./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/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_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/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_a9622ac1-5ec1-4723-8997-f157ac88a384/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 26d5f48c3aaa4f87ce3b022933cd3bb4d238eb5e6d3164b471af63fd7f3cd88c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:06,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:06,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:06,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:06,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:06,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:06,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:06,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:06,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:06,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:06,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:06,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:06,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:06,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:06,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:06,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:06,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:06,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:06,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:06,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:06,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:06,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:06,333 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:06,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:06,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:06,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:06,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:06,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:06,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:06,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:06,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:06,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:06,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:06,340 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_a9622ac1-5ec1-4723-8997-f157ac88a384/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26d5f48c3aaa4f87ce3b022933cd3bb4d238eb5e6d3164b471af63fd7f3cd88c [2023-11-19 04:06:06,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:06,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:06,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:06,741 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:06,742 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:06,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-12.i [2023-11-19 04:06:09,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:10,302 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:10,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-12.i [2023-11-19 04:06:10,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/data/393efde17/dc57e9dc241f4605b81a52a37a35968c/FLAGe3aa3d528 [2023-11-19 04:06:10,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/data/393efde17/dc57e9dc241f4605b81a52a37a35968c [2023-11-19 04:06:10,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:10,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:10,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:10,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:10,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:10,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef6489e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10, skipping insertion in model container [2023-11-19 04:06:10,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:10,540 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_a9622ac1-5ec1-4723-8997-f157ac88a384/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-12.i[916,929] [2023-11-19 04:06:10,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:10,608 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:10,622 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_a9622ac1-5ec1-4723-8997-f157ac88a384/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-12.i[916,929] [2023-11-19 04:06:10,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:10,689 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:10,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10 WrapperNode [2023-11-19 04:06:10,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:10,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:10,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:10,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:10,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,778 INFO L138 Inliner]: procedures = 26, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 386 [2023-11-19 04:06:10,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:10,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:10,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:10,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:10,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:10,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:10,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:10,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:10,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:10" (1/1) ... [2023-11-19 04:06:10,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:10,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:10,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:10,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:06:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:06:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:06:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:06:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:11,109 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:11,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:11,713 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:12,467 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:12,467 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:06:12,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:12 BoogieIcfgContainer [2023-11-19 04:06:12,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:12,475 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:12,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:12,485 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:12,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:12" (1/1) ... [2023-11-19 04:06:12,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2023-11-19 04:06:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2023-11-19 04:06:12,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:06:12,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:12,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:13,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 112 conjunts are in the unsatisfiable core [2023-11-19 04:06:13,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:13,942 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:06:13,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 04:06:14,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-19 04:06:14,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-19 04:06:14,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:06:14,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 37 [2023-11-19 04:06:15,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:06:15,088 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 52 treesize of output 49 [2023-11-19 04:06:15,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2023-11-19 04:06:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 197 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 04:06:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 142 transitions. [2023-11-19 04:06:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2023-11-19 04:06:36,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:06:36,827 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 04:06:36,838 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:06:36,864 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:06:36,869 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:06:36,869 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:06:36,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:06:36 ImpRootNode [2023-11-19 04:06:36,870 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:06:36,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:06:36,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:06:36,871 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:06:36,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:12" (3/4) ... [2023-11-19 04:06:36,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:06:36,879 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:06:36,893 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-11-19 04:06:36,895 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 04:06:36,896 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:06:36,898 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:06:37,127 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:06:37,130 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:06:37,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:06:37,131 INFO L158 Benchmark]: Toolchain (without parser) took 26800.96ms. Allocated memory was 151.0MB in the beginning and 463.5MB in the end (delta: 312.5MB). Free memory was 103.2MB in the beginning and 315.6MB in the end (delta: -212.4MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. [2023-11-19 04:06:37,132 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 151.0MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:37,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.26ms. Allocated memory is still 151.0MB. Free memory was 102.7MB in the beginning and 87.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:06:37,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.96ms. Allocated memory is still 151.0MB. Free memory was 87.6MB in the beginning and 82.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:06:37,133 INFO L158 Benchmark]: Boogie Preprocessor took 67.47ms. Allocated memory is still 151.0MB. Free memory was 82.9MB in the beginning and 80.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:06:37,134 INFO L158 Benchmark]: RCFGBuilder took 1626.94ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 79.7MB in the beginning and 85.4MB in the end (delta: -5.7MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-11-19 04:06:37,134 INFO L158 Benchmark]: CodeCheck took 24395.27ms. Allocated memory was 203.4MB in the beginning and 463.5MB in the end (delta: 260.0MB). Free memory was 85.4MB in the beginning and 325.9MB in the end (delta: -240.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-19 04:06:37,135 INFO L158 Benchmark]: Witness Printer took 260.02ms. Allocated memory is still 463.5MB. Free memory was 325.9MB in the beginning and 315.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:06:37,138 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, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 56 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 536 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 19.1s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 1577 SizeOfPredicates, 28 NumberOfNonLiveVariables, 280 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 224/240 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: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: 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 0.38ms. Allocated memory is still 151.0MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.26ms. Allocated memory is still 151.0MB. Free memory was 102.7MB in the beginning and 87.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.96ms. Allocated memory is still 151.0MB. Free memory was 87.6MB in the beginning and 82.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.47ms. Allocated memory is still 151.0MB. Free memory was 82.9MB in the beginning and 80.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1626.94ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 79.7MB in the beginning and 85.4MB in the end (delta: -5.7MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * CodeCheck took 24395.27ms. Allocated memory was 203.4MB in the beginning and 463.5MB in the end (delta: 260.0MB). Free memory was 85.4MB in the beginning and 325.9MB in the end (delta: -240.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Witness Printer took 260.02ms. Allocated memory is still 463.5MB. Free memory was 325.9MB in the beginning and 315.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:06:37,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9622ac1-5ec1-4723-8997-f157ac88a384/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