./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/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_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/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_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/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 53d776429169be2026863283cb18a34602ad7ee3b29f4a2a38a6e26dad3008de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:59,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:59,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:02:59,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:59,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:59,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:59,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:59,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:59,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:59,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:59,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:59,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:59,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:59,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:59,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:59,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:59,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:59,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:59,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:59,602 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:59,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:59,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:59,603 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:59,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:59,604 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:59,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:59,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:59,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:59,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:59,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:59,607 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:59,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:59,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:59,608 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_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53d776429169be2026863283cb18a34602ad7ee3b29f4a2a38a6e26dad3008de [2023-11-19 03:02:59,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:59,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:59,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:59,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:59,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:59,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c [2023-11-19 03:03:03,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:03,435 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:03,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c [2023-11-19 03:03:03,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/data/393685e6d/bea8360fcc1b4cc7ad84e1d4f78c0a8e/FLAG2fe1b42f4 [2023-11-19 03:03:03,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/data/393685e6d/bea8360fcc1b4cc7ad84e1d4f78c0a8e [2023-11-19 03:03:03,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:03,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:03,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:03,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:03,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:03,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229aed31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03, skipping insertion in model container [2023-11-19 03:03:03,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:03,678 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_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c[1113,1126] [2023-11-19 03:03:03,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:03,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:03,730 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_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c[1113,1126] [2023-11-19 03:03:03,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:03,760 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:03,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03 WrapperNode [2023-11-19 03:03:03,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:03,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:03,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:03,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:03,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,811 INFO L138 Inliner]: procedures = 14, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-11-19 03:03:03,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:03,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:03,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:03,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:03,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:03,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:03,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:03,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:03,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:03" (1/1) ... [2023-11-19 03:03:03,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:03,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:03,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:03:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:03:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_24_0 [2023-11-19 03:03:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_24_0 [2023-11-19 03:03:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:04,051 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:04,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:04,281 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:04,346 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:04,346 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:03:04,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:04 BoogieIcfgContainer [2023-11-19 03:03:04,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:04,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:04,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:04,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:04,363 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:04" (1/1) ... [2023-11-19 03:03:04,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-19 03:03:04,434 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-19 03:03:04,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:03:04,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:04,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:06,420 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 03:03:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 19 transitions. [2023-11-19 03:03:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:03:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:03:06,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:06,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:08,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 27 transitions. [2023-11-19 03:03:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 03:03:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:03:10,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 41 transitions. [2023-11-19 03:03:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-19 03:03:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:03:15,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:15,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:03:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 38 transitions. [2023-11-19 03:03:23,869 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-11-19 03:03:23,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:03:23,870 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:03:23,878 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:03:24,586 INFO L560 CodeCheckObserver]: Invariant with dag size 39 [2023-11-19 03:03:24,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~j [2023-11-19 03:03:24,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:03:24,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~k [2023-11-19 03:03:24,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:03:24,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~j [2023-11-19 03:03:24,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:03:24,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i [2023-11-19 03:03:24,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:03:24,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-11-19 03:03:24,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated [2023-11-19 03:03:24,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated [2023-11-19 03:03:24,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-11-19 03:03:24,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated [2023-11-19 03:03:24,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-11-19 03:03:24,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated [2023-11-19 03:03:24,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-11-19 03:03:24,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~k [2023-11-19 03:03:24,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:03:24,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i [2023-11-19 03:03:24,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:03:24,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:03:24 ImpRootNode [2023-11-19 03:03:24,606 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:03:24,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:03:24,608 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:03:24,609 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:03:24,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:04" (3/4) ... [2023-11-19 03:03:24,612 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:03:24,616 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_20_to_24_0 [2023-11-19 03:03:24,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 03:03:24,626 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:03:24,626 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:03:24,627 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:03:24,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:03:24,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:03:24,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:03:24,746 INFO L158 Benchmark]: Toolchain (without parser) took 21283.67ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 144.9MB in the beginning and 302.9MB in the end (delta: -158.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,747 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:24,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.55ms. Allocated memory is still 176.2MB. Free memory was 144.3MB in the beginning and 133.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.57ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 132.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,749 INFO L158 Benchmark]: Boogie Preprocessor took 50.08ms. Allocated memory is still 176.2MB. Free memory was 132.4MB in the beginning and 130.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,749 INFO L158 Benchmark]: RCFGBuilder took 487.04ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 117.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,750 INFO L158 Benchmark]: CodeCheck took 20254.49ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 117.2MB in the beginning and 308.1MB in the end (delta: -190.9MB). Peak memory consumption was 197.6MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,754 INFO L158 Benchmark]: Witness Printer took 137.72ms. Allocated memory is still 371.2MB. Free memory was 308.1MB in the beginning and 302.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:03:24,757 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 233 IncrementalHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 66 mSDtfsCounter, 233 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 466 GetRequests, 376 SyntacticMatches, 26 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1566 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 2521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 5/38 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: 26]: 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: 20]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.55ms. Allocated memory is still 176.2MB. Free memory was 144.3MB in the beginning and 133.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.57ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 132.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.08ms. Allocated memory is still 176.2MB. Free memory was 132.4MB in the beginning and 130.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.04ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 117.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 20254.49ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 117.2MB in the beginning and 308.1MB in the end (delta: -190.9MB). Peak memory consumption was 197.6MB. Max. memory is 16.1GB. * Witness Printer took 137.72ms. Allocated memory is still 371.2MB. Free memory was 308.1MB in the beginning and 302.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~j - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~k - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~j - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~k - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression RESULT: Ultimate proved your program to be correct! [2023-11-19 03:03:24,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2a22a2-0cf5-4d37-8aad-06a9eb3deffc/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