./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC --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 a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:12,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:12,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:20:12,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:12,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:12,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:12,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:12,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:12,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:12,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:12,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:12,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:12,429 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:12,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:12,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:12,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:12,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:12,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:12,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:12,434 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:12,434 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:12,435 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:12,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:12,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:12,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:12,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:12,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:12,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:12,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:12,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:12,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:12,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:12,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:12,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:12,441 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:12,441 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_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 [2023-11-23 20:20:12,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:12,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:12,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:12,812 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:12,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:12,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2023-11-23 20:20:15,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:16,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:16,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2023-11-23 20:20:16,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/data/3b6417bf2/08bed6a2c7f348c4866da384fb6f2288/FLAG5ae7cf487 [2023-11-23 20:20:16,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/data/3b6417bf2/08bed6a2c7f348c4866da384fb6f2288 [2023-11-23 20:20:16,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:16,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:16,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:16,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:16,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:16,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:16" (1/1) ... [2023-11-23 20:20:16,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13be89c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:16, skipping insertion in model container [2023-11-23 20:20:16,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:16" (1/1) ... [2023-11-23 20:20:16,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:17,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:17,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:17,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:17,302 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:17,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17 WrapperNode [2023-11-23 20:20:17,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:17,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:17,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:17,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:17,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,416 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 802 [2023-11-23 20:20:17,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:17,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:17,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:17,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:17,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:17,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:17,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:17,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:17,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:17" (1/1) ... [2023-11-23 20:20:17,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:17,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:17,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:17,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:20:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:20:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:20:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:20:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:20:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:20:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:20:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:17,824 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:17,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:19,015 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:20,059 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:20,059 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-23 20:20:20,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:20 BoogieIcfgContainer [2023-11-23 20:20:20,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:20,064 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:20,064 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:20,074 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:20,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:20" (1/1) ... [2023-11-23 20:20:20,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2023-11-23 20:20:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2023-11-23 20:20:20,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:20:20,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 92 states and 150 transitions. [2023-11-23 20:20:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2023-11-23 20:20:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:20:20,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 93 states and 152 transitions. [2023-11-23 20:20:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2023-11-23 20:20:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:20:20,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:20,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 95 states and 154 transitions. [2023-11-23 20:20:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2023-11-23 20:20:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:20,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:20,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 152 transitions. [2023-11-23 20:20:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2023-11-23 20:20:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:20:20,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:20,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2023-11-23 20:20:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2023-11-23 20:20:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:20:20,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:20,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2023-11-23 20:20:20,806 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2023-11-23 20:20:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:20:20,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:20,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:20,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:31,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:20:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:31,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-23 20:20:31,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-23 20:20:31,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:20:31,044 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-23 20:20:31,053 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-23 20:20:31,071 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:31,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:31,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:31,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:31,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:31,077 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:31,077 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-23 20:20:31,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:20:31 ImpRootNode [2023-11-23 20:20:31,081 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:20:31,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:20:31,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:20:31,082 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:20:31,083 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:20" (3/4) ... [2023-11-23 20:20:31,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:20:31,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 20:20:31,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:20:31,115 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2023-11-23 20:20:31,117 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-23 20:20:31,118 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:20:31,120 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:20:31,306 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:20:31,308 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:20:31,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:20:31,309 INFO L158 Benchmark]: Toolchain (without parser) took 14939.79ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 137.0MB in the beginning and 109.4MB in the end (delta: 27.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-23 20:20:31,310 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 119.5MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:31,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.32ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 125.9MB in the end (delta: 11.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:20:31,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.65ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 120.4MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:20:31,311 INFO L158 Benchmark]: Boogie Preprocessor took 85.68ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 114.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:20:31,312 INFO L158 Benchmark]: RCFGBuilder took 2558.52ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 114.1MB in the beginning and 113.7MB in the end (delta: 380.4kB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:31,312 INFO L158 Benchmark]: CodeCheck took 11017.35ms. Allocated memory is still 201.3MB. Free memory was 113.7MB in the beginning and 119.9MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:31,313 INFO L158 Benchmark]: Witness Printer took 227.37ms. Allocated memory is still 201.3MB. Free memory was 119.9MB in the beginning and 109.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:20:31,315 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, 93 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 274 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 92 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 485 GetRequests, 483 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s 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 0.60ms. Allocated memory is still 119.5MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 931.32ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 125.9MB in the end (delta: 11.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.65ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 120.4MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.68ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 114.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2558.52ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 114.1MB in the beginning and 113.7MB in the end (delta: 380.4kB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * CodeCheck took 11017.35ms. Allocated memory is still 201.3MB. Free memory was 113.7MB in the beginning and 119.9MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 227.37ms. Allocated memory is still 201.3MB. Free memory was 119.9MB in the beginning and 109.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:20:31,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d73c578-2796-4d7f-83bf-3021e2321187/bin/ukojak-verify-1t5iHCbJaC/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