./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL --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 2188f6336d1ca1c280fca67f4da63aab9226326f5793dc0ad50e5520551c6099 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:55,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:55,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:01:55,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:55,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:55,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:55,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:55,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:55,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:55,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:55,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:55,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:55,475 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:55,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:55,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:55,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:55,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:55,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:55,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:55,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:55,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:55,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:55,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:55,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:55,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:55,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:55,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:55,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:55,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:55,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:55,484 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:55,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:55,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:55,485 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_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2188f6336d1ca1c280fca67f4da63aab9226326f5793dc0ad50e5520551c6099 [2023-11-19 04:01:55,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:55,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:55,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:55,825 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:55,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:55,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i [2023-11-19 04:01:58,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:59,301 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:59,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i [2023-11-19 04:01:59,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/data/654fa7533/221443542c8a4fee9e54480d3a699616/FLAGf0e385cd5 [2023-11-19 04:01:59,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/data/654fa7533/221443542c8a4fee9e54480d3a699616 [2023-11-19 04:01:59,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:59,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:59,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:59,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:59,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:59,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3539657d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59, skipping insertion in model container [2023-11-19 04:01:59,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:59,598 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_e859f35f-3966-4271-bd1e-10885fd54582/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i[916,929] [2023-11-19 04:01:59,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:59,666 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:59,678 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_e859f35f-3966-4271-bd1e-10885fd54582/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-27.i[916,929] [2023-11-19 04:01:59,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:59,736 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:59,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59 WrapperNode [2023-11-19 04:01:59,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:59,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:59,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:59,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:59,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,802 INFO L138 Inliner]: procedures = 26, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 372 [2023-11-19 04:01:59,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:59,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:59,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:59,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:59,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:59,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:59,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:59,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:59,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:59" (1/1) ... [2023-11-19 04:01:59,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:59,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:59,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:59,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:01:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:01:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:59,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:00,077 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:00,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:00,559 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:01,398 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:01,398 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:02:01,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:01 BoogieIcfgContainer [2023-11-19 04:02:01,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:01,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:01,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:01,446 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:01,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:01" (1/1) ... [2023-11-19 04:02:01,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2023-11-19 04:02:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-11-19 04:02:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:02:01,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:01,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:03,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-19 04:02:03,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:03,695 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:02:03,697 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 6 case distinctions, treesize of input 44 treesize of output 41 [2023-11-19 04:02:03,930 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 44 treesize of output 41 [2023-11-19 04:02:04,369 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 58 treesize of output 54 [2023-11-19 04:02:04,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:02:04,743 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 15 case distinctions, treesize of input 65 treesize of output 64 [2023-11-19 04:02:04,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:02:04,988 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 15 case distinctions, treesize of input 65 treesize of output 64 [2023-11-19 04:02:05,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:02:05,313 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 15 case distinctions, treesize of input 65 treesize of output 64 [2023-11-19 04:02:05,546 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 65 treesize of output 64 [2023-11-19 04:02:05,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:02:05,947 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 74 treesize of output 76 [2023-11-19 04:02:23,484 WARN L293 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-19 04:02:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 179 proven. 36 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-19 04:02:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:44,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 77 states and 150 transitions. [2023-11-19 04:02:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2023-11-19 04:02:44,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:02:44,259 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 04:02:44,267 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:02:44,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:44,295 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:44,295 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:02:44,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:02:44 ImpRootNode [2023-11-19 04:02:44,296 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:02:44,296 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:02:44,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:02:44,297 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:02:44,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:01" (3/4) ... [2023-11-19 04:02:44,299 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:02:44,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:02:44,315 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2023-11-19 04:02:44,317 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 04:02:44,318 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:02:44,319 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:02:44,488 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:02:44,488 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:02:44,488 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:02:44,489 INFO L158 Benchmark]: Toolchain (without parser) took 45141.00ms. Allocated memory was 174.1MB in the beginning and 385.9MB in the end (delta: 211.8MB). Free memory was 140.6MB in the beginning and 255.3MB in the end (delta: -114.7MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2023-11-19 04:02:44,490 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:44,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.66ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 125.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:02:44,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.15ms. Allocated memory is still 174.1MB. Free memory was 125.6MB in the beginning and 121.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:44,491 INFO L158 Benchmark]: Boogie Preprocessor took 60.84ms. Allocated memory is still 174.1MB. Free memory was 121.9MB in the beginning and 119.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:44,491 INFO L158 Benchmark]: RCFGBuilder took 1539.37ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 119.3MB in the beginning and 160.1MB in the end (delta: -40.9MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2023-11-19 04:02:44,492 INFO L158 Benchmark]: CodeCheck took 42860.73ms. Allocated memory was 218.1MB in the beginning and 385.9MB in the end (delta: 167.8MB). Free memory was 159.8MB in the beginning and 265.7MB in the end (delta: -105.9MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:44,492 INFO L158 Benchmark]: Witness Printer took 192.11ms. Allocated memory is still 385.9MB. Free memory was 265.7MB in the beginning and 255.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:02:44,494 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, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 56 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 574 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 3547 SizeOfPredicates, 21 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 236/272 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: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: 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 0.34ms. Allocated memory is still 130.0MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.66ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 125.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.15ms. Allocated memory is still 174.1MB. Free memory was 125.6MB in the beginning and 121.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.84ms. Allocated memory is still 174.1MB. Free memory was 121.9MB in the beginning and 119.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1539.37ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 119.3MB in the beginning and 160.1MB in the end (delta: -40.9MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. * CodeCheck took 42860.73ms. Allocated memory was 218.1MB in the beginning and 385.9MB in the end (delta: 167.8MB). Free memory was 159.8MB in the beginning and 265.7MB in the end (delta: -105.9MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 192.11ms. Allocated memory is still 385.9MB. Free memory was 265.7MB in the beginning and 255.3MB 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! [2023-11-19 04:02:44,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e859f35f-3966-4271-bd1e-10885fd54582/bin/ukojak-verify-G8NBE6pJGL/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