./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 cf1a7837 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_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/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_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV --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 0.2.3-dev-cf1a783 [2023-11-11 23:51:09,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:09,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:51:09,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:09,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:10,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:10,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:10,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:10,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:10,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:10,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:10,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:10,005 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:10,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:10,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:10,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:10,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:10,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:10,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:10,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:10,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:10,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:10,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:10,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:10,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:10,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:10,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:10,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:10,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:10,016 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:10,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:10,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:10,017 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_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45c2430f9ee77637d939805617689caafff3a773f20a4396b37c0a4bb861fb3 [2023-11-11 23:51:10,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:10,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:10,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:10,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:10,408 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:10,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2023-11-11 23:51:13,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:13,983 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:13,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i [2023-11-11 23:51:13,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/data/8aa68eda8/c6c6695875764559aa99d9f7bb0b0835/FLAG97276fe33 [2023-11-11 23:51:14,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/data/8aa68eda8/c6c6695875764559aa99d9f7bb0b0835 [2023-11-11 23:51:14,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:14,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:14,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:14,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:14,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:14,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510a09ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14, skipping insertion in model container [2023-11-11 23:51:14,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:14,212 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_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i[916,929] [2023-11-11 23:51:14,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:14,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:14,306 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_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-85.i[916,929] [2023-11-11 23:51:14,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:14,395 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:14,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14 WrapperNode [2023-11-11 23:51:14,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:14,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:14,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:14,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:14,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,508 INFO L138 Inliner]: procedures = 26, calls = 174, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 449 [2023-11-11 23:51:14,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:14,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:14,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:14,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:14,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:14,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:14,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:14,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:14,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:14" (1/1) ... [2023-11-11 23:51:14,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:14,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:14,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:14,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:51:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:51:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:51:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:51:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:51:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:14,892 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:14,895 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:15,690 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:16,943 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:16,943 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:51:16,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:16 BoogieIcfgContainer [2023-11-11 23:51:16,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:16,948 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:16,948 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:16,958 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:16,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:16" (1/1) ... [2023-11-11 23:51:16,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:51:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 55 states and 78 transitions. [2023-11-11 23:51:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2023-11-11 23:51:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-11 23:51:17,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:19,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 168 conjunts are in the unsatisfiable core [2023-11-11 23:51:19,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:19,266 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:19,268 INFO L351 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 [2023-11-11 23:51:19,445 INFO L351 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 [2023-11-11 23:51:19,661 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:19,662 INFO L351 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 [2023-11-11 23:51:19,802 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:19,803 INFO L351 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 [2023-11-11 23:51:20,076 INFO L351 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 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-11 23:51:20,592 INFO L351 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 [2023-11-11 23:51:21,333 INFO L351 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 [2023-11-11 23:51:22,252 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:22,252 INFO L351 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 15 case distinctions, treesize of input 70 treesize of output 73 [2023-11-11 23:51:22,571 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:22,572 INFO L351 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 15 case distinctions, treesize of input 70 treesize of output 73 [2023-11-11 23:51:22,888 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:22,890 INFO L351 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 15 case distinctions, treesize of input 70 treesize of output 73 [2023-11-11 23:51:28,733 INFO L351 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 597 treesize of output 565 [2023-11-11 23:51:29,000 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 10 select indices, 10 select index equivalence classes, 92 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 732 [2023-11-11 23:51:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 363 proven. 83 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-11 23:51:42,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-11 23:51:47,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-11 23:51:48,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-11 23:51:51,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-11 23:51:54,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-11 23:51:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 101 states and 204 transitions. [2023-11-11 23:51:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 204 transitions. [2023-11-11 23:51:54,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:51:54,719 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-11 23:51:54,727 INFO L753 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-11 23:51:54,759 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:51:54,764 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:51:54,764 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:51:54,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:51:54 ImpRootNode [2023-11-11 23:51:54,766 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:51:54,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:51:54,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:51:54,767 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:51:54,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:16" (3/4) ... [2023-11-11 23:51:54,770 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:51:54,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-11 23:51:54,799 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2023-11-11 23:51:54,800 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:51:54,802 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-11 23:51:54,803 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:51:55,072 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:51:55,072 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:51:55,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:51:55,073 INFO L158 Benchmark]: Toolchain (without parser) took 41058.69ms. Allocated memory was 142.6MB in the beginning and 597.7MB in the end (delta: 455.1MB). Free memory was 98.1MB in the beginning and 438.0MB in the end (delta: -339.9MB). Peak memory consumption was 117.3MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,074 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:55,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.21ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 80.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.39ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 75.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,075 INFO L158 Benchmark]: Boogie Preprocessor took 108.90ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 72.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,076 INFO L158 Benchmark]: RCFGBuilder took 2327.67ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 71.8MB in the beginning and 141.6MB in the end (delta: -69.7MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,076 INFO L158 Benchmark]: CodeCheck took 37817.68ms. Allocated memory was 186.6MB in the beginning and 597.7MB in the end (delta: 411.0MB). Free memory was 141.6MB in the beginning and 449.4MB in the end (delta: -307.9MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,077 INFO L158 Benchmark]: Witness Printer took 305.91ms. Allocated memory is still 597.7MB. Free memory was 449.4MB in the beginning and 438.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,080 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: 37.7s, 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, 13.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 13.4s 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, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3364 SizeOfPredicates, 28 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 168 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 423/506 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 0.37ms. Allocated memory is still 142.6MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.21ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 80.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.39ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 75.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.90ms. Allocated memory is still 142.6MB. Free memory was 75.5MB in the beginning and 72.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2327.67ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 71.8MB in the beginning and 141.6MB in the end (delta: -69.7MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * CodeCheck took 37817.68ms. Allocated memory was 186.6MB in the beginning and 597.7MB in the end (delta: 411.0MB). Free memory was 141.6MB in the beginning and 449.4MB in the end (delta: -307.9MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. * Witness Printer took 305.91ms. Allocated memory is still 597.7MB. Free memory was 449.4MB in the beginning and 438.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:51:55,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edff33-2cb2-4b9b-8707-0934cb2a2d54/bin/ukojak-verify-0OAaufAVZV/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