./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm --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 32bit --witnessprinter.graph.data.programhash 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:14:11,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:14:11,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 23:14:11,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:14:11,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:14:11,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:14:11,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:14:11,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:14:11,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:14:11,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:14:11,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:14:11,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:14:11,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:14:11,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:14:11,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:14:11,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:14:11,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:14:11,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:14:11,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:14:11,518 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:14:11,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:14:11,518 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:14:11,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:14:11,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:14:11,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:14:11,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:14:11,520 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:14:11,520 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:14:11,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:14:11,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:11,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:14:11,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:14:11,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:14:11,521 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:14:11,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:14:11,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2024-11-13 23:14:11,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:14:11,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:14:11,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:14:11,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:14:11,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:14:11,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/gcd_4.c Unable to find full path for "g++" [2024-11-13 23:14:13,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:14:13,951 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:14:13,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/sv-benchmarks/c/bitvector/gcd_4.c [2024-11-13 23:14:13,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/data/093261993/c31fbdd35c774c8c9cf2e768f81cbd8b/FLAG91e01b339 [2024-11-13 23:14:14,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/data/093261993/c31fbdd35c774c8c9cf2e768f81cbd8b [2024-11-13 23:14:14,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:14:14,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:14:14,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:14,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:14:14,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:14:14,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e07234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14, skipping insertion in model container [2024-11-13 23:14:14,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:14:14,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:14,207 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:14:14,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:14,235 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:14:14,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14 WrapperNode [2024-11-13 23:14:14,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:14,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:14,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:14:14,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:14:14,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,264 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-13 23:14:14,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:14,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:14:14,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:14:14,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:14:14,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:14:14,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:14:14,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:14:14,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:14:14,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:14,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:14:14,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:14:14,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:14:14,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:14:14,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:14:14,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:14:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:14:14,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:14:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:14:14,438 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:14:14,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:14:14,650 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 23:14:14,651 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:14:14,706 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:14:14,706 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:14:14,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:14 BoogieIcfgContainer [2024-11-13 23:14:14,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:14:14,708 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:14:14,708 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:14:14,718 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:14:14,718 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:14" (1/1) ... [2024-11-13 23:14:14,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:14:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:14,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2024-11-13 23:14:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-13 23:14:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:14:14,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:14,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-13 23:14:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-13 23:14:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:14:15,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:15,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-13 23:14:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 23:14:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:14:15,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:15,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-13 23:14:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 23:14:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:14:15,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:15,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-11-13 23:14:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-13 23:14:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:14:15,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:15,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-13 23:14:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-13 23:14:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:14:16,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2024-11-13 