./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.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_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/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_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/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_506fc587-6315-4a38-80ce-0fa29b675fed/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 f947716b74eb4e4932bd5d636c4998c6e0af4555d045ab3a1d1cd79c9fa77ead --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:48,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:49,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:49,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:49,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:49,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:49,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:49,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:49,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:49,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:49,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:49,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:49,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:49,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:49,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:49,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:49,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:49,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:49,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:49,134 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:49,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:49,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:49,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:49,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:49,137 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:49,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:49,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:49,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:49,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:49,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:49,141 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:49,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:49,141 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:49,141 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_506fc587-6315-4a38-80ce-0fa29b675fed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f947716b74eb4e4932bd5d636c4998c6e0af4555d045ab3a1d1cd79c9fa77ead [2023-11-19 04:07:49,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:49,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:49,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:49,503 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:49,504 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:49,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i [2023-11-19 04:07:52,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:53,097 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:53,098 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i [2023-11-19 04:07:53,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/data/0dfda0f1c/956c9bf652984253844075b42a6cf66c/FLAG9beac500f [2023-11-19 04:07:53,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/data/0dfda0f1c/956c9bf652984253844075b42a6cf66c [2023-11-19 04:07:53,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:53,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:53,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:53,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:53,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:53,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:53" (1/1) ... [2023-11-19 04:07:53,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47742339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:53, skipping insertion in model container [2023-11-19 04:07:53,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:53" (1/1) ... [2023-11-19 04:07:53,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:53,478 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:07:53,689 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_506fc587-6315-4a38-80ce-0fa29b675fed/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i[33510,33523] [2023-11-19 04:07:53,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:53,842 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:53,879 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:07:53,893 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_506fc587-6315-4a38-80ce-0fa29b675fed/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i[33510,33523] [2023-11-19 04:07:53,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:54,015 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:07:54,024 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:54,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54 WrapperNode [2023-11-19 04:07:54,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:54,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:54,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:54,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:54,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,139 INFO L138 Inliner]: procedures = 178, calls = 177, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 751 [2023-11-19 04:07:54,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:54,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:54,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:54,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:54,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:54,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:54,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:54,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:54,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:54" (1/1) ... [2023-11-19 04:07:54,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:54,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:54,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:54,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:07:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:07:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:07:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:07:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:07:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:54,612 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:54,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:55,866 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:57,050 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:57,051 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 04:07:57,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:57 BoogieIcfgContainer [2023-11-19 04:07:57,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:57,062 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:57,062 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:57,076 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:57,076 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:57" (1/1) ... [2023-11-19 04:07:57,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 102 transitions. [2023-11-19 04:07:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2023-11-19 04:07:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:07:57,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,511 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 04:07:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 103 transitions. [2023-11-19 04:07:57,559 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2023-11-19 04:07:57,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:07:57,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,627 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 04:07:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2023-11-19 04:07:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2023-11-19 04:07:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:07:57,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,693 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 04:07:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2023-11-19 04:07:57,701 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2023-11-19 04:07:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:07:57,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,769 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 04:07:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2023-11-19 04:07:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2023-11-19 04:07:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:07:57,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,921 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 04:08:03,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2023-11-19 04:08:03,235 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2023-11-19 04:08:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:08:03,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:03,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:13,876 WARN L539 Checker$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 04:08:23,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:33,909 WARN L539 Checker$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 04:08:43,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2023-11-19 04:08:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2023-11-19 04:08:43,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:08:43,946 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 04:08:43,954 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:08:43,982 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-19 04:08:43,989 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:08:43,989 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 04:08:43,990 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 04:08:43,990 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 04:08:43,990 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:08:43,991 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:08:43,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:08:43 ImpRootNode [2023-11-19 04:08:43,991 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:08:43,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:08:43,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:08:44,000 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:08:44,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:57" (3/4) ... [2023-11-19 04:08:44,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:08:44,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 04:08:44,039 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2023-11-19 04:08:44,040 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 04:08:44,042 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 04:08:44,043 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:08:44,233 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:08:44,234 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:08:44,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:08:44,236 INFO L158 Benchmark]: Toolchain (without parser) took 51094.28ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 120.2MB in the beginning and 115.4MB in the end (delta: 4.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 04:08:44,236 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:44,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 882.65ms. Allocated memory is still 161.5MB. Free memory was 120.2MB in the beginning and 92.5MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 04:08:44,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.30ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 87.0MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:08:44,237 INFO L158 Benchmark]: Boogie Preprocessor took 150.09ms. Allocated memory is still 161.5MB. Free memory was 87.0MB in the beginning and 126.3MB in the end (delta: -39.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-19 04:08:44,237 INFO L158 Benchmark]: RCFGBuilder took 2760.45ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 126.3MB in the beginning and 79.8MB in the end (delta: 46.5MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2023-11-19 04:08:44,238 INFO L158 Benchmark]: CodeCheck took 46929.12ms. Allocated memory is still 195.0MB. Free memory was 79.8MB in the beginning and 125.8MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:44,238 INFO L158 Benchmark]: Witness Printer took 242.91ms. Allocated memory is still 195.0MB. Free memory was 125.8MB in the beginning and 115.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:08:44,240 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, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 50.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 50.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 111 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 664 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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: 737]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 882.65ms. Allocated memory is still 161.5MB. Free memory was 120.2MB in the beginning and 92.5MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.30ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 87.0MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.09ms. Allocated memory is still 161.5MB. Free memory was 87.0MB in the beginning and 126.3MB in the end (delta: -39.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2760.45ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 126.3MB in the beginning and 79.8MB in the end (delta: 46.5MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. * CodeCheck took 46929.12ms. Allocated memory is still 195.0MB. Free memory was 79.8MB in the beginning and 125.8MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 242.91ms. Allocated memory is still 195.0MB. Free memory was 125.8MB in the beginning and 115.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:08:44,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506fc587-6315-4a38-80ce-0fa29b675fed/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