./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:31:29,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:31:29,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:31:29,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:31:29,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:31:29,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:31:29,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:31:29,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:31:29,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:31:29,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:31:29,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:31:29,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:31:29,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:31:29,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:31:29,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:31:29,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:31:29,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:31:29,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:31:29,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:31:29,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:31:29,745 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:31:29,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:31:29,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:31:29,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:31:29,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:31:29,753 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:31:29,753 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:31:29,753 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:31:29,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:31:29,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:29,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:31:29,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:31:29,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:31:29,769 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:31:29,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:31:29,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 [2024-11-08 23:31:30,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:31:30,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:31:30,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:31:30,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:31:30,113 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:31:30,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i Unable to find full path for "g++" [2024-11-08 23:31:32,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:31:32,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:31:32,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2024-11-08 23:31:32,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/data/2e79ae157/527aca3c2559486d97a1819b412f2676/FLAG5e65d61c1 [2024-11-08 23:31:32,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/data/2e79ae157/527aca3c2559486d97a1819b412f2676 [2024-11-08 23:31:32,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:31:32,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:31:32,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:32,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:31:32,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:31:32,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:32" (1/1) ... [2024-11-08 23:31:32,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b53fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:32, skipping insertion in model container [2024-11-08 23:31:32,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:32" (1/1) ... [2024-11-08 23:31:32,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:31:33,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:33,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:31:33,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:33,195 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:31:33,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33 WrapperNode [2024-11-08 23:31:33,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:33,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:33,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:31:33,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:31:33,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,251 INFO L138 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-08 23:31:33,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:33,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:31:33,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:31:33,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:31:33,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:31:33,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:31:33,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:31:33,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:31:33,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:33,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:31:33,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:31:33,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:31:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-11-08 23:31:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-11-08 23:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:31:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:31:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:31:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:31:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:31:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:31:33,539 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:31:33,545 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:31:33,584 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-11-08 23:31:33,840 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-08 23:31:33,840 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:31:33,927 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:31:33,928 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:31:33,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:33 BoogieIcfgContainer [2024-11-08 23:31:33,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:31:33,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:31:33,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:31:33,946 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:31:33,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:31:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-11-08 23:31:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-08 23:31:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:31:34,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:34,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-08 23:31:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-08 23:31:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:31:34,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:34,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:34,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2024-11-08 23:31:34,414 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2024-11-08 23:31:34,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:31:34,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:34,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-11-08 23:31:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-08 23:31:34,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:31:34,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:34,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:35,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-11-08 23:31:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-08 23:31:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:31:35,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:35,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:31:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2024-11-08 23:31:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-11-08 23:31:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:31:35,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:35,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:31:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-08 23:31:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-08 23:31:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:31:36,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:31:37,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:37,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-11-08 23:31:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-08 23:31:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:31:37,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:37,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:31:37,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2024-11-08 23:31:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2024-11-08 23:31:37,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:31:37,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:37,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:31:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2024-11-08 23:31:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2024-11-08 23:31:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:31:37,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:37,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:31:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2024-11-08 23:31:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2024-11-08 23:31:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:31:37,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:37,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:31:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-08 23:31:37,782 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-08 