./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/quick_sort_split.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_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/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_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/quick_sort_split.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/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_220dce1a-34f5-44a4-9904-26552fad3428/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 608b74039fb15a247aaf810504577eacfdbb21e6889e19896989d0cd0427fa05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:15,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:15,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:34:15,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:34:15,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:34:15,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:15,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:15,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:15,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:15,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:15,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:15,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:15,477 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:34:15,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:15,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:15,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:15,477 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:15,477 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:15,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:15,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:15,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:15,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:15,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:15,478 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:34:15,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:34:15,478 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_220dce1a-34f5-44a4-9904-26552fad3428/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 -> 608b74039fb15a247aaf810504577eacfdbb21e6889e19896989d0cd0427fa05 [2024-11-13 20:34:15,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:15,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:15,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:15,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:15,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:15,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/heap-data/quick_sort_split.i Unable to find full path for "g++" [2024-11-13 20:34:17,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:18,199 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:18,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/sv-benchmarks/c/heap-data/quick_sort_split.i [2024-11-13 20:34:18,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/data/6fc0113ee/0ff5c50baa83432e811d714fa7c8c343/FLAG941f09f0f [2024-11-13 20:34:18,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/data/6fc0113ee/0ff5c50baa83432e811d714fa7c8c343 [2024-11-13 20:34:18,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:18,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:18,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:18,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:18,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:18,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:18" (1/1) ... [2024-11-13 20:34:18,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a37d265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:18, skipping insertion in model container [2024-11-13 20:34:18,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:18" (1/1) ... [2024-11-13 20:34:18,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:18,889 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_220dce1a-34f5-44a4-9904-26552fad3428/sv-benchmarks/c/heap-data/quick_sort_split.i[23986,23999] [2024-11-13 20:34:18,895 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_220dce1a-34f5-44a4-9904-26552fad3428/sv-benchmarks/c/heap-data/quick_sort_split.i[24106,24119] [2024-11-13 20:34:18,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:18,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:18,968 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_220dce1a-34f5-44a4-9904-26552fad3428/sv-benchmarks/c/heap-data/quick_sort_split.i[23986,23999] [2024-11-13 20:34:18,969 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_220dce1a-34f5-44a4-9904-26552fad3428/sv-benchmarks/c/heap-data/quick_sort_split.i[24106,24119] [2024-11-13 20:34:18,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:19,004 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:19,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19 WrapperNode [2024-11-13 20:34:19,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:19,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:19,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:19,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:19,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,053 INFO L138 Inliner]: procedures = 125, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-13 20:34:19,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:19,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:19,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:19,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:19,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:19,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:19,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:19,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:19,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:19,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:19,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:19,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 20:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:34:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2024-11-13 20:34:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2024-11-13 20:34:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:19,365 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:19,367 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:19,643 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:19,646 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:19,732 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:19,733 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 20:34:19,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:19 BoogieIcfgContainer [2024-11-13 20:34:19,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:19,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:19,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:19,750 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:19,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:19" (1/1) ... [2024-11-13 20:34:19,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 20:34:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 20:34:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:34:19,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:19,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:20,057 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 20:34:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-13 20:34:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 20:34:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:34:20,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:20,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:20,202 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 20:34:20,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:20,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 20:34:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 20:34:20,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:34:20,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:20,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:20,480 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 20:34:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:20,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 20:34:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 