./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35d5d98b2de2e0b78fe3c9610b248d897f0c998920a2ad434c7b6ace2f6d7db4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:51:09,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:51:10,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:51:10,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:51:10,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:51:10,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:51:10,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:51:10,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:51:10,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:51:10,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:51:10,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:51:10,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:51:10,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:51:10,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:51:10,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:51:10,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:51:10,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:51:10,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:51:10,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:51:10,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:51:10,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:51:10,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:51:10,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:51:10,027 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:51:10,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:51:10,027 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:51:10,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:51:10,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:51:10,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:51:10,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:51:10,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:51:10,028 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:51:10,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:51:10,028 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_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35d5d98b2de2e0b78fe3c9610b248d897f0c998920a2ad434c7b6ace2f6d7db4 [2024-12-06 00:51:10,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:51:10,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:51:10,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:51:10,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:51:10,242 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:51:10,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i [2024-12-06 00:51:12,831 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/data/7e822523e/3b6a9c07eae04957bea59c75aaa9042c/FLAG5761e9bf9 [2024-12-06 00:51:13,064 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:51:13,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i [2024-12-06 00:51:13,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/data/7e822523e/3b6a9c07eae04957bea59c75aaa9042c/FLAG5761e9bf9 [2024-12-06 00:51:13,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/data/7e822523e/3b6a9c07eae04957bea59c75aaa9042c [2024-12-06 00:51:13,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:51:13,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:51:13,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:51:13,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:51:13,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:51:13,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747af26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13, skipping insertion in model container [2024-12-06 00:51:13,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:51:13,531 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_65d6c00d-b10e-44df-a9bc-712be0140b2f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i[916,929] [2024-12-06 00:51:13,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:51:13,578 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:51:13,586 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_65d6c00d-b10e-44df-a9bc-712be0140b2f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i[916,929] [2024-12-06 00:51:13,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:51:13,632 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:51:13,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13 WrapperNode [2024-12-06 00:51:13,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:51:13,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:51:13,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:51:13,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:51:13,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,675 INFO L138 Inliner]: procedures = 27, calls = 145, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 407 [2024-12-06 00:51:13,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:51:13,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:51:13,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:51:13,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:51:13,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,696 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:51:13,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:51:13,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:51:13,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:51:13,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:51:13" (1/1) ... [2024-12-06 00:51:13,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:51:13,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:51:13,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:51:13,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:51:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:51:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-06 00:51:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:51:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:51:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:51:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:51:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:51:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:51:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:51:13,857 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:51:13,859 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:51:14,195 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-12-06 00:51:14,195 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:51:14,634 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:51:14,634 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:51:14,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:51:14 BoogieIcfgContainer [2024-12-06 00:51:14,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:51:14,635 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:51:14,635 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:51:14,645 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:51:14,645 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:51:14" (1/1) ... [2024-12-06 00:51:14,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:51:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2024-12-06 00:51:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-12-06 00:51:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:51:14,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:14,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:51:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:16,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-06 00:51:16,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:51:16,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2024-12-06 00:51:16,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 65 [2024-12-06 00:51:16,717 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:51:16,719 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2024-12-06 00:51:16,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:51:16,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:17,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:17,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:17,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:17,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:18,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 66 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 325 treesize of output 286 [2024-12-06 00:51:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 19 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-06 00:51:31,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-06 00:51:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2024-12-06 