./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/NarrowKonv.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/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_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/NarrowKonv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/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 64bit --witnessprinter.graph.data.programhash 2c8d79b985e49ac5d6f27b4e25f4e3597dadc4ec57e262caec7782b796e874b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:05:34,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:05:34,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:05:34,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:05:34,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:05:34,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:05:34,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:05:34,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:05:34,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:05:34,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:05:34,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:05:34,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:05:34,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:05:34,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:05:34,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:05:34,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:05:34,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:05:34,887 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:05:34,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:05:34,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:05:34,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:05:34,890 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:05:34,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:05:34,891 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:05:34,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:05:34,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:05:34,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:05:34,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:05:34,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:05:34,893 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:05:34,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:05:34,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:05:34,894 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_82e78db8-a127-47f9-8cfd-782884b25997/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8d79b985e49ac5d6f27b4e25f4e3597dadc4ec57e262caec7782b796e874b7 [2023-12-03 03:05:35,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:05:35,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:05:35,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:05:35,140 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:05:35,141 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:05:35,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-restricted-15/NarrowKonv.c [2023-12-03 03:05:37,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:05:38,009 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:05:38,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/sv-benchmarks/c/termination-restricted-15/NarrowKonv.c [2023-12-03 03:05:38,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/data/17701aa3d/1cfb23e657d2483bbc1a7afa3c6b9393/FLAG6243cd9f8 [2023-12-03 03:05:38,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/data/17701aa3d/1cfb23e657d2483bbc1a7afa3c6b9393 [2023-12-03 03:05:38,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:05:38,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:05:38,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:05:38,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:05:38,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:05:38,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579bf26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38, skipping insertion in model container [2023-12-03 03:05:38,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:05:38,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:05:38,191 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:05:38,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:05:38,218 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:05:38,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38 WrapperNode [2023-12-03 03:05:38,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:05:38,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:05:38,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:05:38,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:05:38,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,249 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2023-12-03 03:05:38,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:05:38,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:05:38,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:05:38,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:05:38,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:05:38,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:05:38,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:05:38,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:05:38,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:05:38,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:05:38,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:05:38,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:05:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:05:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:05:38,394 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:05:38,396 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:05:38,475 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:05:38,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:05:38,500 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:05:38,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:05:38 BoogieIcfgContainer [2023-12-03 03:05:38,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:05:38,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:05:38,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:05:38,510 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:05:38,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:05:38" (1/1) ... [2023-12-03 03:05:38,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:05:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-12-03 03:05:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-12-03 03:05:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:05:38,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:38,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:38,732 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 03:05:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2023-12-03 03:05:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2023-12-03 03:05:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:05:38,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:38,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:38,836 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 03:05:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-12-03 03:05:38,947 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-12-03 03:05:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:05:38,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:38,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:38,991 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 03:05:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-12-03 03:05:39,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-12-03 03:05:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:05:39,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:39,199 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 03:05:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2023-12-03 03:05:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2023-12-03 03:05:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:05:39,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:39,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2023-12-03 03:05:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-12-03 03:05:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:05:39,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:39,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2023-12-03 03:05:39,995 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2023-12-03 03:05:39,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:05:39,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:39,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:05:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2023-12-03 03:05:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2023-12-03 03:05:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:05:40,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:40,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2023-12-03 03:05:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-12-03 03:05:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:05:40,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:40,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:05:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2023-12-03 03:05:40,579 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2023-12-03 03:05:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:05:40,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:40,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:05:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-12-03 03:05:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-12-03 03:05:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:05:40,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:40,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:05:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2023-12-03 03:05:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2023-12-03 03:05:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:05:41,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:41,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2023-12-03 03:05:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2023-12-03 03:05:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:05:42,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:42,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 03:05:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2023-12-03 03:05:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-12-03 03:05:42,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:05:42,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:42,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:05:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2023-12-03 03:05:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2023-12-03 03:05:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:05:42,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:42,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:05:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2023-12-03 03:05:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2023-12-03 03:05:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:05:42,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:42,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 03:05:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-12-03 03:05:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-12-03 03:05:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:05:43,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:43,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:05:44,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2023-12-03 03:05:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2023-12-03 03:05:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:05:44,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:44,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:44,276 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:05:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2023-12-03 03:05:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2023-12-03 03:05:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:05:44,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:44,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 47 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:05:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2023-12-03 03:05:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2023-12-03 03:05:45,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:05:45,224 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-12-03 03:05:45,231 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 03:05:45,596 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-12-03 03:05:45,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:05:45 ImpRootNode [2023-12-03 03:05:45,603 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:05:45,603 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:05:45,603 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:05:45,604 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:05:45,604 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:05:38" (3/4) ... [2023-12-03 03:05:45,606 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:05:45,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 03:05:45,613 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 03:05:45,613 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-03 03:05:45,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:05:45,677 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:05:45,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:05:45,678 INFO L158 Benchmark]: Toolchain (without parser) took 7644.43ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 105.4MB in the beginning and 119.6MB in the end (delta: -14.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-12-03 03:05:45,678 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:05:45,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.12ms. Allocated memory is still 148.9MB. Free memory was 105.4MB in the beginning and 95.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:05:45,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.24ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 94.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:05:45,680 INFO L158 Benchmark]: Boogie Preprocessor took 17.05ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:05:45,680 INFO L158 Benchmark]: RCFGBuilder took 233.86ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 83.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:05:45,681 INFO L158 Benchmark]: CodeCheck took 7100.59ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 83.8MB in the beginning and 123.7MB in the end (delta: -39.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:05:45,681 INFO L158 Benchmark]: Witness Printer took 73.66ms. Allocated memory is still 180.4MB. Free memory was 123.7MB in the beginning and 119.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:05:45,684 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1230 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1198 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 678 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4054 IncrementalHoareTripleChecker+Invalid, 4732 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 678 mSolverCounterUnsat, 0 mSDtfsCounter, 4054 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2700 GetRequests, 2361 SyntacticMatches, 153 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17609 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 719 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 292/364 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((range <= 20) || ((i + 2147483648) < 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.12ms. Allocated memory is still 148.9MB. Free memory was 105.4MB in the beginning and 95.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.24ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 94.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.05ms. Allocated memory is still 148.9MB. Free memory was 94.4MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 233.86ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 83.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 7100.59ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 83.8MB in the beginning and 123.7MB in the end (delta: -39.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.66ms. Allocated memory is still 180.4MB. Free memory was 123.7MB in the beginning and 119.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:05:45,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e78db8-a127-47f9-8cfd-782884b25997/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