23:14:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-11-13 23:14:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:14:16,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:16,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:14:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-13 23:14:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 23:14:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:14:16,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:16,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:16,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-13 23:14:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 23:14:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:14:16,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:16,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2024-11-13 23:14:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2024-11-13 23:14:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:14:17,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:17,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-13 23:14:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-13 23:14:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:14:17,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:17,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2024-11-13 23:14:17,691 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-13 23:14:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:14:17,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:17,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2024-11-13 23:14:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2024-11-13 23:14:18,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:14:18,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:18,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:14:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2024-11-13 23:14:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-13 23:14:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:14:18,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:18,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 23:14:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:19,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2024-11-13 23:14:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-13 23:14:19,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:14:19,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:19,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2024-11-13 23:14:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2024-11-13 23:14:21,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:14:21,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:21,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 103 transitions. [2024-11-13 23:14:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-13 23:14:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:14:21,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:22,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 71 states and 111 transitions. [2024-11-13 23:14:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2024-11-13 23:14:22,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:14:22,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:22,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2024-11-13 23:14:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2024-11-13 23:14:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:14:23,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:23,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 18 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 87 states and 143 transitions. [2024-11-13 23:14:25,324 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2024-11-13 23:14:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:14:25,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:25,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:14:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2024-11-13 23:14:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2024-11-13 23:14:25,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:14:25,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 18 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 151 transitions. [2024-11-13 23:14:26,838 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 151 transitions. [2024-11-13 23:14:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:14:26,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:26,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 26 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 97 states and 161 transitions. [2024-11-13 23:14:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 161 transitions. [2024-11-13 23:14:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:14:28,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 4 proven. 98 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:14:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2024-11-13 23:14:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-11-13 23:14:31,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:14:31,063 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2024-11-13 23:14:31,076 INFO L729 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2024-11-13 23:14:31,625 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2024-11-13 23:14:31,626 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_gcd_test_~b#1| 18))) (or (and (<= 63 |ULTIMATE.start_gcd_test_~a#1|) .cse0 (<= |ULTIMATE.start_gcd_test_~a#1| 63)) (and (<= |ULTIMATE.start_gcd_test_~a#1| 45) .cse0 (<= 45 |ULTIMATE.start_gcd_test_~a#1|)) (and (<= |ULTIMATE.start_gcd_test_~a#1| 27) (<= 27 |ULTIMATE.start_gcd_test_~a#1|) .cse0))) [2024-11-13 23:14:31,626 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_gcd_test_~b#1| 18))) (or (and (<= 63 |ULTIMATE.start_gcd_test_~a#1|) .cse0 (<= |ULTIMATE.start_gcd_test_~a#1| 63)) (and (<= |ULTIMATE.start_gcd_test_~a#1| 45) .cse0 (<= 45 |ULTIMATE.start_gcd_test_~a#1|)) (and (<= |ULTIMATE.start_gcd_test_~a#1| 27) (<= 27 |ULTIMATE.start_gcd_test_~a#1|) .cse0))) [2024-11-13 23:14:31,626 INFO L75 FloydHoareUtils]: For program point L23(line 23) no Hoare annotation was computed. [2024-11-13 23:14:31,626 INFO L75 FloydHoareUtils]: For program point L23-1(line 23) no Hoare annotation was computed. [2024-11-13 23:14:31,626 INFO L77 FloydHoareUtils]: At program point L23-3(lines 21 37) the Hoare annotation is: (and (<= 63 |ULTIMATE.start_gcd_test_~a#1|) (= |ULTIMATE.start_gcd_test_~b#1| 18) (<= |ULTIMATE.start_gcd_test_~a#1| 63)) [2024-11-13 23:14:31,626 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-11-13 23:14:31,627 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2024-11-13 23:14:31,627 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-13 23:14:31,627 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2024-11-13 23:14:31,627 INFO L77 FloydHoareUtils]: At program point L53(line 53) the Hoare annotation is: true [2024-11-13 23:14:31,627 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-13 23:14:31,627 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_gcd_test_~a#1| 9))) (or (and (<= 9 |ULTIMATE.start_gcd_test_~a#1|) (= |ULTIMATE.start_gcd_test_~b#1| 18) .cse0) (and (<= (+ |ULTIMATE.start_gcd_test_~b#1| 9) (* |ULTIMATE.start_gcd_test_~a#1| 2)) (<= (+ |ULTIMATE.start_gcd_test_~a#1| 9) (* |ULTIMATE.start_gcd_test_~b#1| 2)) .cse0))) [2024-11-13 23:14:31,627 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:14:31,627 INFO L77 FloydHoareUtils]: At program point L33-1(line 33) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_gcd_test_~a#1| 9))) (or (and (<= 9 |ULTIMATE.start_gcd_test_~a#1|) (= |ULTIMATE.start_gcd_test_~b#1| 18) .cse0) (and (<= (+ |ULTIMATE.start_gcd_test_~b#1| 9) (* |ULTIMATE.start_gcd_test_~a#1| 2)) (<= (+ |ULTIMATE.start_gcd_test_~a#1| 9) (* |ULTIMATE.start_gcd_test_~b#1| 2)) .cse0))) [2024-11-13 23:14:31,627 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2024-11-13 