./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array10_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array10_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9 --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 ee3d17ae6d0b40e558f09e5ca9e74abdfbd39515e0905530f1cfe0f2f95236b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:43:30,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:43:30,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:43:30,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:43:30,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:43:30,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:43:30,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:43:30,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:43:30,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:43:30,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:43:30,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:43:30,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:43:30,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:43:30,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:43:30,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:43:30,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:43:30,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:43:30,812 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:43:30,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:43:30,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:43:30,814 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:43:30,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:43:30,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:43:30,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:43:30,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:43:30,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:30,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:43:30,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:43:30,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:43:30,818 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:43:30,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:43:30,819 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:43:30,819 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_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d17ae6d0b40e558f09e5ca9e74abdfbd39515e0905530f1cfe0f2f95236b7 [2023-12-03 03:43:31,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:43:31,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:43:31,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:43:31,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:43:31,057 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:43:31,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-15/array10_alloca.i [2023-12-03 03:43:33,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:43:34,062 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:43:34,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/sv-benchmarks/c/termination-15/array10_alloca.i [2023-12-03 03:43:34,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/data/fc2585619/cbc5b14cd8184cabbd65fb7d9c236a36/FLAGf0322b6ba [2023-12-03 03:43:34,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/data/fc2585619/cbc5b14cd8184cabbd65fb7d9c236a36 [2023-12-03 03:43:34,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:43:34,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:43:34,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:43:34,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:43:34,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:43:34,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c6ef60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34, skipping insertion in model container [2023-12-03 03:43:34,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:43:34,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:34,378 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:43:34,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:34,440 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:43:34,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34 WrapperNode [2023-12-03 03:43:34,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:43:34,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:43:34,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:43:34,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:43:34,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,477 INFO L138 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-12-03 03:43:34,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:43:34,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:43:34,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:43:34,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:43:34,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:43:34,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:43:34,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:43:34,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:43:34,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:34,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:43:34,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:43:34,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:43:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:43:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:43:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:43:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:43:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:43:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:43:34,648 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:43:34,651 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:43:34,774 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:43:34,812 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:43:34,812 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:43:34,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:34 BoogieIcfgContainer [2023-12-03 03:43:34,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:43:34,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:43:34,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:43:34,823 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:43:34,823 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:34" (1/1) ... [2023-12-03 03:43:34,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:43:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:34,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-12-03 03:43:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-03 03:43:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:43:34,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:34,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-03 03:43:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-03 03:43:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:43:35,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-12-03 03:43:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-12-03 03:43:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:43:35,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:35,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-12-03 03:43:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-12-03 03:43:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:43:35,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-12-03 03:43:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-12-03 03:43:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:43:35,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:35,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-03 03:43:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-03 03:43:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:43:35,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:35,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:43:35,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:43:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:43:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:43:35,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:43:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:43:35,986 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2023-12-03 03:43:36,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post210 could not be translated [2023-12-03 03:43:36,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated [2023-12-03 03:43:36,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:43:36 ImpRootNode [2023-12-03 03:43:36,017 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:43:36,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:43:36,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:43:36,018 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:43:36,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:34" (3/4) ... [2023-12-03 03:43:36,019 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 03:43:36,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post210 could not be translated [2023-12-03 03:43:36,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-12-03 03:43:36,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated [2023-12-03 03:43:36,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8adc24-a79a-4fc3-ac84-c5484d340fb5/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:43:36,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:43:36,057 INFO L158 Benchmark]: Toolchain (without parser) took 1969.04ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 104.9MB in the beginning and 117.7MB in the end (delta: -12.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-12-03 03:43:36,057 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:43:36,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.68ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 87.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:43:36,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.68ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:43:36,058 INFO L158 Benchmark]: Boogie Preprocessor took 22.86ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 84.3MB in the end (delta: 905.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:43:36,059 INFO L158 Benchmark]: RCFGBuilder took 311.28ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 71.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:43:36,060 INFO L158 Benchmark]: CodeCheck took 1202.51ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 71.8MB in the beginning and 120.9MB in the end (delta: -49.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:43:36,060 INFO L158 Benchmark]: Witness Printer took 38.58ms. Allocated memory is still 207.6MB. Free memory was 120.9MB in the beginning and 117.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:43:36,063 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, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 16 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/5 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 TRUE i