./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/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_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/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 32bit --witnessprinter.graph.data.programhash 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:27,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:27,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:06:27,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:27,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:27,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:27,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:27,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:27,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:27,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:27,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:27,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:27,340 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:27,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:27,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:27,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:27,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:27,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:27,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:27,344 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:06:27,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:06:27,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:27,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:27,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:27,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:27,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:27,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:27,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:27,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:27,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:27,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:27,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:27,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:27,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:27,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:27,352 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_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2023-11-19 03:06:27,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:27,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:27,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:27,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:27,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:27,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-11-19 03:06:30,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:31,251 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:31,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-11-19 03:06:31,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/data/2ee0c4927/0f5733c656e549758b7516c6bfb7c157/FLAGa327cfe40 [2023-11-19 03:06:31,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/data/2ee0c4927/0f5733c656e549758b7516c6bfb7c157 [2023-11-19 03:06:31,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:31,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:31,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:31,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:31,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:31,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:31" (1/1) ... [2023-11-19 03:06:31,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f171622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:31, skipping insertion in model container [2023-11-19 03:06:31,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:31" (1/1) ... [2023-11-19 03:06:31,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:32,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:32,050 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:32,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:32,180 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:32,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32 WrapperNode [2023-11-19 03:06:32,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:32,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:32,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:32,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:32,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,295 INFO L138 Inliner]: procedures = 177, calls = 238, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 967 [2023-11-19 03:06:32,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:32,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:32,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:32,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:32,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:32,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:32,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:32,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:32,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:32" (1/1) ... [2023-11-19 03:06:32,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:32,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:32,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:06:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:06:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:06:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:06:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:06:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:06:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:06:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:06:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:06:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:06:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:06:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:32,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:32,836 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:34,063 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:35,118 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:35,119 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 03:06:35,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:35 BoogieIcfgContainer [2023-11-19 03:06:35,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:35,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:35,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:35,138 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:35,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:35" (1/1) ... [2023-11-19 03:06:35,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2023-11-19 03:06:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2023-11-19 03:06:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:06:35,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,373 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 03:06:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2023-11-19 03:06:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2023-11-19 03:06:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:06:35,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,449 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 03:06:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2023-11-19 03:06:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2023-11-19 03:06:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:06:35,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:06:35,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:35,607 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 03:06:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 182 transitions. [2023-11-19 03:06:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2023-11-19 03:06:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:06:35,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:35,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:35,776 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 03:06:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 111 states and 180 transitions. [2023-11-19 03:06:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions. [2023-11-19 03:06:35,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:06:35,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:35,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:35,875 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 03:06:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 111 states and 176 transitions. [2023-11-19 03:06:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 176 transitions. [2023-11-19 03:06:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:06:35,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:35,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:35,969 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 03:06:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 111 states and 170 transitions. [2023-11-19 03:06:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 170 transitions. [2023-11-19 03:06:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:06:35,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:36,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:36,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:36,201 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 03:06:46,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:06:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-19 03:06:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-19 03:06:46,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:06:46,295 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 03:06:46,304 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-19 03:06:46,326 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:06:46,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:06:46,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:06:46,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:06:46,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:06:46,332 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:06:46,332 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:06:46,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:06:46 ImpRootNode [2023-11-19 03:06:46,336 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:06:46,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:06:46,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:06:46,337 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:06:46,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:35" (3/4) ... [2023-11-19 03:06:46,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:06:46,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:06:46,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:06:46,375 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2023-11-19 03:06:46,377 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-19 03:06:46,378 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:06:46,380 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:06:46,603 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:06:46,603 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:06:46,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:06:46,604 INFO L158 Benchmark]: Toolchain (without parser) took 15298.09ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 97.3MB in the beginning and 88.7MB in the end (delta: 8.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:46,604 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:46,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 874.01ms. Allocated memory is still 144.7MB. Free memory was 97.3MB in the beginning and 68.3MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:06:46,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.27ms. Allocated memory is still 144.7MB. Free memory was 68.3MB in the beginning and 61.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:46,606 INFO L158 Benchmark]: Boogie Preprocessor took 133.45ms. Allocated memory is still 144.7MB. Free memory was 61.6MB in the beginning and 54.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:46,606 INFO L158 Benchmark]: RCFGBuilder took 2688.18ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 54.9MB in the beginning and 109.3MB in the end (delta: -54.4MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-11-19 03:06:46,606 INFO L158 Benchmark]: CodeCheck took 11208.82ms. Allocated memory is still 174.1MB. Free memory was 109.3MB in the beginning and 101.3MB in the end (delta: 8.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:46,607 INFO L158 Benchmark]: Witness Printer took 266.71ms. Allocated memory is still 174.1MB. Free memory was 101.3MB in the beginning and 88.7MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:06:46,609 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, 108 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 10.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 92 mSDtfsCounter, 147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 487 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 529 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (i == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 874.01ms. Allocated memory is still 144.7MB. Free memory was 97.3MB in the beginning and 68.3MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.27ms. Allocated memory is still 144.7MB. Free memory was 68.3MB in the beginning and 61.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.45ms. Allocated memory is still 144.7MB. Free memory was 61.6MB in the beginning and 54.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2688.18ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 54.9MB in the beginning and 109.3MB in the end (delta: -54.4MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * CodeCheck took 11208.82ms. Allocated memory is still 174.1MB. Free memory was 109.3MB in the beginning and 101.3MB in the end (delta: 8.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 266.71ms. Allocated memory is still 174.1MB. Free memory was 101.3MB in the beginning and 88.7MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:06:46,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9957e2be-9600-4493-9a8b-bdfd7d26bd8b/bin/ukojak-verify-G8NBE6pJGL/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