20:34:20,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:34:20,700 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 20:34:20,710 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 20:34:20,759 INFO L75 FloydHoareUtils]: For program point L609(lines 609 610) no Hoare annotation was computed. [2024-11-13 20:34:20,759 INFO L75 FloydHoareUtils]: For program point L609-2(lines 609 610) no Hoare annotation was computed. [2024-11-13 20:34:20,759 INFO L75 FloydHoareUtils]: For program point L605(line 605) no Hoare annotation was computed. [2024-11-13 20:34:20,759 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 610) no Hoare annotation was computed. [2024-11-13 20:34:20,760 INFO L77 FloydHoareUtils]: At program point L585(line 585) the Hoare annotation is: true [2024-11-13 20:34:20,760 INFO L75 FloydHoareUtils]: For program point L610(line 610) no Hoare annotation was computed. [2024-11-13 20:34:20,760 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2024-11-13 20:34:20,760 INFO L77 FloydHoareUtils]: At program point L582-1(lines 582 588) the Hoare annotation is: true [2024-11-13 20:34:20,760 INFO L77 FloydHoareUtils]: At program point L582-3(lines 582 588) the Hoare annotation is: true [2024-11-13 20:34:20,761 INFO L77 FloydHoareUtils]: At program point L582-4(lines 582 588) the Hoare annotation is: true [2024-11-13 20:34:20,761 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:34:20,761 INFO L77 FloydHoareUtils]: At program point L603-1(lines 603 607) the Hoare annotation is: (and (= |ULTIMATE.start_main_~high~0#1.base| 0) (= |ULTIMATE.start_main_~high~0#1.offset| 0) (= |ULTIMATE.start_main_~low~0#1.offset| 0) (= |ULTIMATE.start_main_~low~0#1.base| 0)) [2024-11-13 20:34:20,761 INFO L77 FloydHoareUtils]: At program point L587(line 587) the Hoare annotation is: true [2024-11-13 20:34:20,761 INFO L77 FloydHoareUtils]: At program point L587-1(lines 584 587) the Hoare annotation is: true [2024-11-13 20:34:20,761 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:34:20,762 INFO L77 FloydHoareUtils]: At program point L608-1(lines 608 612) the Hoare annotation is: (and (= |ULTIMATE.start_main_~high~0#1.base| 0) (= |ULTIMATE.start_main_~high~0#1.offset| 0)) [2024-11-13 20:34:20,762 INFO L75 FloydHoareUtils]: For program point L604(lines 604 605) no Hoare annotation was computed. [2024-11-13 20:34:20,762 INFO L75 FloydHoareUtils]: For program point L604-2(lines 604 605) no Hoare annotation was computed. [2024-11-13 20:34:20,762 INFO L77 FloydHoareUtils]: At program point L596-2(lines 596 602) the Hoare annotation is: (and (= |ULTIMATE.start_main_~high~0#1.base| 0) (= |ULTIMATE.start_main_~high~0#1.offset| 0) (= |ULTIMATE.start_main_~low~0#1.offset| 0) (= |ULTIMATE.start_main_~low~0#1.base| 0)) [2024-11-13 20:34:20,762 INFO L77 FloydHoareUtils]: At program point L584(lines 584 587) the Hoare annotation is: true [2024-11-13 20:34:20,763 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 573 579) the Hoare annotation is: true [2024-11-13 20:34:20,763 INFO L77 FloydHoareUtils]: At program point append_to_listEXIT(lines 573 579) the Hoare annotation is: true [2024-11-13 20:34:20,774 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~high~0!base [2024-11-13 20:34:20,775 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~high~0!offset [2024-11-13 20:34:20,776 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~low~0!offset [2024-11-13 20:34:20,776 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~low~0!base [2024-11-13 20:34:20,777 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~high~0!base [2024-11-13 20:34:20,777 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~high~0!offset [2024-11-13 20:34:20,777 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~high~0!base [2024-11-13 20:34:20,777 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~high~0!offset [2024-11-13 20:34:20,777 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~low~0!offset [2024-11-13 20:34:20,778 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~low~0!base [2024-11-13 20:34:20,789 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 20:34:20,789 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 20:34:20,789 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 20:34:20,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:34:20 ImpRootNode [2024-11-13 20:34:20,792 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:34:20,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:34:20,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:34:20,793 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:34:20,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:19" (3/4) ... [2024-11-13 20:34:20,800 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:34:20,804 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append_to_list [2024-11-13 20:34:20,809 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 20:34:20,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 20:34:20,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:34:20,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:34:20,922 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:34:20,923 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:34:20,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:34:20,926 INFO L158 Benchmark]: Toolchain (without parser) took 2488.90ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.9MB in the end (delta: 17.9MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-13 20:34:20,926 INFO L158 Benchmark]: CDTParser took 1.84ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:20,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.92ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 74.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:34:20,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.81ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:20,927 INFO L158 Benchmark]: Boogie Preprocessor took 41.89ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 71.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:20,928 INFO L158 Benchmark]: RCFGBuilder took 636.83ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 55.8MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:20,928 INFO L158 Benchmark]: CodeCheck took 1057.34ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 79.0MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:20,928 INFO L158 Benchmark]: Witness Printer took 130.45ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 73.9MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:20,930 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 32 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 605]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 610]: 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 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.92ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 74.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.81ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.89ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 71.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 636.83ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 55.8MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1057.34ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 79.0MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 130.45ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 73.9MB 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: ~high~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~high~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~low~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~low~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~high~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~high~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~high~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~high~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~low~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~low~0!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 RESULT: Ultimate proved your program to be correct! [2024-11-13 20:34:20,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220dce1a-34f5-44a4-9904-26552fad3428/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