23:31:37,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:31:37,783 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-08 23:31:37,791 INFO L729 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-08 23:31:37,939 INFO L77 FloydHoareUtils]: At program point L573(line 573) the Hoare annotation is: true [2024-11-08 23:31:37,940 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 572 574) the Hoare annotation is: true [2024-11-08 23:31:37,940 INFO L75 FloydHoareUtils]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2024-11-08 23:31:37,940 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 623) no Hoare annotation was computed. [2024-11-08 23:31:37,940 INFO L77 FloydHoareUtils]: At program point L589(lines 589 591) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_main_~len~0#1|) (< 0 |ULTIMATE.start_dll_create_~len#1|) (<= |ULTIMATE.start_dll_create_~len#1| 2) (<= |ULTIMATE.start_main_~len~0#1| 2)) [2024-11-08 23:31:37,941 INFO L77 FloydHoareUtils]: At program point L589-1(lines 589 591) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_main_~len~0#1|) (< 0 |ULTIMATE.start_dll_create_~len#1|) (<= |ULTIMATE.start_dll_create_~len#1| 2) (<= |ULTIMATE.start_main_~len~0#1| 2)) [2024-11-08 23:31:37,941 INFO L77 FloydHoareUtils]: At program point L610-1(lines 610 613) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-08 23:31:37,941 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 599) no Hoare annotation was computed. [2024-11-08 23:31:37,941 INFO L77 FloydHoareUtils]: At program point L610-3(lines 610 613) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-08 23:31:37,941 INFO L77 FloydHoareUtils]: At program point L610-4(lines 610 613) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-08 23:31:37,942 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 623) no Hoare annotation was computed. [2024-11-08 23:31:37,942 INFO L77 FloydHoareUtils]: At program point L623(line 623) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_main_~len~0#1|) (<= |ULTIMATE.start_main_~len~0#1| 2)) [2024-11-08 23:31:37,942 INFO L77 FloydHoareUtils]: At program point L590(line 590) the Hoare annotation is: true [2024-11-08 23:31:37,942 INFO L77 FloydHoareUtils]: At program point L623-1(line 623) the Hoare annotation is: (<= |ULTIMATE.start_main_~len~0#1| 2) [2024-11-08 23:31:37,942 INFO L77 FloydHoareUtils]: At program point L623-3(lines 623 625) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-08 23:31:37,943 INFO L77 FloydHoareUtils]: At program point L623-5(line 623) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~post13#1| 1) (<= 0 |ULTIMATE.start_main_#t~post13#1|)) [2024-11-08 23:31:37,943 INFO L77 FloydHoareUtils]: At program point L623-6(line 623) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~post13#1| 1) [2024-11-08 23:31:37,943 INFO L77 FloydHoareUtils]: At program point L623-7(lines 623 625) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1) [2024-11-08 23:31:37,943 INFO L77 FloydHoareUtils]: At program point L623-8(lines 623 625) the Hoare annotation is: true [2024-11-08 23:31:37,943 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 599) no Hoare annotation was computed. [2024-11-08 23:31:37,943 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:31:37,944 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 623) no Hoare annotation was computed. [2024-11-08 23:31:37,944 INFO L77 FloydHoareUtils]: At program point L603(lines 603 617) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-08 23:31:37,944 INFO L77 FloydHoareUtils]: At program point L599(line 599) the Hoare annotation is: (and (<= |ULTIMATE.start_dll_create_#t~post5#1| 2) (<= 2 |ULTIMATE.start_main_~len~0#1|) (<= |ULTIMATE.start_main_~len~0#1| 2) (<= 1 |ULTIMATE.start_dll_create_#t~post5#1|)) [2024-11-08 23:31:37,944 INFO L77 FloydHoareUtils]: At program point L599-1(line 599) the Hoare annotation is: (and (<= |ULTIMATE.start_dll_create_#t~post5#1| 2) (<= 2 |ULTIMATE.start_main_~len~0#1|) (<= |ULTIMATE.start_main_~len~0#1| 2)) [2024-11-08 23:31:37,944 INFO L77 FloydHoareUtils]: At program point L587-1(lines 587 600) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_main_~len~0#1|) (< 0 |ULTIMATE.start_dll_create_~len#1|) (<= |ULTIMATE.start_dll_create_~len#1| 2) (<= |ULTIMATE.start_main_~len~0#1| 2)) [2024-11-08 23:31:37,945 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:31:37,945 INFO L77 FloydHoareUtils]: At program point L587-3(lines 587 600) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_main_~len~0#1|) (<= |ULTIMATE.start_dll_create_~len#1| 2) (<= |ULTIMATE.start_main_~len~0#1| 2)) [2024-11-08 23:31:37,945 INFO L77 FloydHoareUtils]: At program point L587-4(lines 587 600) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_main_~len~0#1|) (<= |ULTIMATE.start_main_~len~0#1| 2)) [2024-11-08 23:31:37,945 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 623) no Hoare annotation was computed. [2024-11-08 23:31:37,945 INFO L77 FloydHoareUtils]: At program point L604(lines 604 616) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-08 23:31:37,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-08 23:31:37,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-08 23:31:37,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-08 23:31:37,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:31:37 ImpRootNode [2024-11-08 23:31:37,968 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:31:37,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:31:37,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:31:37,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:31:37,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:33" (3/4) ... [2024-11-08 23:31:37,975 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:31:37,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure myexit [2024-11-08 23:31:37,986 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 23:31:37,987 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:31:37,988 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:31:37,988 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:31:38,104 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:31:38,105 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:31:38,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:31:38,106 INFO L158 Benchmark]: Toolchain (without parser) took 5589.91ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 84.9MB in the beginning and 61.2MB in the end (delta: 23.7MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2024-11-08 23:31:38,106 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:38,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.40ms. Allocated memory is still 127.9MB. Free memory was 84.4MB in the beginning and 64.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:31:38,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.17ms. Allocated memory is still 127.9MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:31:38,107 INFO L158 Benchmark]: Boogie Preprocessor took 34.41ms. Allocated memory is still 127.9MB. Free memory was 62.5MB in the beginning and 60.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:31:38,108 INFO L158 Benchmark]: RCFGBuilder took 640.94ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 60.9MB in the beginning and 139.9MB in the end (delta: -79.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-08 23:31:38,108 INFO L158 Benchmark]: CodeCheck took 4038.38ms. Allocated memory is still 172.0MB. Free memory was 139.9MB in the beginning and 66.5MB in the end (delta: 73.4MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-11-08 23:31:38,108 INFO L158 Benchmark]: Witness Printer took 134.60ms. Allocated memory is still 172.0MB. Free memory was 66.5MB in the beginning and 61.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:31:38,110 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, 31 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 560 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 402 mSDsluCounter, 361 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 271 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1124 IncrementalHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 271 mSolverCounterUnsat, 171 mSDtfsCounter, 1124 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1027 GetRequests, 921 SyntacticMatches, 32 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2381 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 7/7 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: 599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (i <= 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (((2 <= len) && (len <= 2)) && (len <= 2)) - InvariantResult [Line: 587]: Location Invariant Derived location invariant: ((2 <= len) && (len <= 2)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.40ms. Allocated memory is still 127.9MB. Free memory was 84.4MB in the beginning and 64.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.17ms. Allocated memory is still 127.9MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.41ms. Allocated memory is still 127.9MB. Free memory was 62.5MB in the beginning and 60.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.94ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 60.9MB in the beginning and 139.9MB in the end (delta: -79.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * CodeCheck took 4038.38ms. Allocated memory is still 172.0MB. Free memory was 139.9MB in the beginning and 66.5MB in the end (delta: 73.4MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * Witness Printer took 134.60ms. Allocated memory is still 172.0MB. Free memory was 66.5MB in the beginning and 61.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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! [2024-11-08 23:31:38,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f84be44-9c7b-4c88-8a37-8b523a708b47/bin/ukojak-verify-ImItNfHLgk/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