./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab65f956ab163b80526b0084797effd91e1aac547effeb9a1fdab821fa279e8e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:30,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:30,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:55:30,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:30,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:30,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:30,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:30,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:30,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:30,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:30,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:30,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:30,235 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:30,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:30,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:30,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:30,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:30,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:30,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:30,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:30,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:30,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:30,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:30,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:30,245 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:30,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:30,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:30,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:30,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:30,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:30,247 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:30,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:30,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:30,249 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_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab65f956ab163b80526b0084797effd91e1aac547effeb9a1fdab821fa279e8e [2023-11-24 22:55:30,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:30,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:30,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:30,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:30,598 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:30,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2023-11-24 22:55:33,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:33,922 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:33,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2023-11-24 22:55:33,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/data/76d01defb/b9180670563040d9b1ee5b396989d5cd/FLAG852eba9d4 [2023-11-24 22:55:33,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/data/76d01defb/b9180670563040d9b1ee5b396989d5cd [2023-11-24 22:55:33,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:33,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:33,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:33,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:33,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:33,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:33" (1/1) ... [2023-11-24 22:55:33,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0d9629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:33, skipping insertion in model container [2023-11-24 22:55:33,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:33" (1/1) ... [2023-11-24 22:55:34,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:34,167 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_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] [2023-11-24 22:55:34,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:34,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:34,213 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_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] [2023-11-24 22:55:34,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:34,238 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:34,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34 WrapperNode [2023-11-24 22:55:34,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:34,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:34,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:34,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:34,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,294 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-24 22:55:34,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:34,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:34,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:34,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:34,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:34,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:34,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:34,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:34,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:34,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:34,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:55:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:55:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:55:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:55:34,527 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:34,530 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:34,759 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:34,817 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:34,818 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:55:34,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:34 BoogieIcfgContainer [2023-11-24 22:55:34,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:34,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:34,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:34,836 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:34,836 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-24 22:55:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-24 22:55:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:34,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:55:35,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-24 22:55:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-24 22:55:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:35,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:35,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:35,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-24 22:55:35,405 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-24 22:55:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:35,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:35,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:55:35,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:37,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:37,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2023-11-24 22:55:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2023-11-24 22:55:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:37,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:37,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:37,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:55:37,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:38,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 55 transitions. [2023-11-24 22:55:38,430 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-11-24 22:55:38,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:55:38,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:38,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:38,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:55:38,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 57 transitions. [2023-11-24 22:55:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2023-11-24 22:55:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:38,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:38,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:38,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:55:38,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:42,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 52 transitions. [2023-11-24 22:55:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2023-11-24 22:55:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:42,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:42,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:42,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:55:42,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:44,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 60 transitions. [2023-11-24 22:55:44,491 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2023-11-24 22:55:44,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:44,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:44,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:44,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:55:44,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 63 transitions. [2023-11-24 22:55:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-24 22:55:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:55:45,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:45,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:45,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:45,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 71 transitions. [2023-11-24 22:55:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2023-11-24 22:55:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:47,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:47,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:47,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:55:47,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 77 transitions. [2023-11-24 22:55:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2023-11-24 22:55:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:52,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:52,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:55:52,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:55:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 75 transitions. [2023-11-24 22:55:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2023-11-24 22:55:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:53,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:53,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:53,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:55:53,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:55:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 50 states and 78 transitions. [2023-11-24 22:55:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2023-11-24 22:55:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:55,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:55:55,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:55:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 50 states and 76 transitions. [2023-11-24 22:55:56,367 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2023-11-24 22:55:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:56,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:56,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:01,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 37 states and 49 transitions. [2023-11-24 22:56:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-24 22:56:01,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:56:01,052 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2023-11-24 22:56:01,061 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:56:01,353 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:56:01,357 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:56:01,357 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:56:01,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:01 ImpRootNode [2023-11-24 22:56:01,358 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:01,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:01,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:01,359 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:01,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:34" (3/4) ... [2023-11-24 22:56:01,362 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:56:01,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 22:56:01,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:56:01,370 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-24 22:56:01,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:56:01,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:56:01,372 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:56:01,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:56:01,485 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:56:01,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:01,486 INFO L158 Benchmark]: Toolchain (without parser) took 27518.35ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 123.0MB in the beginning and 148.8MB in the end (delta: -25.9MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2023-11-24 22:56:01,486 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:01,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.29ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 111.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:01,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.88ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 110.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:01,488 INFO L158 Benchmark]: Boogie Preprocessor took 41.14ms. Allocated memory is still 155.2MB. Free memory was 110.4MB in the beginning and 109.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:01,488 INFO L158 Benchmark]: RCFGBuilder took 481.97ms. Allocated memory is still 155.2MB. Free memory was 109.0MB in the beginning and 117.2MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:56:01,489 INFO L158 Benchmark]: CodeCheck took 26532.79ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 117.2MB in the beginning and 52.1MB in the end (delta: 65.1MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. [2023-11-24 22:56:01,490 INFO L158 Benchmark]: Witness Printer took 126.46ms. Allocated memory is still 186.6MB. Free memory was 52.1MB in the beginning and 148.8MB in the end (delta: -96.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-24 22:56:01,492 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 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1288 SdHoareTripleChecker+Valid, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 656 mSDsluCounter, 770 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 909 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3259 IncrementalHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 909 mSolverCounterUnsat, 596 mSDtfsCounter, 3259 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2576 GetRequests, 2284 SyntacticMatches, 56 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23091 ImplicationChecksByTransitivity, 22.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 1050 SizeOfPredicates, 23 NumberOfNonLiveVariables, 964 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 57/73 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: 21]: 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: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.29ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 111.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.88ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 110.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.14ms. Allocated memory is still 155.2MB. Free memory was 110.4MB in the beginning and 109.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.97ms. Allocated memory is still 155.2MB. Free memory was 109.0MB in the beginning and 117.2MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 26532.79ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 117.2MB in the beginning and 52.1MB in the end (delta: 65.1MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. * Witness Printer took 126.46ms. Allocated memory is still 186.6MB. Free memory was 52.1MB in the beginning and 148.8MB in the end (delta: -96.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:56:01,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02b3f3-8fb3-4ffd-b040-5010d0db057b/bin/ukojak-verify-afCqCEvfdi/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