23:14:31,628 INFO L77 FloydHoareUtils]: At program point gcd_test_returnLabel#1(lines 20 37) the Hoare annotation is: true [2024-11-13 23:14:31,628 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:14:31,628 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2024-11-13 23:14:31,628 INFO L77 FloydHoareUtils]: At program point L30(lines 30 34) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_gcd_test_~a#1| 9)) (.cse0 (= |ULTIMATE.start_gcd_test_~b#1| 18))) (or (and (<= 63 |ULTIMATE.start_gcd_test_~a#1|) .cse0 (<= |ULTIMATE.start_gcd_test_~a#1| 63)) (and (<= 9 |ULTIMATE.start_gcd_test_~a#1|) .cse0 .cse1) (and (<= |ULTIMATE.start_gcd_test_~a#1| 45) .cse0 (<= 45 |ULTIMATE.start_gcd_test_~a#1|)) (and (<= (+ |ULTIMATE.start_gcd_test_~b#1| 9) (* |ULTIMATE.start_gcd_test_~a#1| 2)) (<= (+ |ULTIMATE.start_gcd_test_~a#1| 9) (* |ULTIMATE.start_gcd_test_~b#1| 2)) .cse1) (and (<= |ULTIMATE.start_gcd_test_~a#1| 27) (<= 27 |ULTIMATE.start_gcd_test_~a#1|) .cse0))) [2024-11-13 23:14:31,628 INFO L77 FloydHoareUtils]: At program point L30-2(lines 29 35) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_gcd_test_~a#1| 9)) (.cse3 (* |ULTIMATE.start_gcd_test_~b#1| 2)) (.cse2 (+ |ULTIMATE.start_gcd_test_~b#1| 9)) (.cse0 (= |ULTIMATE.start_gcd_test_~b#1| 18))) (or (and (<= 63 |ULTIMATE.start_gcd_test_~a#1|) .cse0 (<= |ULTIMATE.start_gcd_test_~a#1| 63)) (and (<= 9 |ULTIMATE.start_gcd_test_~a#1|) .cse0 .cse1) (and (<= |ULTIMATE.start_gcd_test_~a#1| 45) .cse0 (<= 45 |ULTIMATE.start_gcd_test_~a#1|)) (and (<= .cse2 (* |ULTIMATE.start_gcd_test_~a#1| 2)) (<= (+ |ULTIMATE.start_gcd_test_~a#1| 9) .cse3) .cse1) (and (<= |ULTIMATE.start_gcd_test_~a#1| (+ 9 .cse3)) (<= .cse2 |ULTIMATE.start_gcd_test_~a#1|) (<= |ULTIMATE.start_gcd_test_~b#1| 0)) (and (<= |ULTIMATE.start_gcd_test_~a#1| 27) (<= 27 |ULTIMATE.start_gcd_test_~a#1|) .cse0))) [2024-11-13 23:14:31,628 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 63 |ULTIMATE.start_gcd_test_~a#1|) (= |ULTIMATE.start_gcd_test_~b#1| 18) (<= |ULTIMATE.start_gcd_test_~a#1| 63)) [2024-11-13 23:14:31,629 INFO L75 FloydHoareUtils]: For program point L22-1(line 22) no Hoare annotation was computed. [2024-11-13 23:14:31,629 INFO L75 FloydHoareUtils]: For program point L22-2(line 22) no Hoare annotation was computed. [2024-11-13 23:14:31,629 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: true [2024-11-13 23:14:31,629 INFO L77 FloydHoareUtils]: At program point L22-4(lines 21 37) the Hoare annotation is: (and (<= 63 |ULTIMATE.start_gcd_test_~a#1|) (= |ULTIMATE.start_gcd_test_~b#1| 18) (<= |ULTIMATE.start_gcd_test_~a#1| 63)) [2024-11-13 23:14:31,629 INFO L77 FloydHoareUtils]: At program point L51-1(line 51) the Hoare annotation is: true [2024-11-13 23:14:31,629 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2024-11-13 23:14:31,629 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 19) the Hoare annotation is: true [2024-11-13 23:14:31,629 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 19) the Hoare annotation is: true [2024-11-13 23:14:31,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:14:31 ImpRootNode [2024-11-13 23:14:31,655 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:14:31,656 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:14:31,656 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:14:31,656 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:14:31,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:14" (3/4) ... [2024-11-13 23:14:31,659 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:14:31,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 23:14:31,670 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-13 23:14:31,670 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 23:14:31,671 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:14:31,671 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:14:31,671 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:14:31,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:14:31,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:14:31,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:14:31,740 INFO L158 Benchmark]: Toolchain (without parser) took 17729.52ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 119.8MB in the beginning and 118.7MB in the end (delta: 1.1MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2024-11-13 23:14:31,740 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:31,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.27ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 109.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:14:31,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.02ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 107.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:31,742 INFO L158 Benchmark]: Boogie Preprocessor took 18.07ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.9MB in the end (delta: 699.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:31,743 INFO L158 Benchmark]: RCFGBuilder took 423.37ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 93.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:14:31,743 INFO L158 Benchmark]: CodeCheck took 16947.55ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 93.8MB in the beginning and 122.4MB in the end (delta: -28.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-11-13 23:14:31,744 INFO L158 Benchmark]: Witness Printer took 83.26ms. Allocated memory is still 218.1MB. Free memory was 122.4MB in the beginning and 118.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:31,747 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, 30 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 16.3s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2177 SdHoareTripleChecker+Valid, 12.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1826 mSDsluCounter, 134 SdHoareTripleChecker+Invalid, 10.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 1228 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7002 IncrementalHoareTripleChecker+Invalid, 8230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1228 mSolverCounterUnsat, 90 mSDtfsCounter, 7002 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4332 GetRequests, 3810 SyntacticMatches, 278 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34665 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 456 NumberOfCodeBlocks, 456 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 433 ConstructedInterpolants, 0 QuantifiedInterpolants, 2435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 225/675 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((63 <= a) && (b == 18)) && (a <= 63)) || (((9 <= a) && (b == 18)) && (a <= 9))) || (((a <= 45) && (b == 18)) && (45 <= a))) || (((((long long) b + 9) <= ((long long) a * 2)) && (((long long) a + 9) <= ((long long) b * 2))) && (a <= 9))) || (((a <= (9 + ((long long) b * 2))) && (((long long) b + 9) <= a)) && (b <= 0))) || (((a <= 27) && (27 <= a)) && (b == 18))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.27ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 109.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.02ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 107.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.07ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.9MB in the end (delta: 699.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 423.37ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 93.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16947.55ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 93.8MB in the beginning and 122.4MB in the end (delta: -28.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 83.26ms. Allocated memory is still 218.1MB. Free memory was 122.4MB in the beginning and 118.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:14:31,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558567cc-0a92-4b8f-85a7-3e9a0cd03425/bin/ukojak-verify-EEHR8qb7sm/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