./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9 --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 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:02:10,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:02:11,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:02:11,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:02:11,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:02:11,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:02:11,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:02:11,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:02:11,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:02:11,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:02:11,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:02:11,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:02:11,072 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:02:11,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:02:11,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:02:11,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:02:11,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:02:11,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:02:11,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:02:11,076 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:02:11,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:02:11,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:02:11,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:02:11,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:02:11,082 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:02:11,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:02:11,083 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:02:11,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:02:11,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:02:11,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:02:11,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:02:11,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:02:11,086 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:02:11,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:02:11,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:02:11,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2023-12-03 04:02:11,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:02:11,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:02:11,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:02:11,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:02:11,376 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:02:11,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-12-03 04:02:14,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:02:14,465 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:02:14,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-12-03 04:02:14,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/data/2ef8c6489/8c48452d174d4e95bd03d0a03bea4210/FLAG2e58c895c [2023-12-03 04:02:14,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/data/2ef8c6489/8c48452d174d4e95bd03d0a03bea4210 [2023-12-03 04:02:14,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:02:14,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:02:14,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:02:14,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:02:14,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:02:14,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6274a8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14, skipping insertion in model container [2023-12-03 04:02:14,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:02:14,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:02:14,697 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:02:14,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:02:14,731 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:02:14,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14 WrapperNode [2023-12-03 04:02:14,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:02:14,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:02:14,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:02:14,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:02:14,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,780 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-12-03 04:02:14,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:02:14,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:02:14,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:02:14,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:02:14,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:02:14,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:02:14,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:02:14,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:02:14,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:14" (1/1) ... [2023-12-03 04:02:14,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:02:14,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:02:14,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:02:14,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:02:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:02:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:02:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:02:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:02:14,972 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:02:14,975 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:02:15,102 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:02:15,141 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:02:15,141 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:02:15,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:15 BoogieIcfgContainer [2023-12-03 04:02:15,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:02:15,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:02:15,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:02:15,155 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:02:15,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:15" (1/1) ... [2023-12-03 04:02:15,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:02:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-12-03 04:02:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-12-03 04:02:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:02:15,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:15,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:15,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2023-12-03 04:02:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2023-12-03 04:02:15,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:02:15,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:15,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-12-03 04:02:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-12-03 04:02:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:02:15,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:15,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-12-03 04:02:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-12-03 04:02:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:02:15,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:15,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2023-12-03 04:02:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2023-12-03 04:02:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:02:16,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:16,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-12-03 04:02:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-12-03 04:02:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:02:16,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:16,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2023-12-03 04:02:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-12-03 04:02:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:02:16,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:02:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2023-12-03 04:02:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2023-12-03 04:02:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 04:02:17,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:17,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:02:18,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2023-12-03 04:02:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2023-12-03 04:02:18,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:02:18,413 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-03 04:02:18,422 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-03 04:02:18,705 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-12-03 04:02:18,710 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:02:18,711 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:02:18,711 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:02:18,711 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-03 04:02:18,712 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-03 04:02:18,712 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:02:18,712 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-03 04:02:18,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:02:18 ImpRootNode [2023-12-03 04:02:18,713 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:02:18,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:02:18,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:02:18,715 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:02:18,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:15" (3/4) ... [2023-12-03 04:02:18,717 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:02:18,728 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 04:02:18,728 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:02:18,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:02:18,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:02:18,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:02:18,814 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:02:18,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:02:18,815 INFO L158 Benchmark]: Toolchain (without parser) took 4323.99ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 113.5MB in the beginning and 154.4MB in the end (delta: -40.9MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2023-12-03 04:02:18,815 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 157.3MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:02:18,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.22ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 102.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:02:18,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.52ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 100.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:02:18,817 INFO L158 Benchmark]: Boogie Preprocessor took 26.51ms. Allocated memory is still 157.3MB. Free memory was 100.9MB in the beginning and 100.0MB in the end (delta: 917.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:02:18,817 INFO L158 Benchmark]: RCFGBuilder took 333.92ms. Allocated memory is still 157.3MB. Free memory was 100.0MB in the beginning and 87.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:02:18,818 INFO L158 Benchmark]: CodeCheck took 3569.81ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 87.8MB in the beginning and 49.1MB in the end (delta: 38.7MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2023-12-03 04:02:18,818 INFO L158 Benchmark]: Witness Printer took 99.72ms. Allocated memory is still 188.7MB. Free memory was 49.1MB in the beginning and 154.4MB in the end (delta: -105.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-12-03 04:02:18,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 529 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 319 mSDsluCounter, 608 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 264 mSDsCounter, 134 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 475 IncrementalHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 134 mSolverCounterUnsat, 344 mSDtfsCounter, 475 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1243 GetRequests, 1151 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2845 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 50/62 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: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (0 <= (main__i + 2147483648)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((main____CPAchecker_TMP_2 == 0) || ((main__i <= 99999) && (1 <= main__i))) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((main____CPAchecker_TMP_0 == 0) || ((main__i <= 99999) && (1 <= main__i))) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: ((((main__i <= 99999) && (1 <= main__i)) || (main____CPAchecker_TMP_1 == 0)) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 157.3MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.22ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 102.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.52ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 100.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.51ms. Allocated memory is still 157.3MB. Free memory was 100.9MB in the beginning and 100.0MB in the end (delta: 917.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.92ms. Allocated memory is still 157.3MB. Free memory was 100.0MB in the beginning and 87.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3569.81ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 87.8MB in the beginning and 49.1MB in the end (delta: 38.7MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Witness Printer took 99.72ms. Allocated memory is still 188.7MB. Free memory was 49.1MB in the beginning and 154.4MB in the end (delta: -105.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:02:18,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944078c5-5d15-4a6b-9ad0-58e8cabd136a/bin/ukojak-verify-Qdu7aM0XO9/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