./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms3f.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_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/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_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/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_0b6345ea-05ce-460f-82ef-0e5c739bd756/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 4c8140e2e8a1fdfd22598944f5691727061dbf1fd5151d567023569c44339f8c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:34,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:34,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:34,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:34,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:34,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:34,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:34,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:34,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:34,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:34,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:34,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:34,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:34,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:34,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:34,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:34,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:34,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:34,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:34,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:34,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:34,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:34,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:34,922 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:34,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:34,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:34,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:34,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:34,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:34,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:34,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:34,927 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:34,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:34,927 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_0b6345ea-05ce-460f-82ef-0e5c739bd756/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c8140e2e8a1fdfd22598944f5691727061dbf1fd5151d567023569c44339f8c [2024-11-08 22:05:35,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:35,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:35,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:35,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:35,276 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:35,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-fpi/ms3f.c Unable to find full path for "g++" [2024-11-08 22:05:37,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:37,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:37,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/sv-benchmarks/c/array-fpi/ms3f.c [2024-11-08 22:05:37,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/data/e4a9661db/0842fcb67b1b41f09b1d1e655a022496/FLAGd0ec89e3c [2024-11-08 22:05:37,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/data/e4a9661db/0842fcb67b1b41f09b1d1e655a022496 [2024-11-08 22:05:37,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:37,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:37,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:37,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:37,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:37,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d47792b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37, skipping insertion in model container [2024-11-08 22:05:37,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:38,037 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_0b6345ea-05ce-460f-82ef-0e5c739bd756/sv-benchmarks/c/array-fpi/ms3f.c[587,600] [2024-11-08 22:05:38,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:38,066 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:38,077 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_0b6345ea-05ce-460f-82ef-0e5c739bd756/sv-benchmarks/c/array-fpi/ms3f.c[587,600] [2024-11-08 22:05:38,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:38,103 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:38,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38 WrapperNode [2024-11-08 22:05:38,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:38,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:38,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:38,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:38,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,141 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-08 22:05:38,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:38,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:38,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:38,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:38,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:38,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:38,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:38,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:38,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:38,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:38,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:38,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:05:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:05:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:05:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:05:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:05:38,307 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:38,309 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:38,467 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:38,468 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:38,521 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:38,521 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:38,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:38 BoogieIcfgContainer [2024-11-08 22:05:38,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:38,523 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:38,523 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:38,540 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:38,540 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-08 22:05:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-08 22:05:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:05:38,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:38,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 22:05:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 22:05:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:05:39,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:39,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-08 22:05:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-08 22:05:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:05:39,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:05:39,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-08 22:05:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-08 22:05:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:05:39,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:39,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:39,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:05:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:39,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-08 22:05:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-08 22:05:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:05:39,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:39,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:39,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:39,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:40,003 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-08 22:05:40,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:40 ImpRootNode [2024-11-08 22:05:40,047 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:40,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:40,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:40,048 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:40,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:38" (3/4) ... [2024-11-08 22:05:40,050 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:05:40,091 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:05:40,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:40,092 INFO L158 Benchmark]: Toolchain (without parser) took 2287.61ms. Allocated memory is still 174.1MB. Free memory was 139.1MB in the beginning and 128.0MB in the end (delta: 11.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,092 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 174.1MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:40,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.85ms. Allocated memory is still 174.1MB. Free memory was 138.7MB in the beginning and 126.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.88ms. Allocated memory is still 174.1MB. Free memory was 126.0MB in the beginning and 124.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,094 INFO L158 Benchmark]: Boogie Preprocessor took 30.87ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 123.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:40,094 INFO L158 Benchmark]: RCFGBuilder took 348.79ms. Allocated memory is still 174.1MB. Free memory was 123.1MB in the beginning and 108.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,095 INFO L158 Benchmark]: CodeCheck took 1523.84ms. Allocated memory is still 174.1MB. Free memory was 108.5MB in the beginning and 130.0MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:40,095 INFO L158 Benchmark]: Witness Printer took 43.79ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 128.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,098 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: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 44 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 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] i=0 VAL [N=1, a={-1:0}, i=0, sum={24230:0}] [L31] COND FALSE !(i 2*N) [L15] COND TRUE !(cond) VAL [N=1] [L15] reach_error() VAL [N=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 174.1MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.85ms. Allocated memory is still 174.1MB. Free memory was 138.7MB in the beginning and 126.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.88ms. Allocated memory is still 174.1MB. Free memory was 126.0MB in the beginning and 124.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.87ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 123.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.79ms. Allocated memory is still 174.1MB. Free memory was 123.1MB in the beginning and 108.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1523.84ms. Allocated memory is still 174.1MB. Free memory was 108.5MB in the beginning and 130.0MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.79ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 128.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:05:40,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6345ea-05ce-460f-82ef-0e5c739bd756/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE