./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array05_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/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_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array05_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 56a165d97308b6a8d546544238ca4475941b4df8b50fd85223f9c1004e26db93 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:45:45,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:45:45,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:45:45,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:45:45,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:45:45,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:45:45,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:45:45,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:45:45,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:45:45,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:45:45,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:45:45,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:45:45,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:45:45,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:45:45,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:45:45,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:45:45,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:45:45,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:45:45,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:45:45,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:45:45,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:45:45,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:45:45,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:45:45,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:45:45,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:45:45,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:45:45,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:45:45,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:45:45,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:45:45,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:45:45,929 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:45:45,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:45:45,930 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_a56181b1-89cf-4b92-9b8b-1c8578620381/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56a165d97308b6a8d546544238ca4475941b4df8b50fd85223f9c1004e26db93 [2024-11-08 19:45:46,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:45:46,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:45:46,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:45:46,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:45:46,262 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:45:46,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-15/array05_alloca.i Unable to find full path for "g++" [2024-11-08 19:45:48,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:45:48,537 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:45:48,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/sv-benchmarks/c/termination-15/array05_alloca.i [2024-11-08 19:45:48,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/data/ecdb16d1f/2f899ef2958541b18a04b80f24553e91/FLAG3193aa61f [2024-11-08 19:45:48,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/data/ecdb16d1f/2f899ef2958541b18a04b80f24553e91 [2024-11-08 19:45:48,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:45:48,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:45:48,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:45:48,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:45:48,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:45:48,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:48" (1/1) ... [2024-11-08 19:45:48,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab2523a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:48, skipping insertion in model container [2024-11-08 19:45:48,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:48" (1/1) ... [2024-11-08 19:45:48,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:45:49,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:45:49,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:45:49,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:45:49,371 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:45:49,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49 WrapperNode [2024-11-08 19:45:49,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:45:49,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:45:49,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:45:49,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:45:49,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,417 INFO L138 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-08 19:45:49,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:45:49,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:45:49,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:45:49,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:45:49,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:45:49,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:45:49,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:45:49,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:45:49,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:45:49,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:45:49,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:45:49,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:45:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:45:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:45:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:45:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:45:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:45:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:45:49,653 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:45:49,656 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:45:49,873 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 19:45:49,874 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:45:49,934 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:45:49,938 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:45:49,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:49 BoogieIcfgContainer [2024-11-08 19:45:49,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:45:49,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:45:49,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:45:49,953 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:45:49,953 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:49" (1/1) ... [2024-11-08 19:45:49,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-08 19:45:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-08 19:45:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:45:50,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:50,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:50,265 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 19:45:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-08 19:45:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-08 19:45:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:45:50,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:50,476 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 19:45:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-08 19:45:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-08 19:45:50,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:45:50,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:50,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:50,686 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 19:45:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-08 19:45:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-08 19:45:50,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:45:50,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:50,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:45:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-08 19:45:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-08 19:45:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:45:51,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:51,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:45:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2024-11-08 19:45:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2024-11-08 19:45:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:45:51,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:51,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:45:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2024-11-08 19:45:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2024-11-08 19:45:53,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:45:53,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:53,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:45:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2024-11-08 19:45:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2024-11-08 19:45:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:45:53,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:53,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:45:53,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:45:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:45:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:45:53,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:45:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:45:53,680 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2024-11-08 19:45:53,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:45:53 ImpRootNode [2024-11-08 19:45:53,705 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:45:53,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:45:53,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:45:53,706 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:45:53,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:49" (3/4) ... [2024-11-08 19:45:53,708 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:45:53,746 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56181b1-89cf-4b92-9b8b-1c8578620381/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:45:53,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:45:53,747 INFO L158 Benchmark]: Toolchain (without parser) took 4908.98ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 76.3MB in the beginning and 52.2MB in the end (delta: 24.1MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-08 19:45:53,748 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:45:53,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.35ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 76.3MB in the beginning and 113.9MB in the end (delta: -37.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-08 19:45:53,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.01ms. Allocated memory is still 144.7MB. Free memory was 113.9MB in the beginning and 115.7MB in the end (delta: -1.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-08 19:45:53,749 INFO L158 Benchmark]: Boogie Preprocessor took 29.17ms. Allocated memory is still 144.7MB. Free memory was 115.7MB in the beginning and 114.7MB in the end (delta: 974.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:45:53,750 INFO L158 Benchmark]: RCFGBuilder took 481.67ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 100.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:45:53,750 INFO L158 Benchmark]: CodeCheck took 3765.36ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 54.3MB in the end (delta: 46.5MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-08 19:45:53,751 INFO L158 Benchmark]: Witness Printer took 40.57ms. Allocated memory is still 144.7MB. Free memory was 54.3MB in the beginning and 52.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:45:53,753 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 528 IncrementalHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 44 mSDtfsCounter, 528 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 2/10 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: 375]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND TRUE length < 1 [L367] length = 1 [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=1] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=1] [L370] COND FALSE !(i