./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp1f.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_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3 --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 130cfc4671676ffb10ff6ff5bac1770d2e3c27a88a61abbafe1bb2bbab77647f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:36:34,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:36:34,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:36:34,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:36:34,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:36:34,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:36:34,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:36:34,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:36:34,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:36:34,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:36:34,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:36:34,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:36:34,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:36:34,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:36:34,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:36:34,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:36:34,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:36:34,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:36:34,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:36:34,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:36:34,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:36:34,440 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:36:34,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:36:34,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:36:34,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:36:34,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:36:34,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:36:34,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:36:34,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:36:34,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:36:34,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:36:34,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:36:34,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:36:34,441 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_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3 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 -> 130cfc4671676ffb10ff6ff5bac1770d2e3c27a88a61abbafe1bb2bbab77647f [2024-11-25 03:36:34,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:36:34,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:36:34,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:36:34,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:36:34,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:36:34,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/array-fpi/indp1f.c [2024-11-25 03:36:37,772 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/data/c90bb141e/237d46e1cd5d452f8f9fe8d6747b2d64/FLAG9eb15be21 [2024-11-25 03:36:38,073 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:36:38,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/sv-benchmarks/c/array-fpi/indp1f.c [2024-11-25 03:36:38,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/data/c90bb141e/237d46e1cd5d452f8f9fe8d6747b2d64/FLAG9eb15be21 [2024-11-25 03:36:38,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/data/c90bb141e/237d46e1cd5d452f8f9fe8d6747b2d64 [2024-11-25 03:36:38,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:36:38,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:36:38,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:36:38,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:36:38,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:36:38,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458a9d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38, skipping insertion in model container [2024-11-25 03:36:38,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:36:38,365 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_0613eb67-a8cb-4d25-9801-62df7dc5050b/sv-benchmarks/c/array-fpi/indp1f.c[589,602] [2024-11-25 03:36:38,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:36:38,407 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:36:38,419 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_0613eb67-a8cb-4d25-9801-62df7dc5050b/sv-benchmarks/c/array-fpi/indp1f.c[589,602] [2024-11-25 03:36:38,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:36:38,453 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:36:38,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38 WrapperNode [2024-11-25 03:36:38,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:36:38,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:36:38,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:36:38,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:36:38,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,495 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-25 03:36:38,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:36:38,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:36:38,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:36:38,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:36:38,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:36:38,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:36:38,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:36:38,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:36:38,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:36:38,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:36:38,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:36:38,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:36:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:36:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:36:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:36:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:36:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:36:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:36:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:36:38,700 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:36:38,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:36:38,864 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 03:36:38,864 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:36:38,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:36:38,923 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:36:38,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:38 BoogieIcfgContainer [2024-11-25 03:36:38,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:36:38,925 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:36:38,925 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:36:38,936 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:36:38,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:38" (1/1) ... [2024-11-25 03:36:38,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:36:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-25 03:36:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-25 03:36:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:36:39,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:39,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:36:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:36:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:39,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-25 03:36:39,498 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-25 03:36:39,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:36:39,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:39,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:36:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:36:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:39,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2024-11-25 03:36:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2024-11-25 03:36:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:36:39,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:39,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:36:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:36:40,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2024-11-25 03:36:40,034 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2024-11-25 03:36:40,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:36:40,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:40,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:36:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:36:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:40,161 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:36:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:36:40,220 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 03:36:40,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:36:40 ImpRootNode [2024-11-25 03:36:40,259 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:36:40,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:36:40,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:36:40,261 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:36:40,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:36:38" (3/4) ... [2024-11-25 03:36:40,263 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:36:40,338 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 14. [2024-11-25 03:36:40,405 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:36:40,406 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0613eb67-a8cb-4d25-9801-62df7dc5050b/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:36:40,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:36:40,408 INFO L158 Benchmark]: Toolchain (without parser) took 2272.80ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 99.9MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-25 03:36:40,408 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:40,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.33ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:36:40,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.85ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:40,410 INFO L158 Benchmark]: Boogie Preprocessor took 42.63ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.4MB in the end (delta: 986.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:40,410 INFO L158 Benchmark]: RCFGBuilder took 384.76ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 91.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:36:40,411 INFO L158 Benchmark]: CodeCheck took 1334.71ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 104.1MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:36:40,411 INFO L158 Benchmark]: Witness Printer took 145.98ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 99.9MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:36:40,415 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 15 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 207 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, 0.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 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 *a = malloc(sizeof(long long)*N); [L30] i=0 VAL [N=1, a={-1:0}, i=0] [L30] COND TRUE i