./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s4iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s4iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk --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 aa44544cef56565ed3319ce5058689b3bfab54966d5ccdccfbe58cd92a919183 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:06:57,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:06:57,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:06:57,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:06:57,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:06:58,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:06:58,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:06:58,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:06:58,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:06:58,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:06:58,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:06:58,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:06:58,040 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:06:58,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:06:58,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:06:58,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:06:58,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:06:58,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:06:58,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:06:58,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:06:58,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:06:58,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:06:58,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:06:58,051 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:06:58,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:06:58,052 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:06:58,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:06:58,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:58,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:06:58,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:06:58,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:06:58,053 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:06:58,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:06:58,054 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_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa44544cef56565ed3319ce5058689b3bfab54966d5ccdccfbe58cd92a919183 [2024-11-09 00:06:58,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:06:58,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:06:58,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:06:58,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:06:58,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:06:58,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-fpi/s4iff.c Unable to find full path for "g++" [2024-11-09 00:07:00,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:07:00,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:07:00,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/sv-benchmarks/c/array-fpi/s4iff.c [2024-11-09 00:07:00,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/data/51a0f6e9d/d2a5edcc781943d8ab45af52e9797c6e/FLAG5411dd0eb [2024-11-09 00:07:00,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/data/51a0f6e9d/d2a5edcc781943d8ab45af52e9797c6e [2024-11-09 00:07:00,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:07:00,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:07:00,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:07:00,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:07:00,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:07:00,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:00,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62303268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00, skipping insertion in model container [2024-11-09 00:07:00,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:00,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:07:00,916 WARN L250 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_c303ac95-ddea-496a-a68c-ff6c7e416767/sv-benchmarks/c/array-fpi/s4iff.c[588,601] [2024-11-09 00:07:00,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:07:00,948 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:07:00,960 WARN L250 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_c303ac95-ddea-496a-a68c-ff6c7e416767/sv-benchmarks/c/array-fpi/s4iff.c[588,601] [2024-11-09 00:07:00,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:07:00,989 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:07:00,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00 WrapperNode [2024-11-09 00:07:00,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:07:00,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:07:00,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:07:00,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:07:00,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,027 INFO L138 Inliner]: procedures = 17, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-09 00:07:01,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:07:01,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:07:01,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:07:01,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:07:01,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:07:01,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:07:01,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:07:01,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:07:01,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:00" (1/1) ... [2024-11-09 00:07:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:07:01,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:07:01,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:07:01,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:07:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:07:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:07:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:07:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:07:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:07:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:07:01,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:07:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:07:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:07:01,208 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:07:01,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:07:01,400 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:07:01,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:07:01,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:07:01,454 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:07:01,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:01 BoogieIcfgContainer [2024-11-09 00:07:01,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:07:01,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:07:01,456 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:07:01,467 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:07:01,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:01" (1/1) ... [2024-11-09 00:07:01,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:07:01,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-09 00:07:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-09 00:07:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:07:01,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:01,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-09 00:07:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-09 00:07:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:07:01,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:01,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-09 00:07:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-09 00:07:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:07:02,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:02,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:07:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-09 00:07:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-09 00:07:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:07:02,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:02,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:07:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-09 00:07:02,399 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-09 00:07:02,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:07:02,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:02,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:04,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-09 00:07:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 00:07:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:07:04,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-09 00:07:06,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-09 00:07:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:07:06,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:06,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:06,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-09 00:07:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-09 00:07:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:07:06,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2024-11-09 00:07:07,387 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2024-11-09 00:07:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:07:07,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:07,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:07:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:07,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:07:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:07,569 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2024-11-09 00:07:07,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:07:07 ImpRootNode [2024-11-09 00:07:07,601 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:07:07,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:07:07,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:07:07,602 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:07:07,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:01" (3/4) ... [2024-11-09 00:07:07,604 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:07:07,656 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c303ac95-ddea-496a-a68c-ff6c7e416767/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:07:07,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:07:07,657 INFO L158 Benchmark]: Toolchain (without parser) took 6957.40ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 129.1MB in the beginning and 94.0MB in the end (delta: 35.1MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2024-11-09 00:07:07,658 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:07:07,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.98ms. Allocated memory is still 167.8MB. Free memory was 129.1MB in the beginning and 115.9MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:07:07,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 114.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:07:07,660 INFO L158 Benchmark]: Boogie Preprocessor took 29.73ms. Allocated memory is still 167.8MB. Free memory was 114.4MB in the beginning and 113.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:07:07,660 INFO L158 Benchmark]: RCFGBuilder took 396.32ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 98.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:07:07,661 INFO L158 Benchmark]: CodeCheck took 6145.55ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 98.1MB in the beginning and 96.1MB in the end (delta: 2.0MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-09 00:07:07,661 INFO L158 Benchmark]: Witness Printer took 54.75ms. Allocated memory is still 205.5MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:07:07,664 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 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 704 IncrementalHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 92 mSDtfsCounter, 704 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 831 GetRequests, 725 SyntacticMatches, 16 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3831 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 6/24 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [N=2, a={-1:0}, i=0, sum={4:0}] [L32] COND FALSE !(i