./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c385b852b90f82574c09ce3a5a40d3e4c1ceeeb1354f53e9c25575a34d805b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:49:42,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:49:42,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:49:42,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:49:42,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:49:42,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:49:42,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:49:42,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:49:42,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:49:42,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:49:42,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:49:42,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:49:42,391 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:49:42,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:49:42,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:49:42,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:49:42,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:49:42,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:49:42,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:49:42,395 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:49:42,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:49:42,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:49:42,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:49:42,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:49:42,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:49:42,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:49:42,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:49:42,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:49:42,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:49:42,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:49:42,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:49:42,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:49:42,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:49:42,403 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_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c385b852b90f82574c09ce3a5a40d3e4c1ceeeb1354f53e9c25575a34d805b6 [2023-12-03 00:49:42,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:49:42,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:49:42,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:49:42,636 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:49:42,637 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:49:42,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i [2023-12-03 00:49:45,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:49:45,580 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:49:45,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i [2023-12-03 00:49:45,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/data/ec89b7c7f/e8453210c2004ded8640d3ab55c2077b/FLAG1734ad48a [2023-12-03 00:49:45,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/data/ec89b7c7f/e8453210c2004ded8640d3ab55c2077b [2023-12-03 00:49:45,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:49:45,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:49:45,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:49:45,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:49:45,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:49:45,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c33781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45, skipping insertion in model container [2023-12-03 00:49:45,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:49:45,755 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_507ecf08-dd83-45c5-a5fa-26d3d1352c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i[916,929] [2023-12-03 00:49:45,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:49:45,816 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:49:45,826 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_507ecf08-dd83-45c5-a5fa-26d3d1352c72/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i[916,929] [2023-12-03 00:49:45,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:49:45,876 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:49:45,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45 WrapperNode [2023-12-03 00:49:45,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:49:45,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:49:45,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:49:45,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:49:45,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,934 INFO L138 Inliner]: procedures = 26, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2023-12-03 00:49:45,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:49:45,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:49:45,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:49:45,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:49:45,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:49:45,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:49:45,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:49:45,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:49:45,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:49:45" (1/1) ... [2023-12-03 00:49:45,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:49:45,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:49:46,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:49:46,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:49:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:49:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:49:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:49:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:49:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:49:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:49:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:49:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:49:46,110 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:49:46,111 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:49:46,411 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:49:46,807 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:49:46,808 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:49:46,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:49:46 BoogieIcfgContainer [2023-12-03 00:49:46,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:49:46,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:49:46,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:49:46,818 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:49:46,818 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:49:46" (1/1) ... [2023-12-03 00:49:46,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:49:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:46,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-12-03 00:49:46,875 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-12-03 00:49:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:49:46,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:47,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 117 conjunts are in the unsatisfiable core [2023-12-03 00:49:47,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:48,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:49:48,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 136 treesize of output 135 [2023-12-03 00:49:48,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 123 [2023-12-03 00:49:49,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 123 [2023-12-03 00:49:50,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 128 [2023-12-03 00:49:51,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 131 [2023-12-03 00:49:52,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:49:52,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 156 treesize of output 134 [2023-12-03 00:49:52,737 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:49:52,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 147 treesize of output 131 [2023-12-03 00:49:53,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:49:53,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 147 treesize of output 122 [2023-12-03 00:49:53,634 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:49:53,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 138 treesize of output 110 [2023-12-03 00:49:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 7 proven. 282 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-03 00:50:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 81 states and 206 transitions. [2023-12-03 00:50:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 206 transitions. [2023-12-03 00:50:01,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:50:01,917 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 00:50:01,924 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 00:50:01,946 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:50:01,949 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:50:01,950 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:50:01,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:50:01 ImpRootNode [2023-12-03 00:50:01,950 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:50:01,951 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:50:01,951 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:50:01,951 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:50:01,952 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:49:46" (3/4) ... [2023-12-03 00:50:01,954 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:50:01,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 00:50:01,965 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2023-12-03 00:50:01,966 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 00:50:01,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:50:01,968 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:50:02,086 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:50:02,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:50:02,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:50:02,088 INFO L158 Benchmark]: Toolchain (without parser) took 16484.95ms. Allocated memory was 167.8MB in the beginning and 373.3MB in the end (delta: 205.5MB). Free memory was 118.5MB in the beginning and 270.6MB in the end (delta: -152.1MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2023-12-03 00:50:02,088 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory was 134.1MB in the beginning and 134.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:50:02,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.30ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 104.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:50:02,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.85ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 100.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:50:02,089 INFO L158 Benchmark]: Boogie Preprocessor took 44.97ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:50:02,089 INFO L158 Benchmark]: RCFGBuilder took 828.56ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 98.8MB in the beginning and 144.0MB in the end (delta: -45.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-12-03 00:50:02,090 INFO L158 Benchmark]: CodeCheck took 15140.12ms. Allocated memory was 213.9MB in the beginning and 373.3MB in the end (delta: 159.4MB). Free memory was 144.0MB in the beginning and 280.0MB in the end (delta: -135.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-12-03 00:50:02,090 INFO L158 Benchmark]: Witness Printer took 136.12ms. Allocated memory is still 373.3MB. Free memory was 280.0MB in the beginning and 270.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:50:02,092 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 44 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 636 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1666 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 9028 SizeOfPredicates, 25 NumberOfNonLiveVariables, 341 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 24/306 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: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: 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 0.22ms. Allocated memory is still 167.8MB. Free memory was 134.1MB in the beginning and 134.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.30ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 104.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.85ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 100.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.97ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.56ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 98.8MB in the beginning and 144.0MB in the end (delta: -45.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * CodeCheck took 15140.12ms. Allocated memory was 213.9MB in the beginning and 373.3MB in the end (delta: 159.4MB). Free memory was 144.0MB in the beginning and 280.0MB in the end (delta: -135.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 136.12ms. Allocated memory is still 373.3MB. Free memory was 280.0MB in the beginning and 270.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:50:02,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507ecf08-dd83-45c5-a5fa-26d3d1352c72/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE