./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:35,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:35,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:33:35,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:33:35,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:33:35,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:35,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:33:35,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:33:35,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:35,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:35,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:35,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:33:35,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:35,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:33:35,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:35,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:35,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:33:35,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:35,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:33:35,653 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:35,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:33:35,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:35,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:35,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:35,655 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:35,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:35,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:35,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:35,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:35,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:33:35,659 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:33:35,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:33:35,659 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:33:35,660 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_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e [2023-11-19 03:33:35,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:36,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:36,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:36,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:36,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:36,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i [2023-11-19 03:33:39,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:39,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:39,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i [2023-11-19 03:33:39,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/data/a39749240/896ca35c2941475fa55dcec20efdbfdd/FLAGee4cb2e48 [2023-11-19 03:33:39,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/data/a39749240/896ca35c2941475fa55dcec20efdbfdd [2023-11-19 03:33:39,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:39,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:39,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:39,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:39,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:39,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:39" (1/1) ... [2023-11-19 03:33:39,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf6eaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:39, skipping insertion in model container [2023-11-19 03:33:39,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:39" (1/1) ... [2023-11-19 03:33:39,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:39,986 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:33:40,135 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i[33510,33523] [2023-11-19 03:33:40,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:40,309 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:40,342 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:33:40,371 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i[33510,33523] [2023-11-19 03:33:40,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:40,537 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:33:40,545 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:40,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40 WrapperNode [2023-11-19 03:33:40,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:40,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:40,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:40,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:40,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,669 INFO L138 Inliner]: procedures = 178, calls = 391, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1622 [2023-11-19 03:33:40,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:40,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:40,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:40,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:40,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:40,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:40,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:40,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:40,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:40" (1/1) ... [2023-11-19 03:33:40,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:40,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:40,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:40,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:33:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:33:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:33:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:33:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:33:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:33:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:33:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:33:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:33:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:33:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:41,204 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:41,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:43,229 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:45,077 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:45,078 INFO L302 CfgBuilder]: Removed 69 assume(true) statements. [2023-11-19 03:33:45,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:45 BoogieIcfgContainer [2023-11-19 03:33:45,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:33:45,086 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:33:45,086 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:33:45,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:33:45,097 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:45" (1/1) ... [2023-11-19 03:33:45,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:33:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 219 transitions. [2023-11-19 03:33:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2023-11-19 03:33:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:33:45,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:45,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-11-19 03:33:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-11-19 03:33:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:33:45,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:45,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:33:45,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 218 transitions. [2023-11-19 03:33:45,729 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2023-11-19 03:33:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:33:45,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:45,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:45,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:33:45,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 131 states and 210 transitions. [2023-11-19 03:33:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 210 transitions. [2023-11-19 03:33:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:33:45,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:45,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:45,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:33:45,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:46,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 131 states and 198 transitions. [2023-11-19 03:33:46,016 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 198 transitions. [2023-11-19 03:33:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:33:46,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:46,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:46,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:33:46,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:56,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:34:06,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:34:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-19 03:34:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-19 03:34:06,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:34:06,471 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:34:06,481 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:34:06,519 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:34:06,525 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,527 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,527 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:34:06,528 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,528 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,528 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,528 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,529 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,529 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:34:06,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:34:06 ImpRootNode [2023-11-19 03:34:06,531 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:34:06,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:34:06,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:34:06,532 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:34:06,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:45" (3/4) ... [2023-11-19 03:34:06,535 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:34:06,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:34:06,573 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2023-11-19 03:34:06,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:34:06,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:34:06,578 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:34:06,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:34:06,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:34:06,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:34:06,776 INFO L158 Benchmark]: Toolchain (without parser) took 27178.18ms. Allocated memory was 178.3MB in the beginning and 255.9MB in the end (delta: 77.6MB). Free memory was 130.5MB in the beginning and 69.1MB in the end (delta: 61.5MB). Peak memory consumption was 140.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:06,777 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:06,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 946.12ms. Allocated memory is still 178.3MB. Free memory was 130.1MB in the beginning and 136.3MB in the end (delta: -6.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:06,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.54ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 126.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:06,779 INFO L158 Benchmark]: Boogie Preprocessor took 159.71ms. Allocated memory is still 178.3MB. Free memory was 126.9MB in the beginning and 115.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:06,780 INFO L158 Benchmark]: RCFGBuilder took 4254.99ms. Allocated memory was 178.3MB in the beginning and 255.9MB in the end (delta: 77.6MB). Free memory was 115.4MB in the beginning and 73.1MB in the end (delta: 42.3MB). Peak memory consumption was 122.0MB. Max. memory is 16.1GB. [2023-11-19 03:34:06,780 INFO L158 Benchmark]: CodeCheck took 21445.61ms. Allocated memory is still 255.9MB. Free memory was 73.1MB in the beginning and 81.6MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:06,781 INFO L158 Benchmark]: Witness Printer took 243.71ms. Allocated memory is still 255.9MB. Free memory was 81.6MB in the beginning and 69.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:06,783 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 2 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 374 SdHoareTripleChecker+Valid, 20.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 133 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 830 GetRequests, 826 SyntacticMatches, 0 SemanticMatches, 4 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, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 713 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 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: 724]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 946.12ms. Allocated memory is still 178.3MB. Free memory was 130.1MB in the beginning and 136.3MB in the end (delta: -6.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.54ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 126.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.71ms. Allocated memory is still 178.3MB. Free memory was 126.9MB in the beginning and 115.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4254.99ms. Allocated memory was 178.3MB in the beginning and 255.9MB in the end (delta: 77.6MB). Free memory was 115.4MB in the beginning and 73.1MB in the end (delta: 42.3MB). Peak memory consumption was 122.0MB. Max. memory is 16.1GB. * CodeCheck took 21445.61ms. Allocated memory is still 255.9MB. Free memory was 73.1MB in the beginning and 81.6MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 243.71ms. Allocated memory is still 255.9MB. Free memory was 81.6MB in the beginning and 69.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:34:06,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7620f4-57da-4515-81a7-f3dca4251662/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE