./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.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_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/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_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/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_5c8a0e54-c8c9-408e-995d-08de9ccd1612/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 f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:49,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:49,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:49,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:49,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:49,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:49,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:49,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:49,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:49,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:49,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:50,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:50,001 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:50,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:50,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:50,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:50,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:50,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:50,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:50,006 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:50,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:50,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:50,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:50,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:50,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:50,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:50,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:50,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:50,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:50,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:50,017 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:50,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:50,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:50,018 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_5c8a0e54-c8c9-408e-995d-08de9ccd1612/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2023-11-19 03:57:50,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:50,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:50,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:50,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:50,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:50,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2023-11-19 03:57:54,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:54,533 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:54,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2023-11-19 03:57:54,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/data/bc89cfbc1/a4e093100b5c40739ff7d38928a3e6ae/FLAG34c265b1f [2023-11-19 03:57:54,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/data/bc89cfbc1/a4e093100b5c40739ff7d38928a3e6ae [2023-11-19 03:57:54,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:54,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:54,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:54,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:54,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:54,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:54" (1/1) ... [2023-11-19 03:57:54,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eebe5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:54, skipping insertion in model container [2023-11-19 03:57:54,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:54" (1/1) ... [2023-11-19 03:57:54,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:55,231 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_5c8a0e54-c8c9-408e-995d-08de9ccd1612/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2023-11-19 03:57:55,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:55,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:55,396 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_5c8a0e54-c8c9-408e-995d-08de9ccd1612/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i[33021,33034] [2023-11-19 03:57:55,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:55,539 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:55,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55 WrapperNode [2023-11-19 03:57:55,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:55,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:55,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:55,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:55,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,763 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 955 [2023-11-19 03:57:55,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:55,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:55,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:55,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:55,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:55,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:55,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:55,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:55,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:55" (1/1) ... [2023-11-19 03:57:55,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:55,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:55,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:55,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:57:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:57:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:57:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:57:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:57:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:57:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:57:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:57:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:57:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:56,208 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:56,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:57,792 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:59,291 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:59,294 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 03:57:59,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:59 BoogieIcfgContainer [2023-11-19 03:57:59,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:59,308 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:59,308 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:59,322 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:59,322 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:59" (1/1) ... [2023-11-19 03:57:59,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2023-11-19 03:57:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2023-11-19 03:57:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:57:59,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:59,788 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 03:57:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 101 states and 171 transitions. [2023-11-19 03:57:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 171 transitions. [2023-11-19 03:57:59,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:57:59,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:00,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:00,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:00,076 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 03:58:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 101 states and 169 transitions. [2023-11-19 03:58:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 169 transitions. [2023-11-19 03:58:00,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:58:00,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:00,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:00,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:00,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:00,221 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 03:58:00,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2023-11-19 03:58:00,244 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2023-11-19 03:58:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:58:00,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:00,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:00,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:00,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:00,401 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 03:58:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 101 states and 159 transitions. [2023-11-19 03:58:00,419 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2023-11-19 03:58:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:58:00,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:00,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:00,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:00,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:00,661 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 03:58:10,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:58:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2023-11-19 03:58:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2023-11-19 03:58:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:58:10,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:10,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:11,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:58:11,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:21,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:58:22,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:58:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-11-19 03:58:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-11-19 03:58:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:58:22,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:22,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:23,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:23,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:33,045 WARN L539 Checker$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 03:58:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 120 states and 174 transitions. [2023-11-19 03:58:33,061 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2023-11-19 03:58:33,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:58:33,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:33,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:58:33,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:58:43,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:58:47,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:58:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-19 03:58:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-19 03:58:47,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:58:47,458 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-19 03:58:47,467 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:58:47,485 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:58:47,492 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:58:47,493 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:58:47,493 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:58:47,493 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:58:47,494 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:58:47,494 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:58:47,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:58:47 ImpRootNode [2023-11-19 03:58:47,495 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:58:47,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:58:47,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:58:47,497 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:58:47,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:59" (3/4) ... [2023-11-19 03:58:47,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:58:47,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:58:47,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:58:47,524 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2023-11-19 03:58:47,526 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 03:58:47,527 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:58:47,529 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:58:47,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:58:47,741 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:58:47,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:58:47,742 INFO L158 Benchmark]: Toolchain (without parser) took 53161.39ms. Allocated memory was 151.0MB in the beginning and 241.2MB in the end (delta: 90.2MB). Free memory was 111.3MB in the beginning and 143.3MB in the end (delta: -32.1MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,742 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 104.9MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:47,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 957.90ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 81.9MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.33ms. Allocated memory is still 151.0MB. Free memory was 81.9MB in the beginning and 114.8MB in the end (delta: -32.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,744 INFO L158 Benchmark]: Boogie Preprocessor took 117.62ms. Allocated memory is still 151.0MB. Free memory was 114.8MB in the beginning and 108.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,744 INFO L158 Benchmark]: RCFGBuilder took 3422.46ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 108.5MB in the beginning and 84.7MB in the end (delta: 23.8MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,745 INFO L158 Benchmark]: CodeCheck took 48187.48ms. Allocated memory was 197.1MB in the beginning and 241.2MB in the end (delta: 44.0MB). Free memory was 84.7MB in the beginning and 155.9MB in the end (delta: -71.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:47,745 INFO L158 Benchmark]: Witness Printer took 245.04ms. Allocated memory is still 241.2MB. Free memory was 155.9MB in the beginning and 143.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,747 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 805 SdHoareTripleChecker+Valid, 108.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 559 SdHoareTripleChecker+Invalid, 108.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 409 mSDtfsCounter, 157 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1604 GetRequests, 1566 SyntacticMatches, 30 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 311 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1570 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 7/9 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: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (i <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 104.9MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 957.90ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 81.9MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.33ms. Allocated memory is still 151.0MB. Free memory was 81.9MB in the beginning and 114.8MB in the end (delta: -32.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.62ms. Allocated memory is still 151.0MB. Free memory was 114.8MB in the beginning and 108.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3422.46ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 108.5MB in the beginning and 84.7MB in the end (delta: 23.8MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. * CodeCheck took 48187.48ms. Allocated memory was 197.1MB in the beginning and 241.2MB in the end (delta: 44.0MB). Free memory was 84.7MB in the beginning and 155.9MB in the end (delta: -71.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 245.04ms. Allocated memory is still 241.2MB. Free memory was 155.9MB in the beginning and 143.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:58:47,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0e54-c8c9-408e-995d-08de9ccd1612/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE