./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.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_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/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_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/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_d0b97a5f-204b-43e5-880d-3ed14c5b785b/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 ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:57,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:58,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:09:58,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:58,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:58,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:58,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:58,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:58,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:58,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:58,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:58,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:58,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:58,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:58,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:58,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:58,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:58,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:58,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:58,066 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:58,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:58,068 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:58,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:58,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:58,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:58,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:58,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:58,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:58,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:58,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:58,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:58,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:58,074 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:58,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:58,075 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:58,075 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_d0b97a5f-204b-43e5-880d-3ed14c5b785b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 [2023-11-23 20:09:58,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:58,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:58,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:58,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:58,414 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:58,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2023-11-23 20:10:01,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:01,908 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:01,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2023-11-23 20:10:01,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/data/1117db153/7ad40b9aab114f74beb46c015f39782b/FLAG380eff7c0 [2023-11-23 20:10:01,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/data/1117db153/7ad40b9aab114f74beb46c015f39782b [2023-11-23 20:10:01,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:01,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:01,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:01,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:01,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:01,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:01" (1/1) ... [2023-11-23 20:10:01,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9260859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:01, skipping insertion in model container [2023-11-23 20:10:01,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:01" (1/1) ... [2023-11-23 20:10:02,080 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:02,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:02,676 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:02,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:02,827 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:02,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02 WrapperNode [2023-11-23 20:10:02,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:02,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:02,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:02,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:02,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:02,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:02,919 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 802 [2023-11-23 20:10:02,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:02,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:02,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:02,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:02,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:02,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:02,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:02,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:03,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:03,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:03,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:03,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:03,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:03,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:03,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:03,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:03,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:02" (1/1) ... [2023-11-23 20:10:03,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:03,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:03,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:03,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:10:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:10:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:10:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:10:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:10:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:10:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:10:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:10:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:10:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:03,364 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:03,367 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:04,499 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:05,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:05,499 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-23 20:10:05,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:05 BoogieIcfgContainer [2023-11-23 20:10:05,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:05,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:05,504 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:05,516 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:05,516 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:05" (1/1) ... [2023-11-23 20:10:05,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:05,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2023-11-23 20:10:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2023-11-23 20:10:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:10:05,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:05,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:05,893 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 20:10:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 92 states and 150 transitions. [2023-11-23 20:10:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2023-11-23 20:10:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:10:05,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:05,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:05,972 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 20:10:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 93 states and 152 transitions. [2023-11-23 20:10:06,001 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2023-11-23 20:10:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:10:06,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:06,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:10:06,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:06,085 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 20:10:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 95 states and 154 transitions. [2023-11-23 20:10:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2023-11-23 20:10:06,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:10:06,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:06,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:06,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:06,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:06,188 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 20:10:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 152 transitions. [2023-11-23 20:10:06,203 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2023-11-23 20:10:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:10:06,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:06,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:06,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:06,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:06,294 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 20:10:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2023-11-23 20:10:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2023-11-23 20:10:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:06,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:06,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:06,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:06,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:06,447 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 20:10:06,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:06,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2023-11-23 20:10:06,454 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2023-11-23 20:10:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:10:06,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:06,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:06,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:06,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:06,631 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 20:10:16,665 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 20:10:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-23 20:10:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-23 20:10:16,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:10:16,743 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-23 20:10:16,752 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-23 20:10:16,776 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:16,780 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:16,781 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:16,781 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:16,782 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:16,782 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:10:16,783 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-23 20:10:16,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:10:16 ImpRootNode [2023-11-23 20:10:16,787 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:10:16,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:10:16,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:10:16,788 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:10:16,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:05" (3/4) ... [2023-11-23 20:10:16,792 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:10:16,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 20:10:16,801 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:10:16,832 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2023-11-23 20:10:16,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-23 20:10:16,836 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:10:16,837 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:10:17,050 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:10:17,057 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:10:17,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:10:17,058 INFO L158 Benchmark]: Toolchain (without parser) took 15090.72ms. Allocated memory was 151.0MB in the beginning and 255.9MB in the end (delta: 104.9MB). Free memory was 102.6MB in the beginning and 121.1MB in the end (delta: -18.5MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2023-11-23 20:10:17,059 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:17,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.08ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 74.6MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:10:17,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.14ms. Allocated memory is still 151.0MB. Free memory was 74.6MB in the beginning and 68.7MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:10:17,064 INFO L158 Benchmark]: Boogie Preprocessor took 150.43ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 68.7MB in the beginning and 176.0MB in the end (delta: -107.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:17,065 INFO L158 Benchmark]: RCFGBuilder took 2431.99ms. Allocated memory is still 211.8MB. Free memory was 175.0MB in the beginning and 82.2MB in the end (delta: 92.8MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:17,065 INFO L158 Benchmark]: CodeCheck took 11282.83ms. Allocated memory was 211.8MB in the beginning and 255.9MB in the end (delta: 44.0MB). Free memory was 82.2MB in the beginning and 131.6MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:17,067 INFO L158 Benchmark]: Witness Printer took 269.72ms. Allocated memory is still 255.9MB. Free memory was 131.6MB in the beginning and 121.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:10:17,070 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: 11.2s, 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, 10.3s 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: 0.2s SsaConstructionTime, 0.2s 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 0.36ms. Allocated memory is still 151.0MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.08ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 74.6MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.14ms. Allocated memory is still 151.0MB. Free memory was 74.6MB in the beginning and 68.7MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.43ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 68.7MB in the beginning and 176.0MB in the end (delta: -107.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2431.99ms. Allocated memory is still 211.8MB. Free memory was 175.0MB in the beginning and 82.2MB in the end (delta: 92.8MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * CodeCheck took 11282.83ms. Allocated memory was 211.8MB in the beginning and 255.9MB in the end (delta: 44.0MB). Free memory was 82.2MB in the beginning and 131.6MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 269.72ms. Allocated memory is still 255.9MB. Free memory was 131.6MB in the beginning and 121.1MB 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 20:10:17,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b97a5f-204b-43e5-880d-3ed14c5b785b/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