./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/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_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/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_66c4f401-de18-44a4-9881-963d5d2543d5/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 f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:44:12,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:44:12,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:44:12,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:44:12,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:44:12,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:44:12,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:44:12,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:44:12,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:44:12,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:44:12,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:44:12,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:44:12,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:44:12,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:44:12,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:44:12,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:44:12,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:44:12,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:44:12,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:44:12,566 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:44:12,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:44:12,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:44:12,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:44:12,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:44:12,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:44:12,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:44:12,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:44:12,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:44:12,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:44:12,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:44:12,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:44:12,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:44:12,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:44:12,573 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_66c4f401-de18-44a4-9881-963d5d2543d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab [2024-11-08 19:44:12,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:44:12,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:44:12,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:44:12,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:44:12,906 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:44:12,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-fpi/brs2f.c Unable to find full path for "g++" [2024-11-08 19:44:14,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:44:15,079 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:44:15,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/sv-benchmarks/c/array-fpi/brs2f.c [2024-11-08 19:44:15,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/data/b0462a34f/09db320a47624eaf910bb9b4b7996443/FLAGfd180e373 [2024-11-08 19:44:15,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/data/b0462a34f/09db320a47624eaf910bb9b4b7996443 [2024-11-08 19:44:15,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:44:15,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:44:15,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:44:15,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:44:15,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:44:15,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b801fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15, skipping insertion in model container [2024-11-08 19:44:15,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:44:15,354 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_66c4f401-de18-44a4-9881-963d5d2543d5/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2024-11-08 19:44:15,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:44:15,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:44:15,415 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_66c4f401-de18-44a4-9881-963d5d2543d5/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2024-11-08 19:44:15,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:44:15,450 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:44:15,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15 WrapperNode [2024-11-08 19:44:15,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:44:15,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:44:15,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:44:15,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:44:15,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,486 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-08 19:44:15,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:44:15,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:44:15,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:44:15,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:44:15,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:44:15,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:44:15,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:44:15,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:44:15,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:44:15,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:44:15,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:44:15,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:44:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:44:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:44:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:44:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:44:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:44:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:44:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:44:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:44:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:44:15,675 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:44:15,678 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:44:15,850 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 19:44:15,851 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:44:15,934 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:44:15,934 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:44:15,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:15 BoogieIcfgContainer [2024-11-08 19:44:15,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:44:15,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:44:15,936 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:44:15,946 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:44:15,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:44:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-08 19:44:16,009 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-08 19:44:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:44:16,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:16,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:16,342 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 19:44:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 19:44:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 19:44:16,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:44:16,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:16,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:16,457 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 19:44:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-08 19:44:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-08 19:44:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:44:16,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:16,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:16,642 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 19:44:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-08 19:44:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-08 19:44:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:44:16,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:16,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:16,928 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 19:44:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:16,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-08 19:44:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-08 19:44:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:44:16,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:16,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:44:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-08 19:44:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-08 19:44:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:44:17,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:17,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:44:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-08 19:44:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-08 19:44:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:44:18,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:18,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:44:21,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2024-11-08 19:44:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2024-11-08 19:44:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:44:21,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:21,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:44:24,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2024-11-08 19:44:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2024-11-08 19:44:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:44:24,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:24,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:44:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2024-11-08 19:44:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2024-11-08 19:44:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:44:26,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:26,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:44:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:26,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:44:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:26,894 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-08 19:44:26,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:44:26 ImpRootNode [2024-11-08 19:44:26,946 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:44:26,947 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:44:26,947 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:44:26,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:44:26,948 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:15" (3/4) ... [2024-11-08 19:44:26,949 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:44:27,022 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c4f401-de18-44a4-9881-963d5d2543d5/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:44:27,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:44:27,027 INFO L158 Benchmark]: Toolchain (without parser) took 11918.65ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 95.9MB in the beginning and 131.9MB in the end (delta: -36.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-11-08 19:44:27,027 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 48.3MB in the beginning and 48.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:27,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.65ms. Allocated memory is still 132.1MB. Free memory was 95.5MB in the beginning and 82.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:44:27,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.53ms. Allocated memory is still 132.1MB. Free memory was 82.9MB in the beginning and 81.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:44:27,028 INFO L158 Benchmark]: Boogie Preprocessor took 26.90ms. Allocated memory is still 132.1MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:27,028 INFO L158 Benchmark]: RCFGBuilder took 420.65ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 101.6MB in the end (delta: -21.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-08 19:44:27,029 INFO L158 Benchmark]: CodeCheck took 11010.33ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 101.6MB in the beginning and 135.0MB in the end (delta: -33.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-08 19:44:27,029 INFO L158 Benchmark]: Witness Printer took 79.26ms. Allocated memory is still 192.9MB. Free memory was 135.0MB in the beginning and 131.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:44:27,031 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: 10.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 394 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 247 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 982 IncrementalHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 247 mSolverCounterUnsat, 104 mSDtfsCounter, 982 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1053 GetRequests, 885 SyntacticMatches, 18 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10763 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 13/43 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=3, a={-1:0}, i=0, sum={26190:0}] [L31] COND FALSE !(i