00:51:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2024-12-06 00:51:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:51:31,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:31,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:51:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:32,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-06 00:51:32,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:51:32,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2024-12-06 00:51:32,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 65 [2024-12-06 00:51:32,902 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:51:32,902 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2024-12-06 00:51:33,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:33,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:33,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:33,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:33,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 00:51:34,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 66 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 325 treesize of output 286 [2024-12-06 00:51:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 19 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-06 00:51:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 121 transitions. [2024-12-06 00:51:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2024-12-06 00:51:37,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:51:37,369 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-12-06 00:51:37,376 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 00:51:37,405 INFO L77 FloydHoareUtils]: At program point L93(line 93) the Hoare annotation is: true [2024-12-06 00:51:37,405 INFO L77 FloydHoareUtils]: At program point L93-1(line 93) the Hoare annotation is: true [2024-12-06 00:51:37,405 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) [2024-12-06 00:51:37,405 INFO L75 FloydHoareUtils]: For program point L19-1(line 19) no Hoare annotation was computed. [2024-12-06 00:51:37,405 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-12-06 00:51:37,405 INFO L77 FloydHoareUtils]: At program point L102(line 102) the Hoare annotation is: true [2024-12-06 00:51:37,405 INFO L77 FloydHoareUtils]: At program point L102-1(line 102) the Hoare annotation is: true [2024-12-06 00:51:37,405 INFO L77 FloydHoareUtils]: At program point L86(line 86) the Hoare annotation is: true [2024-12-06 00:51:37,405 INFO L77 FloydHoareUtils]: At program point L86-1(line 86) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L95(line 95) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L95-1(line 95) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L87(line 87) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L87-1(line 87) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L104(line 104) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L104-1(line 104) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L96(line 96) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L96-1(line 96) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L105(line 105) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L105-1(line 105) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L89(line 89) the Hoare annotation is: true [2024-12-06 00:51:37,406 INFO L77 FloydHoareUtils]: At program point L89-1(line 89) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L98(line 98) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L98-1(line 98) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L90(line 90) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L90-1(line 90) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L99(line 99) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L99-1(line 99) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L92(line 92) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L92-1(line 92) the Hoare annotation is: true [2024-12-06 00:51:37,407 INFO L77 FloydHoareUtils]: At program point L117-2(lines 117 123) the Hoare annotation is: true [2024-12-06 00:51:37,408 INFO L77 FloydHoareUtils]: At program point L101(line 101) the Hoare annotation is: true [2024-12-06 00:51:37,408 INFO L77 FloydHoareUtils]: At program point L101-1(line 101) the Hoare annotation is: true [2024-12-06 00:51:37,408 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-12-06 00:51:37,408 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: true [2024-12-06 00:51:37,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:51:37 ImpRootNode [2024-12-06 00:51:37,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:51:37,418 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:51:37,418 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:51:37,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:51:37,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:51:14" (3/4) ... [2024-12-06 00:51:37,421 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:51:37,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 00:51:37,427 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-12-06 00:51:37,428 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-06 00:51:37,428 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 00:51:37,429 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:51:37,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:51:37,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:51:37,526 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:51:37,527 INFO L158 Benchmark]: Toolchain (without parser) took 24109.20ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 116.6MB in the beginning and 425.0MB in the end (delta: -308.4MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2024-12-06 00:51:37,528 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:51:37,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.86ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 101.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:51:37,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.40ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 97.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:51:37,529 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 95.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:51:37,529 INFO L158 Benchmark]: RCFGBuilder took 928.04ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 60.7MB in the end (delta: 34.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 00:51:37,529 INFO L158 Benchmark]: CodeCheck took 22782.88ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 60.7MB in the beginning and 433.4MB in the end (delta: -372.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-12-06 00:51:37,530 INFO L158 Benchmark]: Witness Printer took 107.92ms. Allocated memory is still 536.9MB. Free memory was 433.4MB in the beginning and 425.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:51:37,532 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 167 SdHoareTripleChecker+Valid, 22.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 22.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 96 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 936 SyntacticMatches, 36 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 1834 SizeOfPredicates, 20 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 326/364 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 19]: 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: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((isInitial == \old(isInitial)) && (WrapperStruct00 == \old(WrapperStruct00))) && (last_1_WrapperStruct00_var_1_10 == \old(last_1_WrapperStruct00_var_1_10))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.86ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 101.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.40ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 97.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 95.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 928.04ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 60.7MB in the end (delta: 34.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * CodeCheck took 22782.88ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 60.7MB in the beginning and 433.4MB in the end (delta: -372.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Witness Printer took 107.92ms. Allocated memory is still 536.9MB. Free memory was 433.4MB in the beginning and 425.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:51:37,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d6c00d-b10e-44df-a9bc-712be0140b2f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE