./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9 --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 a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:59:26,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:59:26,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:59:26,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:59:26,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:59:26,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:59:26,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:59:26,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:59:26,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:59:26,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:59:26,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:59:26,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:59:26,110 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:59:26,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:59:26,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:59:26,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:59:26,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:59:26,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:59:26,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:59:26,114 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:59:26,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:59:26,115 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:59:26,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:59:26,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:59:26,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:59:26,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:59:26,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:59:26,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:59:26,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:59:26,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:59:26,119 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:59:26,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:59:26,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:59:26,120 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_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 [2023-12-03 01:59:26,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:59:26,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:59:26,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:59:26,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:59:26,355 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:59:26,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2023-12-03 01:59:29,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:59:29,344 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:59:29,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2023-12-03 01:59:29,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/data/c1d30706f/214892ae7d9d4bd8a7f65cf2f4bcf7b0/FLAGd5dc746b9 [2023-12-03 01:59:29,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/data/c1d30706f/214892ae7d9d4bd8a7f65cf2f4bcf7b0 [2023-12-03 01:59:29,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:59:29,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:59:29,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:59:29,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:59:29,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:59:29,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1582252d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29, skipping insertion in model container [2023-12-03 01:59:29,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,406 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:59:29,559 WARN L240 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_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i[916,929] [2023-12-03 01:59:29,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:59:29,629 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:59:29,643 WARN L240 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_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i[916,929] [2023-12-03 01:59:29,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:59:29,707 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:59:29,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29 WrapperNode [2023-12-03 01:59:29,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:59:29,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:59:29,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:59:29,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:59:29,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,777 INFO L138 Inliner]: procedures = 26, calls = 174, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 449 [2023-12-03 01:59:29,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:59:29,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:59:29,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:59:29,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:59:29,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:59:29,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:59:29,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:59:29,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:59:29,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:29" (1/1) ... [2023-12-03 01:59:29,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:59:29,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:59:29,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:59:29,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:59:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:59:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:59:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:59:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:59:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:59:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:59:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:59:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:59:30,014 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:59:30,017 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:59:30,467 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:59:31,058 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:59:31,058 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:59:31,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:31 BoogieIcfgContainer [2023-12-03 01:59:31,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:59:31,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:59:31,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:59:31,071 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:59:31,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:31" (1/1) ... [2023-12-03 01:59:31,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:59:31,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 55 states and 78 transitions. [2023-12-03 01:59:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2023-12-03 01:59:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 01:59:31,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:31,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:32,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 01:59:32,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:32,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:59:32,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 106 treesize of output 46 [2023-12-03 01:59:32,873 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 [2023-12-03 01:59:33,011 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:59:33,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2023-12-03 01:59:33,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:59:33,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 37 [2023-12-03 01:59:33,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2023-12-03 01:59:34,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2023-12-03 01:59:34,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 73 [2023-12-03 01:59:35,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:59:35,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 79 treesize of output 85 [2023-12-03 01:59:35,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:59:35,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 79 treesize of output 85 [2023-12-03 01:59:35,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:59:35,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 79 treesize of output 85 [2023-12-03 01:59:40,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 799 treesize of output 741 [2023-12-03 01:59:40,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 10 select indices, 10 select index equivalence classes, 92 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 594 treesize of output 1630 [2023-12-03 01:59:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 363 proven. 89 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 01:59:56,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 02:00:00,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 02:00:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 101 states and 204 transitions. [2023-12-03 02:00:00,609 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 204 transitions. [2023-12-03 02:00:00,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:00:00,613 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 02:00:00,618 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:00:00,641 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:00:00,644 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:00:00,645 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:00:00,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:00:00 ImpRootNode [2023-12-03 02:00:00,645 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:00:00,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:00:00,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:00:00,646 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:00:00,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:31" (3/4) ... [2023-12-03 02:00:00,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:00:00,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 02:00:00,658 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2023-12-03 02:00:00,659 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-03 02:00:00,660 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 02:00:00,661 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:00:00,818 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:00:00,818 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:00:00,819 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:00:00,819 INFO L158 Benchmark]: Toolchain (without parser) took 31451.71ms. Allocated memory was 142.6MB in the beginning and 484.4MB in the end (delta: 341.8MB). Free memory was 106.8MB in the beginning and 347.1MB in the end (delta: -240.2MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. [2023-12-03 02:00:00,820 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:00,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.03ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 89.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:00:00,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.83ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 84.6MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:00:00,821 INFO L158 Benchmark]: Boogie Preprocessor took 58.97ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 81.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:00:00,821 INFO L158 Benchmark]: RCFGBuilder took 1221.90ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 81.0MB in the beginning and 161.4MB in the end (delta: -80.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-12-03 02:00:00,822 INFO L158 Benchmark]: CodeCheck took 29584.01ms. Allocated memory was 216.0MB in the beginning and 484.4MB in the end (delta: 268.4MB). Free memory was 161.4MB in the beginning and 358.6MB in the end (delta: -197.2MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2023-12-03 02:00:00,822 INFO L158 Benchmark]: Witness Printer took 173.17ms. Allocated memory is still 484.4MB. Free memory was 358.6MB in the beginning and 347.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:00:00,824 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, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 396 IncrementalHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 5 mSDtfsCounter, 396 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 796 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 19.3s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3913 SizeOfPredicates, 29 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 417/506 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: 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 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.03ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 89.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.83ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 84.6MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.97ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 81.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1221.90ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 81.0MB in the beginning and 161.4MB in the end (delta: -80.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * CodeCheck took 29584.01ms. Allocated memory was 216.0MB in the beginning and 484.4MB in the end (delta: 268.4MB). Free memory was 161.4MB in the beginning and 358.6MB in the end (delta: -197.2MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Witness Printer took 173.17ms. Allocated memory is still 484.4MB. Free memory was 358.6MB in the beginning and 347.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:00:00,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0e6faf-9297-4a9c-8c2d-9e9e9495d645/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE