./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi --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 ef6497bb448d9a320776973de65f322a5dd7ce0e422c6531ce8baf2751ae72d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:59,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:59,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:17:59,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:59,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:59,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:59,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:59,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:59,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:59,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:59,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:59,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:59,213 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:59,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:59,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:59,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:59,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:59,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:59,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:59,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:59,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:59,218 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:59,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:59,220 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:59,220 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:59,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:59,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:59,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:59,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:59,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:59,223 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:59,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:59,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:59,224 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_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef6497bb448d9a320776973de65f322a5dd7ce0e422c6531ce8baf2751ae72d5 [2023-11-24 22:17:59,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:59,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:59,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:59,563 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:59,563 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:59,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i [2023-11-24 22:18:02,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:03,050 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:03,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i [2023-11-24 22:18:03,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/data/6e49fae5a/c0b722197c904aa39c211ed390420271/FLAGe9a90e629 [2023-11-24 22:18:03,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/data/6e49fae5a/c0b722197c904aa39c211ed390420271 [2023-11-24 22:18:03,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:03,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:03,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:03,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:03,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:03,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afcc4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03, skipping insertion in model container [2023-11-24 22:18:03,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,150 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:03,352 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_ef14df44-a5fe-4f74-99fa-9011f2a31503/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i[915,928] [2023-11-24 22:18:03,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:03,478 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:03,491 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_ef14df44-a5fe-4f74-99fa-9011f2a31503/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i[915,928] [2023-11-24 22:18:03,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:03,562 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:03,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03 WrapperNode [2023-11-24 22:18:03,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:03,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:03,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:03,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:03,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,683 INFO L138 Inliner]: procedures = 26, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-24 22:18:03,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:03,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:03,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:03,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:03,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:03,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:03,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:03,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:03,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:03" (1/1) ... [2023-11-24 22:18:03,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:03,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:03,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:03,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:18:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:18:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:04,037 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:04,040 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:04,649 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:05,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:05,318 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:18:05,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:05 BoogieIcfgContainer [2023-11-24 22:18:05,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:05,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:05,321 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:05,333 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:05,333 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:05" (1/1) ... [2023-11-24 22:18:05,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2023-11-24 22:18:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-11-24 22:18:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 22:18:05,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:05,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:08,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 109 conjunts are in the unsatisfiable core [2023-11-24 22:18:08,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:08,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:18:08,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 102 treesize of output 36 [2023-11-24 22:18:09,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 31 treesize of output 15 [2023-11-24 22:18:09,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 31 treesize of output 15 [2023-11-24 22:18:09,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:18:09,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 30 [2023-11-24 22:18:09,999 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 0 case distinctions, treesize of input 54 treesize of output 44 [2023-11-24 22:18:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 258 proven. 22 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:18:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:22,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 89 states and 159 transitions. [2023-11-24 22:18:22,029 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 159 transitions. [2023-11-24 22:18:22,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:18:22,034 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 22:18:22,051 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:18:22,083 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:18:22,087 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:18:22,088 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:18:22,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:22 ImpRootNode [2023-11-24 22:18:22,089 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:22,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:22,090 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:22,090 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:22,091 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:05" (3/4) ... [2023-11-24 22:18:22,093 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:18:22,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 22:18:22,109 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2023-11-24 22:18:22,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 22:18:22,112 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:18:22,113 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:18:22,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:18:22,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:18:22,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:22,321 INFO L158 Benchmark]: Toolchain (without parser) took 19239.14ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 143.3MB in the beginning and 212.1MB in the end (delta: -68.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:22,321 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:22,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.12ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 126.5MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:18:22,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.68ms. Allocated memory is still 186.6MB. Free memory was 126.5MB in the beginning and 122.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:18:22,322 INFO L158 Benchmark]: Boogie Preprocessor took 112.36ms. Allocated memory is still 186.6MB. Free memory was 122.0MB in the beginning and 118.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:22,323 INFO L158 Benchmark]: RCFGBuilder took 1522.14ms. Allocated memory is still 186.6MB. Free memory was 118.8MB in the beginning and 133.2MB in the end (delta: -14.4MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-24 22:18:22,323 INFO L158 Benchmark]: CodeCheck took 16768.37ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 133.2MB in the beginning and 222.6MB in the end (delta: -89.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:22,324 INFO L158 Benchmark]: Witness Printer took 230.35ms. Allocated memory is still 270.5MB. Free memory was 222.6MB in the beginning and 212.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:18:22,327 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, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 90 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 656 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 1691 SizeOfPredicates, 22 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 358/380 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: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: 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 121.6MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.12ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 126.5MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.68ms. Allocated memory is still 186.6MB. Free memory was 126.5MB in the beginning and 122.0MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.36ms. Allocated memory is still 186.6MB. Free memory was 122.0MB in the beginning and 118.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1522.14ms. Allocated memory is still 186.6MB. Free memory was 118.8MB in the beginning and 133.2MB in the end (delta: -14.4MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * CodeCheck took 16768.37ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 133.2MB in the beginning and 222.6MB in the end (delta: -89.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 230.35ms. Allocated memory is still 270.5MB. Free memory was 222.6MB in the beginning and 212.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:18:22,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef14df44-a5fe-4f74-99fa-9011f2a31503/bin/ukojak-verify-afCqCEvfdi/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