./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Swingers.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/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_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Swingers.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5255c645b81d71ec22a6f16f291eb82db3a98401495220a0b410dfa7eea5b30a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:12,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:12,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:12:12,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:12,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:12,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:12,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:12,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:12,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:12,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:12,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:12,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:12,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:12,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:12,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:12,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:12,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:12,348 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:12,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:12,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:12,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:12,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:12,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:12,352 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:12,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:12,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:12,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:12,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:12,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:12,356 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:12,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:12,357 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:12,357 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_2348ac17-45c8-4b75-a65f-3e5f0667ea04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5255c645b81d71ec22a6f16f291eb82db3a98401495220a0b410dfa7eea5b30a [2023-11-24 23:12:12,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:12,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:12,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:12,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:12,712 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:12,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-restricted-15/Swingers.c [2023-11-24 23:12:15,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:16,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:16,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/sv-benchmarks/c/termination-restricted-15/Swingers.c [2023-11-24 23:12:16,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/data/eceddee79/fa63ce0c0dd947148618745ae744b64b/FLAG23fc34367 [2023-11-24 23:12:16,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/data/eceddee79/fa63ce0c0dd947148618745ae744b64b [2023-11-24 23:12:16,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:16,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:16,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:16,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:16,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:16,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc8573a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16, skipping insertion in model container [2023-11-24 23:12:16,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,176 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:16,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:16,378 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:16,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:16,419 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:16,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16 WrapperNode [2023-11-24 23:12:16,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:16,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:16,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:16,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:16,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,454 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2023-11-24 23:12:16,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:16,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:16,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:16,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:16,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:16,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:16,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:16,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:16,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:16,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:16,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:16,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:16,686 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:16,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:16,805 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:16,829 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:16,829 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:12:16,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:16 BoogieIcfgContainer [2023-11-24 23:12:16,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:16,832 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:16,832 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:16,845 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:16,845 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-24 23:12:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-24 23:12:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:12:16,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2023-11-24 23:12:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-11-24 23:12:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:12:17,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-24 23:12:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-24 23:12:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:12:17,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:17,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:17,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2023-11-24 23:12:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-11-24 23:12:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:12:17,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:17,673 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 23:12:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2023-11-24 23:12:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2023-11-24 23:12:17,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:12:17,721 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-24 23:12:17,739 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-24 23:12:17,773 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-24 23:12:17,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:12:17 ImpRootNode [2023-11-24 23:12:17,788 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:12:17,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:12:17,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:12:17,792 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:12:17,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:16" (3/4) ... [2023-11-24 23:12:17,799 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:12:17,816 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 23:12:17,817 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:12:17,818 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 23:12:18,010 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:12:18,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:12:18,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:12:18,019 INFO L158 Benchmark]: Toolchain (without parser) took 1881.93ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 78.0MB in the beginning and 173.2MB in the end (delta: -95.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-24 23:12:18,019 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:18,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.33ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 77.8MB in the beginning and 176.3MB in the end (delta: -98.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-24 23:12:18,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.65ms. Allocated memory is still 205.5MB. Free memory was 176.2MB in the beginning and 174.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:18,020 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 205.5MB. Free memory was 174.9MB in the beginning and 174.0MB in the end (delta: 957.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:18,021 INFO L158 Benchmark]: RCFGBuilder took 354.50ms. Allocated memory is still 205.5MB. Free memory was 173.9MB in the beginning and 168.1MB in the end (delta: 5.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-24 23:12:18,021 INFO L158 Benchmark]: CodeCheck took 955.97ms. Allocated memory is still 205.5MB. Free memory was 168.1MB in the beginning and 139.8MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:12:18,022 INFO L158 Benchmark]: Witness Printer took 226.75ms. Allocated memory is still 205.5MB. Free memory was 139.8MB in the beginning and 173.2MB in the end (delta: -33.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:12:18,025 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 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 0 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 6 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: (((samantha + bob) <= 30) && (30 <= (samantha + bob))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.33ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 77.8MB in the beginning and 176.3MB in the end (delta: -98.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.65ms. Allocated memory is still 205.5MB. Free memory was 176.2MB in the beginning and 174.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 205.5MB. Free memory was 174.9MB in the beginning and 174.0MB in the end (delta: 957.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.50ms. Allocated memory is still 205.5MB. Free memory was 173.9MB in the beginning and 168.1MB in the end (delta: 5.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * CodeCheck took 955.97ms. Allocated memory is still 205.5MB. Free memory was 168.1MB in the beginning and 139.8MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 226.75ms. Allocated memory is still 205.5MB. Free memory was 139.8MB in the beginning and 173.2MB in the end (delta: -33.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:12:18,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2348ac17-45c8-4b75-a65f-3e5f0667ea04/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE