./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/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_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/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_b80a205e-21c5-4e07-a92f-593fc519d234/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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:04,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:04,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:45:04,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:04,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:04,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:04,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:04,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:04,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:04,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:04,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:04,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:04,243 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:04,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:04,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:04,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:04,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:04,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:04,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:04,247 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:04,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:04,252 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:04,253 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:04,253 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:04,254 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:04,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:04,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:04,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:04,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:04,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:04,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:04,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:04,258 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:04,258 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_b80a205e-21c5-4e07-a92f-593fc519d234/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2023-11-19 02:45:04,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:04,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:04,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:04,533 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:04,536 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:04,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-11-19 02:45:07,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:07,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:07,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-11-19 02:45:08,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/data/d7673fd38/2c4e60d9e32046f7bf248999b1a58e23/FLAG873e40885 [2023-11-19 02:45:08,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/data/d7673fd38/2c4e60d9e32046f7bf248999b1a58e23 [2023-11-19 02:45:08,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:08,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:08,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:08,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:08,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:08,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:08,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f01333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08, skipping insertion in model container [2023-11-19 02:45:08,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:08,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:08,630 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_b80a205e-21c5-4e07-a92f-593fc519d234/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2023-11-19 02:45:08,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:08,816 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:08,846 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_b80a205e-21c5-4e07-a92f-593fc519d234/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2023-11-19 02:45:08,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:08,984 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:08,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08 WrapperNode [2023-11-19 02:45:08,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:08,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:08,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:08,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:08,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,143 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1805 [2023-11-19 02:45:09,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:09,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:09,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:09,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:09,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:09,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:09,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:09,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:09,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:08" (1/1) ... [2023-11-19 02:45:09,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:09,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:09,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:09,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:45:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:45:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:45:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:45:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:45:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:45:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:45:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:45:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:45:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:45:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:45:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:09,782 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:09,784 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:11,644 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:13,701 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:13,701 INFO L302 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-19 02:45:13,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:13 BoogieIcfgContainer [2023-11-19 02:45:13,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:13,715 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:13,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:13,726 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:13,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:13" (1/1) ... [2023-11-19 02:45:13,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 281 transitions. [2023-11-19 02:45:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2023-11-19 02:45:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:45:13,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:13,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,084 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 02:45:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 164 states and 282 transitions. [2023-11-19 02:45:14,162 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 282 transitions. [2023-11-19 02:45:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:45:14,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:14,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:14,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:14,312 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 02:45:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 164 states and 278 transitions. [2023-11-19 02:45:14,325 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 278 transitions. [2023-11-19 02:45:14,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:45:14,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:14,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:14,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:14,463 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 02:45:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 164 states and 270 transitions. [2023-11-19 02:45:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2023-11-19 02:45:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:45:14,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:14,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:14,658 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 02:45:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 164 states and 258 transitions. [2023-11-19 02:45:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 258 transitions. [2023-11-19 02:45:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:45:14,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:14,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:14,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:14,976 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 02:45:25,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:45:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-11-19 02:45:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-11-19 02:45:25,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:45:25,997 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 02:45:26,008 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:45:26,023 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:45:26,028 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:45:26,028 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:45:26,028 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:45:26,028 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:45:26,029 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 02:45:26,031 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:45:26,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:45:26 ImpRootNode [2023-11-19 02:45:26,032 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:45:26,032 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:45:26,032 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:45:26,032 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:45:26,033 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:13" (3/4) ... [2023-11-19 02:45:26,035 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:45:26,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 02:45:26,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 02:45:26,114 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 231 nodes and edges [2023-11-19 02:45:26,116 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 02:45:26,117 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 02:45:26,119 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:45:26,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:45:26,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:45:26,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:45:26,306 INFO L158 Benchmark]: Toolchain (without parser) took 18279.93ms. Allocated memory was 151.0MB in the beginning and 287.3MB in the end (delta: 136.3MB). Free memory was 113.1MB in the beginning and 211.6MB in the end (delta: -98.5MB). Peak memory consumption was 180.0MB. Max. memory is 16.1GB. [2023-11-19 02:45:26,306 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:26,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 957.57ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 75.3MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 02:45:26,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.45ms. Allocated memory is still 151.0MB. Free memory was 75.3MB in the beginning and 64.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:45:26,307 INFO L158 Benchmark]: Boogie Preprocessor took 229.76ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 64.2MB in the beginning and 140.8MB in the end (delta: -76.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-19 02:45:26,309 INFO L158 Benchmark]: RCFGBuilder took 4339.16ms. Allocated memory was 182.5MB in the beginning and 287.3MB in the end (delta: 104.9MB). Free memory was 140.8MB in the beginning and 206.3MB in the end (delta: -65.5MB). Peak memory consumption was 126.4MB. Max. memory is 16.1GB. [2023-11-19 02:45:26,310 INFO L158 Benchmark]: CodeCheck took 12316.53ms. Allocated memory is still 287.3MB. Free memory was 206.3MB in the beginning and 79.4MB in the end (delta: 126.9MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2023-11-19 02:45:26,311 INFO L158 Benchmark]: Witness Printer took 273.09ms. Allocated memory is still 287.3MB. Free memory was 78.4MB in the beginning and 211.6MB in the end (delta: -133.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:45:26,313 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, 163 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 455 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 186 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 971 GetRequests, 969 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, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 808 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: 703]: 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: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 957.57ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 75.3MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.45ms. Allocated memory is still 151.0MB. Free memory was 75.3MB in the beginning and 64.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 229.76ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 64.2MB in the beginning and 140.8MB in the end (delta: -76.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4339.16ms. Allocated memory was 182.5MB in the beginning and 287.3MB in the end (delta: 104.9MB). Free memory was 140.8MB in the beginning and 206.3MB in the end (delta: -65.5MB). Peak memory consumption was 126.4MB. Max. memory is 16.1GB. * CodeCheck took 12316.53ms. Allocated memory is still 287.3MB. Free memory was 206.3MB in the beginning and 79.4MB in the end (delta: 126.9MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * Witness Printer took 273.09ms. Allocated memory is still 287.3MB. Free memory was 78.4MB in the beginning and 211.6MB in the end (delta: -133.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:45:26,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80a205e-21c5-4e07-a92f-593fc519d234/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