./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/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_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/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_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/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 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:14,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:14,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:09:14,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:14,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:14,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:14,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:14,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:14,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:14,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:14,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:14,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:14,670 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:14,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:14,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:14,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:14,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:14,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:14,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:14,674 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:14,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:14,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:14,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:14,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:14,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:14,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:14,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:14,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:14,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:14,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:14,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:14,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:14,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:14,682 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_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 [2023-11-19 03:09:14,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:15,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:15,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:15,006 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:15,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:15,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2023-11-19 03:09:18,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:18,571 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:18,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i [2023-11-19 03:09:18,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/data/9710480d3/53dbc038914d492fb9f5d23a26a77ee1/FLAG861b0c345 [2023-11-19 03:09:18,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/data/9710480d3/53dbc038914d492fb9f5d23a26a77ee1 [2023-11-19 03:09:18,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:18,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:18,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:18,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:18,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:18,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f1c60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:18, skipping insertion in model container [2023-11-19 03:09:18,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:18" (1/1) ... [2023-11-19 03:09:18,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:18,996 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:09:19,136 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_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i[33510,33523] [2023-11-19 03:09:19,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:19,298 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:19,325 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:09:19,340 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_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-1.i[33510,33523] [2023-11-19 03:09:19,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:19,515 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:19,522 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:19,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19 WrapperNode [2023-11-19 03:09:19,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:19,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:19,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:19,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:19,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,690 INFO L138 Inliner]: procedures = 178, calls = 340, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1457 [2023-11-19 03:09:19,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:19,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:19,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:19,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:19,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:19,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:19,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:19,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:19,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:19" (1/1) ... [2023-11-19 03:09:19,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:19,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:19,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:19,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:09:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:09:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:09:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:09:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:09:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:09:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:09:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:09:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:20,242 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:20,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:21,949 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:23,570 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:23,570 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 03:09:23,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:23 BoogieIcfgContainer [2023-11-19 03:09:23,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:23,578 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:23,578 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:23,588 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:23,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:23" (1/1) ... [2023-11-19 03:09:23,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2023-11-19 03:09:23,696 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2023-11-19 03:09:23,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:09:23,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:23,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:24,033 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 03:09:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2023-11-19 03:09:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2023-11-19 03:09:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:09:24,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:24,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:24,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:24,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:24,273 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 03:09:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:24,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 192 transitions. [2023-11-19 03:09:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 192 transitions. [2023-11-19 03:09:24,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:24,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:24,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:24,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:24,410 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 03:09:24,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2023-11-19 03:09:24,421 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2023-11-19 03:09:24,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:09:24,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:24,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:24,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:24,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:24,593 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 03:09:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 116 states and 172 transitions. [2023-11-19 03:09:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 172 transitions. [2023-11-19 03:09:24,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:09:24,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:24,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:24,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:24,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:24,858 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 03:09:34,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:09:37,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:09:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-19 03:09:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-19 03:09:37,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:09:37,455 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:09:37,464 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:09:37,490 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:09:37,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:09:37,497 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:09:37,497 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:09:37,498 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:09:37,498 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:09:37,498 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:09:37,498 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:09:37,499 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:09:37,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:09:37 ImpRootNode [2023-11-19 03:09:37,501 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:09:37,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:09:37,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:09:37,503 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:09:37,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:23" (3/4) ... [2023-11-19 03:09:37,505 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:09:37,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:09:37,547 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 130 nodes and edges [2023-11-19 03:09:37,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 03:09:37,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:09:37,552 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:09:37,691 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:09:37,692 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:09:37,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:09:37,693 INFO L158 Benchmark]: Toolchain (without parser) took 19081.94ms. Allocated memory was 169.9MB in the beginning and 249.6MB in the end (delta: 79.7MB). Free memory was 128.0MB in the beginning and 78.3MB in the end (delta: 49.7MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,693 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:37,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.79ms. Allocated memory is still 169.9MB. Free memory was 128.0MB in the beginning and 93.4MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.83ms. Allocated memory is still 169.9MB. Free memory was 93.4MB in the beginning and 84.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,696 INFO L158 Benchmark]: Boogie Preprocessor took 138.17ms. Allocated memory is still 169.9MB. Free memory was 84.0MB in the beginning and 74.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,698 INFO L158 Benchmark]: RCFGBuilder took 3746.67ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 74.6MB in the beginning and 52.1MB in the end (delta: 22.5MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,699 INFO L158 Benchmark]: CodeCheck took 13923.44ms. Allocated memory was 205.5MB in the beginning and 249.6MB in the end (delta: 44.0MB). Free memory was 52.1MB in the beginning and 88.8MB in the end (delta: -36.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,700 INFO L158 Benchmark]: Witness Printer took 190.63ms. Allocated memory is still 249.6MB. Free memory was 88.8MB in the beginning and 78.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 374 SdHoareTripleChecker+Valid, 12.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 12.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 133 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 830 GetRequests, 826 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 713 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 724]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 140.5MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.79ms. Allocated memory is still 169.9MB. Free memory was 128.0MB in the beginning and 93.4MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.83ms. Allocated memory is still 169.9MB. Free memory was 93.4MB in the beginning and 84.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.17ms. Allocated memory is still 169.9MB. Free memory was 84.0MB in the beginning and 74.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3746.67ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 74.6MB in the beginning and 52.1MB in the end (delta: 22.5MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * CodeCheck took 13923.44ms. Allocated memory was 205.5MB in the beginning and 249.6MB in the end (delta: 44.0MB). Free memory was 52.1MB in the beginning and 88.8MB in the end (delta: -36.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 190.63ms. Allocated memory is still 249.6MB. Free memory was 88.8MB in the beginning and 78.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:09:37,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992e9e-1e4c-4fa4-89e0-ace6b04a674a/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