527(line 527) the Hoare annotation is: true [2024-11-13 23:10:26,085 INFO L77 FloydHoareUtils]: At program point L527-2(line 527) the Hoare annotation is: true [2024-11-13 23:10:26,085 INFO L77 FloydHoareUtils]: At program point L527-3(line 527) the Hoare annotation is: true [2024-11-13 23:10:26,085 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:10:26,085 INFO L77 FloydHoareUtils]: At program point L538(line 538) the Hoare annotation is: true [2024-11-13 23:10:26,085 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)) [2024-11-13 23:10:26,086 INFO L77 FloydHoareUtils]: At program point L536-1(line 536) the Hoare annotation is: true [2024-11-13 23:10:26,086 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)) [2024-11-13 23:10:26,086 INFO L77 FloydHoareUtils]: At program point L534-1(lines 534 539) the Hoare annotation is: true [2024-11-13 23:10:26,105 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~new!offset [2024-11-13 23:10:26,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:10:26,106 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:10:26,107 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~new!base,]]] [2024-11-13 23:10:26,109 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 23:10:26,109 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 23:10:26,109 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 23:10:26,110 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable head by function list_add [2024-11-13 23:10:26,111 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 23:10:26,111 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 23:10:26,112 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 23:10:26,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:10:26 ImpRootNode [2024-11-13 23:10:26,113 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:10:26,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:10:26,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:10:26,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:10:26,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:23" (3/4) ... [2024-11-13 23:10:26,118 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:10:26,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2024-11-13 23:10:26,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2024-11-13 23:10:26,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 23:10:26,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 23:10:26,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:10:26,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:10:26,204 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:10:26,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:10:26,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:10:26,206 INFO L158 Benchmark]: Toolchain (without parser) took 3993.46ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 55.1MB in the end (delta: 35.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-13 23:10:26,206 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:26,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.83ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 73.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:10:26,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.00ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:26,207 INFO L158 Benchmark]: Boogie Preprocessor took 40.41ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 71.4MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:26,208 INFO L158 Benchmark]: RCFGBuilder took 412.66ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 59.0MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:10:26,208 INFO L158 Benchmark]: CodeCheck took 2832.01ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 60.4MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:26,208 INFO L158 Benchmark]: Witness Printer took 90.39ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 55.1MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:10:26,210 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: 2.6s, 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, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.3s 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, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s 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 - 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 0.42ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.83ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 73.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.00ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.41ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 71.4MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.66ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 59.0MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2832.01ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 60.4MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 90.39ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 55.1MB in the end (delta: 5.2MB). 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! [2024-11-13 23:10:26,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7d3e24-5249-486f-aa00-27e8bc6f83b4/bin/ukojak-verify-EEHR8qb7sm/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