./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Avg_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Avg_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL --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 837587d23f4a6a47f82602bd261c9627289288764c03b11ed0b39f6a977da8dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:26,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:27,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:06:27,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:27,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:27,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:27,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:27,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:27,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:27,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:27,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:27,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:27,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:27,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:27,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:27,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:27,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:27,113 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:06:27,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:27,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:27,115 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:27,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:27,120 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:27,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:27,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:27,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:27,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:27,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:27,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:27,124 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:27,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:27,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:27,127 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_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 837587d23f4a6a47f82602bd261c9627289288764c03b11ed0b39f6a977da8dd [2023-11-19 04:06:27,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:27,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:27,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:27,485 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:27,486 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:27,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-numeric/Avg_true.c [2023-11-19 04:06:30,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:31,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:31,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/sv-benchmarks/c/termination-numeric/Avg_true.c [2023-11-19 04:06:31,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/data/8118b63eb/6f488ec3312e4a61b4809ae1a5eaadf2/FLAG5cea342e0 [2023-11-19 04:06:31,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/data/8118b63eb/6f488ec3312e4a61b4809ae1a5eaadf2 [2023-11-19 04:06:31,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:31,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:31,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:31,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:31,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:31,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31, skipping insertion in model container [2023-11-19 04:06:31,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:31,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:31,430 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:31,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:31,464 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:31,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31 WrapperNode [2023-11-19 04:06:31,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:31,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:31,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:31,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:31,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,502 INFO L138 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-11-19 04:06:31,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:31,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:31,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:31,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:31,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:31,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:31,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:31,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:31,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:31,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:31,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:31,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure average [2023-11-19 04:06:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure average [2023-11-19 04:06:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-11-19 04:06:31,621 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2023-11-19 04:06:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:31,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:31,687 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:31,690 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:31,912 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:31,936 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:31,936 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:06:31,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:31 BoogieIcfgContainer [2023-11-19 04:06:31,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:31,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:31,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:31,956 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:31,957 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2023-11-19 04:06:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-11-19 04:06:32,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:06:32,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:32,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2023-11-19 04:06:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-11-19 04:06:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:06:32,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:32,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:32,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:32,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:32,467 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:06:32,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:06:32 ImpRootNode [2023-11-19 04:06:32,490 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:06:32,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:06:32,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:06:32,492 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:06:32,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:31" (3/4) ... [2023-11-19 04:06:32,493 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:06:32,536 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:06:32,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:06:32,538 INFO L158 Benchmark]: Toolchain (without parser) took 1333.74ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 125.4MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:32,538 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:32,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.62ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 107.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:06:32,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.25ms. Allocated memory is still 163.6MB. Free memory was 107.5MB in the beginning and 106.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:32,541 INFO L158 Benchmark]: Boogie Preprocessor took 20.37ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:32,542 INFO L158 Benchmark]: RCFGBuilder took 418.19ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 93.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:06:32,543 INFO L158 Benchmark]: CodeCheck took 546.74ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 126.5MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:32,544 INFO L158 Benchmark]: Witness Printer took 45.57ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:32,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L25] int x = __VERIFIER_nondet_int(); [L26] int y = __VERIFIER_nondet_int(); [L27] int z = __VERIFIER_nondet_int(); [L28] CALL random() [L33] int x = __VERIFIER_nondet_int(); [L34] COND TRUE x < 0 VAL [x=-2147483648] [L35] -x VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.62ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 107.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.25ms. Allocated memory is still 163.6MB. Free memory was 107.5MB in the beginning and 106.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.37ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.19ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 93.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 546.74ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 126.5MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.57ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:06:32,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a248a3a-b7b6-4426-b374-f1a922bffc92/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)