./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/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_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm --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 e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:46:43,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:46:43,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:46:43,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:46:43,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:46:43,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:46:43,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:46:43,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:46:43,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:46:43,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:46:43,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:46:43,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:46:43,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:46:43,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:46:43,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:46:43,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:46:43,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:46:43,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:46:43,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:46:43,722 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:46:43,722 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:46:43,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:46:43,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:46:43,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:46:43,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:46:43,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:46:43,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:46:43,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:43,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:46:43,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:46:43,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:46:43,723 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:46:43,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:46:43,724 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_f9c96b1e-b696-4cab-a86e-88ee95179900/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 ! 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 -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2024-11-13 20:46:44,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:46:44,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:46:44,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:46:44,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:46:44,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:46:44,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c Unable to find full path for "g++" [2024-11-13 20:46:46,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:46:46,629 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:46:46,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-11-13 20:46:46,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/data/1a69dd1fe/77f394fbdad048a98546a14a3bc72fe6/FLAGac9a424e6 [2024-11-13 20:46:46,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/data/1a69dd1fe/77f394fbdad048a98546a14a3bc72fe6 [2024-11-13 20:46:46,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:46:46,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:46:46,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:46,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:46:46,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:46:46,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505db60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46, skipping insertion in model container [2024-11-13 20:46:46,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,701 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:46:46,876 WARN L250 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_f9c96b1e-b696-4cab-a86e-88ee95179900/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2024-11-13 20:46:46,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:46,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:46:46,921 WARN L250 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_f9c96b1e-b696-4cab-a86e-88ee95179900/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2024-11-13 20:46:46,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:46,945 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:46:46,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46 WrapperNode [2024-11-13 20:46:46,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:46,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:46,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:46:46,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:46:46,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,976 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-11-13 20:46:46,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:46,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:46:46,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:46:46,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:46:46,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:46,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:46:46,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:46:46,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:46:46,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:46:46,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:46" (1/1) ... [2024-11-13 20:46:47,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:47,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:46:47,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:46:47,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:46:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:46:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:46:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:46:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:46:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:46:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:46:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:46:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:46:47,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:46:47,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:46:47,394 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:46:47,394 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:46:47,482 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:46:47,483 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:46:47,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:47 BoogieIcfgContainer [2024-11-13 20:46:47,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:46:47,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:46:47,486 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:46:47,501 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:46:47,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:47" (1/1) ... [2024-11-13 20:46:47,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:46:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 20:46:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 20:46:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:46:47,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:47,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:47,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:46:47,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:46:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-11-13 20:46:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-13 20:46:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:46:48,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:48,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:48,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:46:48,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:46:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-13 20:46:48,911 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-13 20:46:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:46:48,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:49,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:46:49,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 20:46:49,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:49,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2024-11-13 20:46:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2024-11-13 20:46:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 20:46:49,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:49,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:46:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 62 transitions. [2024-11-13 20:46:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2024-11-13 20:46:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 20:46:50,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:50,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:50,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:46:50,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:46:51,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 74 transitions. [2024-11-13 20:46:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2024-11-13 20:46:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:46:51,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:51,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-13 20:46:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 84 transitions. [2024-11-13 20:46:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-11-13 20:46:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:46:53,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:53,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:53,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:46:53,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 20:46:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 112 transitions. [2024-11-13 20:46:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 112 transitions. [2024-11-13 20:46:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:46:57,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:57,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:46:57,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 20:46:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 127 transitions. [2024-11-13 20:46:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 127 transitions. [2024-11-13 20:46:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:46:59,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:59,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:59,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:46:59,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 20:47:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 69 states and 146 transitions. [2024-11-13 20:47:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 146 transitions. [2024-11-13 20:47:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:47:01,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:01,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:47:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:01,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:47:01,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 20:47:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 65 states and 137 transitions. [2024-11-13 20:47:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 137 transitions. [2024-11-13 20:47:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 20:47:03,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:47:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 64 states and 123 transitions. [2024-11-13 20:47:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2024-11-13 