./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/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_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/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_4d63097f-4293-4f6e-b1fc-ab1f03e52193/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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:14:16,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:14:17,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:14:17,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:14:17,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:14:17,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:14:17,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:14:17,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:14:17,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:14:17,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:14:17,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:14:17,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:14:17,096 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:14:17,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:14:17,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:14:17,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:14:17,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:14:17,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:14:17,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:14:17,100 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:14:17,100 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:14:17,101 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:14:17,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:14:17,102 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:14:17,103 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:14:17,103 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:14:17,103 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:14:17,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:14:17,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:17,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:14:17,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:14:17,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:14:17,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:14:17,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:14:17,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:14:17,107 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_4d63097f-4293-4f6e-b1fc-ab1f03e52193/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2023-11-23 20:14:17,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:14:17,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:14:17,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:14:17,445 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:14:17,445 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:14:17,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-11-23 20:14:20,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:14:20,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:14:20,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-11-23 20:14:20,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/data/156221f34/421bbc88333b4693919ab09ba9019776/FLAG433bd37f3 [2023-11-23 20:14:20,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/data/156221f34/421bbc88333b4693919ab09ba9019776 [2023-11-23 20:14:20,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:14:20,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:14:20,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:20,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:14:20,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:14:20,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:20" (1/1) ... [2023-11-23 20:14:20,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7f46a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:20, skipping insertion in model container [2023-11-23 20:14:20,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:20" (1/1) ... [2023-11-23 20:14:21,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:14:21,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:21,778 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:14:21,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:22,054 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:14:22,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22 WrapperNode [2023-11-23 20:14:22,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:22,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:22,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:14:22,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:14:22,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,210 INFO L138 Inliner]: procedures = 177, calls = 449, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1817 [2023-11-23 20:14:22,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:22,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:14:22,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:14:22,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:14:22,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:14:22,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:14:22,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:14:22,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:14:22,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:22" (1/1) ... [2023-11-23 20:14:22,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:22,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:14:22,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:14:22,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:14:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:14:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:14:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:14:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:14:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:14:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:14:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:14:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:14:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:14:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:14:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:14:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:14:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:14:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:14:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:14:22,823 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:14:22,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:14:24,775 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:14:26,461 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:14:26,461 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-23 20:14:26,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:26 BoogieIcfgContainer [2023-11-23 20:14:26,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:14:26,464 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:14:26,464 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:14:26,474 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:14:26,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:26" (1/1) ... [2023-11-23 20:14:26,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:14:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-11-23 20:14:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-11-23 20:14:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:14:26,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:26,716 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 20:14:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 287 transitions. [2023-11-23 20:14:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 287 transitions. [2023-11-23 20:14:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:14:26,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:26,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:26,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:26,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:26,881 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 20:14:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 173 states and 291 transitions. [2023-11-23 20:14:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2023-11-23 20:14:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:14:26,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:27,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:14:27,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:27,023 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 20:14:27,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 287 transitions. [2023-11-23 20:14:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 287 transitions. [2023-11-23 20:14:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:14:27,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:27,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:27,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:14:27,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:27,126 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 20:14:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:27,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 173 states and 279 transitions. [2023-11-23 20:14:27,134 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2023-11-23 20:14:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:14:27,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:27,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:27,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:14:27,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:27,345 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 20:14:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 267 transitions. [2023-11-23 20:14:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 267 transitions. [2023-11-23 20:14:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:14:27,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:27,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:14:27,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:27,703 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 20:14:37,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:14:47,791 WARN L539 Checker$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 20:14:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-23 20:14:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-23 20:14:47,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:14:47,847 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-23 20:14:47,856 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-23 20:14:47,874 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:14:47,878 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:14:47,879 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:14:47,879 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:14:47,879 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:14:47,880 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-23 20:14:47,882 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:14:47,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:14:47 ImpRootNode [2023-11-23 20:14:47,883 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:14:47,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:14:47,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:14:47,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:14:47,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:26" (3/4) ... [2023-11-23 20:14:47,886 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:14:47,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 20:14:47,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:14:47,921 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 266 nodes and edges [2023-11-23 20:14:47,923 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-23 20:14:47,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:14:47,926 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:14:48,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:14:48,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:14:48,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:14:48,141 INFO L158 Benchmark]: Toolchain (without parser) took 27218.20ms. Allocated memory was 142.6MB in the beginning and 297.8MB in the end (delta: 155.2MB). Free memory was 94.9MB in the beginning and 147.4MB in the end (delta: -52.5MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. [2023-11-23 20:14:48,141 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:14:48,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1129.57ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 94.4MB in the beginning and 142.6MB in the end (delta: -48.2MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-11-23 20:14:48,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.65ms. Allocated memory is still 182.5MB. Free memory was 142.6MB in the beginning and 131.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:14:48,143 INFO L158 Benchmark]: Boogie Preprocessor took 224.08ms. Allocated memory is still 182.5MB. Free memory was 131.0MB in the beginning and 118.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:14:48,143 INFO L158 Benchmark]: RCFGBuilder took 4027.01ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 118.5MB in the beginning and 120.0MB in the end (delta: -1.5MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2023-11-23 20:14:48,144 INFO L158 Benchmark]: CodeCheck took 21418.52ms. Allocated memory was 228.6MB in the beginning and 297.8MB in the end (delta: 69.2MB). Free memory was 120.0MB in the beginning and 161.0MB in the end (delta: -41.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-23 20:14:48,144 INFO L158 Benchmark]: Witness Printer took 257.00ms. Allocated memory is still 297.8MB. Free memory was 161.0MB in the beginning and 147.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:14:48,146 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, 171 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 381 SdHoareTripleChecker+Valid, 20.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 120 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 729 GetRequests, 727 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: 0.3s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 753 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 751]: 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: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1129.57ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 94.4MB in the beginning and 142.6MB in the end (delta: -48.2MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.65ms. Allocated memory is still 182.5MB. Free memory was 142.6MB in the beginning and 131.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 224.08ms. Allocated memory is still 182.5MB. Free memory was 131.0MB in the beginning and 118.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4027.01ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 118.5MB in the beginning and 120.0MB in the end (delta: -1.5MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. * CodeCheck took 21418.52ms. Allocated memory was 228.6MB in the beginning and 297.8MB in the end (delta: 69.2MB). Free memory was 120.0MB in the beginning and 161.0MB in the end (delta: -41.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 257.00ms. Allocated memory is still 297.8MB. Free memory was 161.0MB in the beginning and 147.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:14:48,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d63097f-4293-4f6e-b1fc-ab1f03e52193/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