./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Ex02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Ex02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV --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 afd40820c7a09c073d225c09c6690862ff04506300463cb312087d541b42d981 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:11,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:12,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:50:12,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:12,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:12,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:12,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:12,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:12,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:12,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:12,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:12,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:12,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:12,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:12,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:12,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:12,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:12,102 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:12,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:12,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:12,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:12,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:12,110 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:12,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:12,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:12,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:12,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:12,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:12,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:12,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:12,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:12,118 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_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd40820c7a09c073d225c09c6690862ff04506300463cb312087d541b42d981 [2023-11-11 23:50:12,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:12,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:12,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:12,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:12,480 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:12,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-restricted-15/Ex02.c [2023-11-11 23:50:15,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:15,906 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:15,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/sv-benchmarks/c/termination-restricted-15/Ex02.c [2023-11-11 23:50:15,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/data/6530a818f/5373e7dcab994e9abb4ea1b497316dc4/FLAG90580e88b [2023-11-11 23:50:15,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/data/6530a818f/5373e7dcab994e9abb4ea1b497316dc4 [2023-11-11 23:50:15,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:15,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:15,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:15,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:15,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:15,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:15" (1/1) ... [2023-11-11 23:50:15,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406ad65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:15, skipping insertion in model container [2023-11-11 23:50:15,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:15" (1/1) ... [2023-11-11 23:50:15,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:16,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:16,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:16,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:16,167 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:16,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16 WrapperNode [2023-11-11 23:50:16,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:16,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:16,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:16,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:16,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,202 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2023-11-11 23:50:16,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:16,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:16,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:16,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:16,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:16,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:16,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:16,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:16,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:16,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:16,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:16,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:16,387 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:16,390 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:16,468 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:16,489 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:16,490 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:50:16,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:16 BoogieIcfgContainer [2023-11-11 23:50:16,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:16,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:16,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:16,505 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:16,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:16" (1/1) ... [2023-11-11 23:50:16,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:50:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-11 23:50:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-11 23:50:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:50:16,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:16,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:50:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:50:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:50:16,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:16,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2023-11-11 23:50:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2023-11-11 23:50:17,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:50:17,006 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-11 23:50:17,016 INFO L753 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-11 23:50:17,033 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-11 23:50:17,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:50:17 ImpRootNode [2023-11-11 23:50:17,039 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:50:17,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:50:17,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:50:17,040 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:50:17,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:16" (3/4) ... [2023-11-11 23:50:17,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:50:17,051 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-11 23:50:17,051 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-11 23:50:17,051 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:50:17,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:50:17,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:50:17,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:50:17,142 INFO L158 Benchmark]: Toolchain (without parser) took 1190.66ms. Allocated memory is still 136.3MB. Free memory was 97.1MB in the beginning and 97.9MB in the end (delta: -826.2kB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2023-11-11 23:50:17,142 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:17,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.03ms. Allocated memory is still 136.3MB. Free memory was 96.8MB in the beginning and 87.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:50:17,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.39ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 86.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:17,144 INFO L158 Benchmark]: Boogie Preprocessor took 22.25ms. Allocated memory is still 136.3MB. Free memory was 86.3MB in the beginning and 85.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:17,151 INFO L158 Benchmark]: RCFGBuilder took 266.87ms. Allocated memory is still 136.3MB. Free memory was 85.2MB in the beginning and 76.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:50:17,152 INFO L158 Benchmark]: CodeCheck took 545.38ms. Allocated memory is still 136.3MB. Free memory was 76.1MB in the beginning and 102.0MB in the end (delta: -25.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:17,153 INFO L158 Benchmark]: Witness Printer took 100.95ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 97.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:17,161 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 6 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: 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: 9]: Loop Invariant Derived loop invariant: (i <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.03ms. Allocated memory is still 136.3MB. Free memory was 96.8MB in the beginning and 87.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.39ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 86.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.25ms. Allocated memory is still 136.3MB. Free memory was 86.3MB in the beginning and 85.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 266.87ms. Allocated memory is still 136.3MB. Free memory was 85.2MB in the beginning and 76.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 545.38ms. Allocated memory is still 136.3MB. Free memory was 76.1MB in the beginning and 102.0MB in the end (delta: -25.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.95ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 97.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:50:17,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6785a32d-137b-4197-8d3a-c17758cdcceb/bin/ukojak-verify-0OAaufAVZV/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