20:47:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:47:05,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:05,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:47:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:05,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 20:47:05,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:47:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 73 states and 142 transitions. [2024-11-13 20:47:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2024-11-13 20:47:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:47:10,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:10,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:47:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:10,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:47:10,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 20:47:12,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 76 states and 147 transitions. [2024-11-13 20:47:12,942 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2024-11-13 20:47:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 20:47:12,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:12,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-13 20:47:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:30,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 80 states and 154 transitions. [2024-11-13 20:47:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 154 transitions. [2024-11-13 20:47:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 20:47:30,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:30,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:47:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 82 states and 161 transitions. [2024-11-13 20:47:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2024-11-13 20:47:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 20:47:33,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:33,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:47:35,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 46 states and 70 transitions. [2024-11-13 20:47:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2024-11-13 20:47:35,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 20:47:35,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:35,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 20:47:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 47 states and 71 transitions. [2024-11-13 20:47:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2024-11-13 20:47:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 20:47:37,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:37,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 20:47:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 44 states and 66 transitions. [2024-11-13 20:47:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-11-13 20:47:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:47:39,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:39,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 20:47:51,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:47:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 45 states and 67 transitions. [2024-11-13 20:47:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-11-13 20:47:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:47:51,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:51,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 20:47:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 41 states and 60 transitions. [2024-11-13 20:47:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-13 20:47:53,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 20:47:53,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 20:48:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 33 states and 49 transitions. [2024-11-13 20:48:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-11-13 20:48:07,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:48:07,072 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2024-11-13 20:48:07,081 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:48:09,251 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 52) the Hoare annotation is: (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) [2024-11-13 20:48:09,251 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:48:09,252 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-13 20:48:09,253 INFO L77 FloydHoareUtils]: At program point L56(line 56) the Hoare annotation is: true [2024-11-13 20:48:09,253 INFO L77 FloydHoareUtils]: At program point L54(line 54) the Hoare annotation is: true [2024-11-13 20:48:09,253 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:48:09,253 INFO L77 FloydHoareUtils]: At program point L38(lines 35 52) the Hoare annotation is: (not (and (= (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~r~0#1|) 1)) (not (and (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) (not (= (+ (* |ULTIMATE.start_main_~s~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~x~0#1|)) |ULTIMATE.start_main_~b~0#1|)) (= (+ (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~x~0#1|)) |ULTIMATE.start_main_~a~0#1|))) [2024-11-13 20:48:09,253 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-11-13 20:48:09,253 INFO L77 FloydHoareUtils]: At program point L36-1(line 36) the Hoare annotation is: true [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (not (and (not (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= 1 |ULTIMATE.start_main_~x~0#1|))) (< |ULTIMATE.start_main_~y~0#1| 1))) [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: true [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2) (<= 0 |ULTIMATE.start_main_~y~0#1|)) [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L55(line 55) the Hoare annotation is: true [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L43-2(lines 35 52) the Hoare annotation is: true [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~x~0#1|)) (.cse1 (= |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~x~0#1|))) (.cse3 (not (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (or (let ((.cse2 (= |ULTIMATE.start_main_~s~0#1| 1))) (and (not (and (not (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (= (+ |ULTIMATE.start_main_~q~0#1| 1) 0) .cse0 .cse1 .cse2)) (not (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~q~0#1| 0) .cse2)))) (and .cse0 .cse3 .cse1) (= (+ (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~x~0#1|)) |ULTIMATE.start_main_~a~0#1|) (and (not (and (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~r~0#1| 0))) .cse3))) [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 7 9) the Hoare annotation is: true [2024-11-13 20:48:09,254 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 7 9) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-13 20:48:09,255 INFO L77 FloydHoareUtils]: At program point L12(lines 12 13) the Hoare annotation is: true [2024-11-13 20:48:09,255 INFO L77 FloydHoareUtils]: At program point L11(lines 11 14) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-11-13 20:48:09,255 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 10 16) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 20:48:09,255 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 10 16) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) [2024-11-13 20:48:09,255 INFO L77 FloydHoareUtils]: At program point L11-2(lines 10 16) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 20:48:09,255 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-11-13 20:48:09,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:48:09 ImpRootNode [2024-11-13 20:48:09,307 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:48:09,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:48:09,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:48:09,308 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:48:09,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:47" (3/4) ... [2024-11-13 20:48:09,312 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:48:09,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 20:48:09,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 20:48:09,324 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 20:48:09,324 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 20:48:09,325 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:48:09,325 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:48:09,431 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:48:09,432 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:48:09,432 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:48:09,434 INFO L158 Benchmark]: Toolchain (without parser) took 82766.08ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.1MB in the beginning and 321.6MB in the end (delta: -202.5MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-11-13 20:48:09,434 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:09,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.74ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:48:09,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.58ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:09,436 INFO L158 Benchmark]: Boogie Preprocessor took 19.29ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.7MB in the end (delta: 786.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:09,436 INFO L158 Benchmark]: RCFGBuilder took 486.79ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.4MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:48:09,438 INFO L158 Benchmark]: CodeCheck took 81821.75ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 92.4MB in the beginning and 325.9MB in the end (delta: -233.5MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-13 20:48:09,440 INFO L158 Benchmark]: Witness Printer took 124.14ms. Allocated memory is still 427.8MB. Free memory was 325.9MB in the beginning and 321.6MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:48:09,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79.5s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 1996 SdHoareTripleChecker+Valid, 55.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 673 mSDsluCounter, 1859 SdHoareTripleChecker+Invalid, 51.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 776 mSDsCounter, 2969 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7893 IncrementalHoareTripleChecker+Invalid, 10865 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2969 mSolverCounterUnsat, 1083 mSDtfsCounter, 7893 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8603 GetRequests, 8262 SyntacticMatches, 85 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31381 ImplicationChecksByTransitivity, 59.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 966 NumberOfCodeBlocks, 966 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 945 ConstructedInterpolants, 0 QuantifiedInterpolants, 3757 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1019 ConjunctsInSsa, 188 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 1374/1503 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: 13]: 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 - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.74ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.58ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.29ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.7MB in the end (delta: 786.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.79ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.4MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 81821.75ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 92.4MB in the beginning and 325.9MB in the end (delta: -233.5MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 124.14ms. Allocated memory is still 427.8MB. Free memory was 325.9MB in the beginning and 321.6MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:48:09,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c96b1e-b696-4cab-a86e-88ee95179900/bin/ukojak-verify-EEHR8qb7sm/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