./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/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_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/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_f2a2e17b-ea52-42c2-948a-f8bdb293d275/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 5d6ad2c11d3a75b8845224ed23d407062e615cc5bd2b5ad3e6646436a3e13805 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:25,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:25,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:44:25,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:25,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:25,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:25,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:25,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:25,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:25,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:25,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:25,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:25,433 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:25,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:25,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:25,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:25,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:25,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:25,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:25,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:25,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:25,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:25,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:25,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:25,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:25,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:25,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:25,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:25,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:25,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:25,445 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:25,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:25,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:25,446 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_f2a2e17b-ea52-42c2-948a-f8bdb293d275/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d6ad2c11d3a75b8845224ed23d407062e615cc5bd2b5ad3e6646436a3e13805 [2023-11-19 03:44:25,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:25,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:25,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:25,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:25,799 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:25,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i [2023-11-19 03:44:28,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:29,093 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:29,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i [2023-11-19 03:44:29,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/data/3a6d2df91/f4f1553023f14f6da7857e0ca0c05617/FLAGc7f0f36d1 [2023-11-19 03:44:29,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/data/3a6d2df91/f4f1553023f14f6da7857e0ca0c05617 [2023-11-19 03:44:29,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:29,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:29,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:29,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:29,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:29,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bfb3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29, skipping insertion in model container [2023-11-19 03:44:29,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:29,356 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_f2a2e17b-ea52-42c2-948a-f8bdb293d275/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i[951,964] [2023-11-19 03:44:29,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:29,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:29,393 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_f2a2e17b-ea52-42c2-948a-f8bdb293d275/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i[951,964] [2023-11-19 03:44:29,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:29,415 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:29,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29 WrapperNode [2023-11-19 03:44:29,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:29,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:29,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:29,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:29,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,451 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2023-11-19 03:44:29,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:29,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:29,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:29,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:29,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:29,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:29,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:29,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:29,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:29,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:29,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:29,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:44:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:44:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:44:29,609 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:29,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:29,773 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:29,845 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:29,845 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:44:29,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:29 BoogieIcfgContainer [2023-11-19 03:44:29,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:29,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:29,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:29,862 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:29,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:29" (1/1) ... [2023-11-19 03:44:29,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:44:29,929 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:44:29,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:44:29,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:29,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:30,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:44:30,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:44:30,189 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:44:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:44:30,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:30,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:44:30,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:30,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:30,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-11-19 03:44:30,621 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:44:30,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:30,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:30,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:30,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:44:30,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 03:44:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 03:44:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:44:31,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:31,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:31,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:44:31,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 03:44:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 03:44:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:44:31,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:31,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:31,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:44:31,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:33,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-11-19 03:44:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-11-19 03:44:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:44:33,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:33,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:33,471 WARN L260 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:44:33,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2023-11-19 03:44:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2023-11-19 03:44:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:44:35,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:35,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:35,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:44:35,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:37,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2023-11-19 03:44:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2023-11-19 03:44:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:37,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:37,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:37,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:44:37,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:44:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2023-11-19 03:44:38,287 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2023-11-19 03:44:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:44:38,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:38,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:44:38,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 59 states and 97 transitions. [2023-11-19 03:44:40,669 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2023-11-19 