./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/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_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/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_a865af2b-c6c6-4b63-b639-170b013b4eb3/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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:09,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:09,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:14:09,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:09,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:09,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:09,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:09,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:09,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:09,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:09,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:09,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:09,562 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:09,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:09,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:09,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:09,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:09,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:09,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:09,566 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:09,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:09,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:09,574 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:09,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:09,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:09,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:09,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:09,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:09,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:09,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:09,577 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:09,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:09,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:09,578 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_a865af2b-c6c6-4b63-b639-170b013b4eb3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2023-11-19 03:14:09,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:09,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:09,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:09,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:09,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:09,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-11-19 03:14:12,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:13,406 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:13,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-11-19 03:14:13,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/data/24b73d230/c8260ee1c3b34fbba6fc9322b6b2f74f/FLAG18e18f8cf [2023-11-19 03:14:13,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/data/24b73d230/c8260ee1c3b34fbba6fc9322b6b2f74f [2023-11-19 03:14:13,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:13,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:13,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:13,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:13,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:13,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689b2943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13, skipping insertion in model container [2023-11-19 03:14:13,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:13,942 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_a865af2b-c6c6-4b63-b639-170b013b4eb3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2023-11-19 03:14:14,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:14,095 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:14,127 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_a865af2b-c6c6-4b63-b639-170b013b4eb3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2023-11-19 03:14:14,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:14,259 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:14,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14 WrapperNode [2023-11-19 03:14:14,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:14,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:14,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:14,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:14,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,379 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 955 [2023-11-19 03:14:14,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:14,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:14,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:14,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:14,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:14,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:14,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:14,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:14,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:14,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:14,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:14,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:14:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:14:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:14:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:14:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:14:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:14:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:14:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:14:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:14:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:14:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:14:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:14:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:14,782 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:14,784 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:16,295 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:17,368 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:17,368 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 03:14:17,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:17 BoogieIcfgContainer [2023-11-19 03:14:17,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:17,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:17,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:17,386 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:17,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:17" (1/1) ... [2023-11-19 03:14:17,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2023-11-19 03:14:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2023-11-19 03:14:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:17,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:17,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:17,659 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 03:14:17,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 101 states and 171 transitions. [2023-11-19 03:14:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 171 transitions. [2023-11-19 03:14:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:14:17,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:17,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:17,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:14:17,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:17,789 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 03:14:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 101 states and 169 transitions. [2023-11-19 03:14:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 169 transitions. [2023-11-19 03:14:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:14:17,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:17,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:17,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:14:17,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:17,874 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 03:14:17,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2023-11-19 03:14:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2023-11-19 03:14:17,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:14:17,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:17,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:17,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:14:17,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:17,972 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 03:14:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:17,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 101 states and 159 transitions. [2023-11-19 03:14:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2023-11-19 03:14:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:14:17,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:17,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:18,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:14:18,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:18,145 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 03:14:28,172 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 03:14:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-11-19 03:14:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-11-19 03:14:28,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:14:28,216 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:14:28,223 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:14:28,242 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:28,247 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:28,247 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:28,248 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:28,248 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:14:28,251 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:28,252 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:28,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:14:28 ImpRootNode [2023-11-19 03:14:28,252 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:14:28,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:14:28,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:14:28,254 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:14:28,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:17" (3/4) ... [2023-11-19 03:14:28,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:14:28,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:14:28,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:14:28,290 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2023-11-19 03:14:28,292 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 03:14:28,293 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:14:28,295 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:14:28,558 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:14:28,559 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:14:28,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:14:28,560 INFO L158 Benchmark]: Toolchain (without parser) took 15089.74ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 128.3MB in the beginning and 161.4MB in the end (delta: -33.1MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,560 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:28,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.00ms. Allocated memory is still 159.4MB. Free memory was 127.9MB in the beginning and 98.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.56ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 92.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,562 INFO L158 Benchmark]: Boogie Preprocessor took 100.08ms. Allocated memory is still 159.4MB. Free memory was 92.2MB in the beginning and 84.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,562 INFO L158 Benchmark]: RCFGBuilder took 2893.83ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 84.9MB in the beginning and 144.9MB in the end (delta: -60.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,563 INFO L158 Benchmark]: CodeCheck took 10877.02ms. Allocated memory is still 213.9MB. Free memory was 144.9MB in the beginning and 62.1MB in the end (delta: 82.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,564 INFO L158 Benchmark]: Witness Printer took 305.62ms. Allocated memory is still 213.9MB. Free memory was 62.1MB in the beginning and 161.4MB in the end (delta: -99.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,566 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: 10.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 299 SdHoareTripleChecker+Valid, 10.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 138 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 701 GetRequests, 699 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 588 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: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (i == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.00ms. Allocated memory is still 159.4MB. Free memory was 127.9MB in the beginning and 98.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.56ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 92.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.08ms. Allocated memory is still 159.4MB. Free memory was 92.2MB in the beginning and 84.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2893.83ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 84.9MB in the beginning and 144.9MB in the end (delta: -60.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * CodeCheck took 10877.02ms. Allocated memory is still 213.9MB. Free memory was 144.9MB in the beginning and 62.1MB in the end (delta: 82.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 305.62ms. Allocated memory is still 213.9MB. Free memory was 62.1MB in the beginning and 161.4MB in the end (delta: -99.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:14:28,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a865af2b-c6c6-4b63-b639-170b013b4eb3/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