./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s2liff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s2liff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b --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 dcc2cd0a2e1137d93459141da7aafc5afc93e8d84f2c47a251fb737e8f8d5a0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:11:50,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:11:50,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:11:50,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:11:50,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:11:50,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:11:50,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:11:50,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:11:50,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:11:50,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:11:50,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:11:50,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:11:50,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:11:50,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:11:50,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:11:50,562 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:11:50,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:11:50,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:50,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:11:50,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:11:50,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:11:50,563 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:11:50,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:11:50,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b 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 -> dcc2cd0a2e1137d93459141da7aafc5afc93e8d84f2c47a251fb737e8f8d5a0d [2024-12-06 00:11:50,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:11:50,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:11:50,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:11:50,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:11:50,802 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:11:50,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/s2liff.c [2024-12-06 00:11:53,538 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/data/77b964ad0/c30e6f7568644ddf8ce4eda0c44b6bc4/FLAGa05c730dc [2024-12-06 00:11:53,745 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:11:53,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/sv-benchmarks/c/array-fpi/s2liff.c [2024-12-06 00:11:53,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/data/77b964ad0/c30e6f7568644ddf8ce4eda0c44b6bc4/FLAGa05c730dc [2024-12-06 00:11:53,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/data/77b964ad0/c30e6f7568644ddf8ce4eda0c44b6bc4 [2024-12-06 00:11:53,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:11:53,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:11:53,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:53,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:11:53,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:11:53,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:53" (1/1) ... [2024-12-06 00:11:53,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c36376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:53, skipping insertion in model container [2024-12-06 00:11:53,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:53" (1/1) ... [2024-12-06 00:11:53,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:11:53,944 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_b5c53ccc-53c1-4595-96d2-499ce142f05a/sv-benchmarks/c/array-fpi/s2liff.c[589,602] [2024-12-06 00:11:53,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:11:53,977 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:11:53,987 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_b5c53ccc-53c1-4595-96d2-499ce142f05a/sv-benchmarks/c/array-fpi/s2liff.c[589,602] [2024-12-06 00:11:53,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:11:54,010 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:11:54,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54 WrapperNode [2024-12-06 00:11:54,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:54,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:11:54,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:11:54,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:11:54,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,043 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-12-06 00:11:54,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:11:54,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:11:54,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:11:54,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:11:54,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,062 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:11:54,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:11:54,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:11:54,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:11:54,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:54,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:11:54,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:11:54,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:11:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:11:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:11:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:11:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:11:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:11:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:11:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:11:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:11:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:11:54,213 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:11:54,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:11:54,349 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 00:11:54,349 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:11:54,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:11:54,393 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:11:54,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:54 BoogieIcfgContainer [2024-12-06 00:11:54,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:11:54,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:11:54,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:11:54,404 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:11:54,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:54" (1/1) ... [2024-12-06 00:11:54,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:11:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-06 00:11:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-06 00:11:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:11:54,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:54,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:11:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 00:11:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 00:11:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:11:54,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:54,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:11:54,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-06 00:11:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-06 00:11:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:11:54,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:54,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:54,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:11:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2024-12-06 00:11:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2024-12-06 00:11:55,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:11:55,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:55,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:11:55,048 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:11:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:11:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:11:55,128 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:11:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:11:55,154 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 00:11:55,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:11:55 ImpRootNode [2024-12-06 00:11:55,180 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:11:55,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:11:55,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:11:55,181 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:11:55,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:54" (3/4) ... [2024-12-06 00:11:55,182 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:11:55,216 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 14. [2024-12-06 00:11:55,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:11:55,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c53ccc-53c1-4595-96d2-499ce142f05a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:11:55,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:11:55,263 INFO L158 Benchmark]: Toolchain (without parser) took 1490.62ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 68.0MB in the end (delta: 25.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-12-06 00:11:55,263 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:11:55,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.87ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:11:55,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.04ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:11:55,264 INFO L158 Benchmark]: Boogie Preprocessor took 27.42ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 920.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:11:55,265 INFO L158 Benchmark]: RCFGBuilder took 320.68ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 64.9MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:11:55,265 INFO L158 Benchmark]: CodeCheck took 786.20ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 72.6MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:11:55,265 INFO L158 Benchmark]: Witness Printer took 82.18ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 68.0MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:11:55,267 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 12 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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, ConComCheckerStatistics: 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] = N [L32] i=0 VAL [N=1, a={-1:0}, i=0, sum={13856:0}] [L32] COND TRUE i