03:44:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:44:40,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:40,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:40,958 WARN L260 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:44:40,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:44:44,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2023-11-19 03:44:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2023-11-19 03:44:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:44:44,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:44,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:44,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:44:44,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:44:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2023-11-19 03:44:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2023-11-19 03:44:48,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:44:48,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:48,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:48,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:44:48,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:44:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:52,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 83 states and 143 transitions. [2023-11-19 03:44:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 143 transitions. [2023-11-19 03:44:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:44:52,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:52,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:52,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:44:52,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:44:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 147 transitions. [2023-11-19 03:44:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 147 transitions. [2023-11-19 03:44:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:44:54,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:54,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:44:54,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:44:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 90 states and 159 transitions. [2023-11-19 03:44:59,882 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 159 transitions. [2023-11-19 03:44:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:44:59,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:59,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:00,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 03:45:00,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:45:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 93 states and 166 transitions. [2023-11-19 03:45:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 166 transitions. [2023-11-19 03:45:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:45:04,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:04,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:04,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:45:04,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:45:06,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 95 states and 170 transitions. [2023-11-19 03:45:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 170 transitions. [2023-11-19 03:45:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:45:06,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:07,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:45:07,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 7 proven. 56 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:45:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 103 states and 188 transitions. [2023-11-19 03:45:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 188 transitions. [2023-11-19 03:45:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:45:13,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:14,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:45:14,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:45:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 59 states and 77 transitions. [2023-11-19 03:45:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2023-11-19 03:45:15,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:45:15,442 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-19 03:45:15,452 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:45:16,258 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:45:16,262 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2023-11-19 03:45:16,269 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:45:16,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:45:16 ImpRootNode [2023-11-19 03:45:16,270 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:45:16,270 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:45:16,270 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:45:16,271 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:45:16,271 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:29" (3/4) ... [2023-11-19 03:45:16,273 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:45:16,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:45:16,281 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:45:16,281 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:45:16,282 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:45:16,282 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:45:16,418 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:45:16,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:45:16,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:45:16,423 INFO L158 Benchmark]: Toolchain (without parser) took 47303.74ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 148.6MB in the beginning and 147.1MB in the end (delta: 1.5MB). Peak memory consumption was 204.4MB. Max. memory is 16.1GB. [2023-11-19 03:45:16,423 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:45:16,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.55ms. Allocated memory is still 184.5MB. Free memory was 148.6MB in the beginning and 149.8MB in the end (delta: -1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:45:16,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.01ms. Allocated memory is still 184.5MB. Free memory was 149.8MB in the beginning and 148.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:45:16,428 INFO L158 Benchmark]: Boogie Preprocessor took 21.00ms. Allocated memory is still 184.5MB. Free memory was 148.2MB in the beginning and 147.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:45:16,429 INFO L158 Benchmark]: RCFGBuilder took 376.82ms. Allocated memory is still 184.5MB. Free memory was 147.2MB in the beginning and 134.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:45:16,430 INFO L158 Benchmark]: CodeCheck took 46418.39ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 134.1MB in the beginning and 152.4MB in the end (delta: -18.3MB). Peak memory consumption was 187.3MB. Max. memory is 16.1GB. [2023-11-19 03:45:16,430 INFO L158 Benchmark]: Witness Printer took 152.03ms. Allocated memory is still 388.0MB. Free memory was 151.3MB in the beginning and 147.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:45:16,432 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.6s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1437 SdHoareTripleChecker+Valid, 35.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1047 mSDsluCounter, 1810 SdHoareTripleChecker+Invalid, 32.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1444 mSDsCounter, 2754 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6113 IncrementalHoareTripleChecker+Invalid, 8867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2754 mSolverCounterUnsat, 366 mSDtfsCounter, 6113 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5367 GetRequests, 4964 SyntacticMatches, 167 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30555 ImplicationChecksByTransitivity, 31.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 456 ConstructedInterpolants, 0 QuantifiedInterpolants, 4900 SizeOfPredicates, 46 NumberOfNonLiveVariables, 1344 ConjunctsInSsa, 445 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 219/557 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: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((((8 <= (r % 4294967296)) && (16 == b)) && (q == 0)) && (A == r)) && (B == 1)) && ((A % 4294967296) <= 10)) || ((((((b == 4) && (q == 0)) && (2 <= (r % 4294967296))) && (A == r)) && (B == 1)) && ((A % 4294967296) <= 10))) || ((((((b == 8) && (q == 0)) && (A == r)) && (4 <= (r % 4294967296))) && (B == 1)) && ((A % 4294967296) <= 10))) || (((((b == 1) && (q == 0)) && (A == r)) && (B == 1)) && ((A % 4294967296) <= 10))) || ((((((1 <= (r % 4294967296)) && (q == 0)) && (A == r)) && (2 == b)) && (B == 1)) && ((A % 4294967296) <= 10))) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.55ms. Allocated memory is still 184.5MB. Free memory was 148.6MB in the beginning and 149.8MB in the end (delta: -1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.01ms. Allocated memory is still 184.5MB. Free memory was 149.8MB in the beginning and 148.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.00ms. Allocated memory is still 184.5MB. Free memory was 148.2MB in the beginning and 147.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.82ms. Allocated memory is still 184.5MB. Free memory was 147.2MB in the beginning and 134.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 46418.39ms. Allocated memory was 184.5MB in the beginning and 388.0MB in the end (delta: 203.4MB). Free memory was 134.1MB in the beginning and 152.4MB in the end (delta: -18.3MB). Peak memory consumption was 187.3MB. Max. memory is 16.1GB. * Witness Printer took 152.03ms. Allocated memory is still 388.0MB. Free memory was 151.3MB in the beginning and 147.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:45:16,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a2e17b-ea52-42c2-948a-f8bdb293d275/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0