./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi --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 d0e87381a99f974959089d289c3e17de6c0fbe6e5c639d91434f52ec27b6b2ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:38,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:38,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:11:38,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:38,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:38,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:38,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:38,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:38,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:38,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:38,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:38,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:38,314 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:38,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:38,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:38,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:38,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:38,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:38,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:38,318 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:38,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:38,319 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:38,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:38,322 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:38,323 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:38,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:38,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:38,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:38,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:38,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:38,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:38,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:38,327 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:38,327 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_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0e87381a99f974959089d289c3e17de6c0fbe6e5c639d91434f52ec27b6b2ed [2023-11-24 22:11:38,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:38,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:38,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:38,664 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:38,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:38,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-fpi/indp4f.c [2023-11-24 22:11:41,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:42,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:42,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/sv-benchmarks/c/array-fpi/indp4f.c [2023-11-24 22:11:42,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/data/2475a16ca/0b77be99d387487bb0919faffadc81d2/FLAG85cdca3d6 [2023-11-24 22:11:42,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/data/2475a16ca/0b77be99d387487bb0919faffadc81d2 [2023-11-24 22:11:42,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:42,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:42,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:42,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:42,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:42,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6714e83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42, skipping insertion in model container [2023-11-24 22:11:42,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:42,420 WARN L240 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_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/sv-benchmarks/c/array-fpi/indp4f.c[589,602] [2023-11-24 22:11:42,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:42,447 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:42,458 WARN L240 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_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/sv-benchmarks/c/array-fpi/indp4f.c[589,602] [2023-11-24 22:11:42,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:42,480 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:42,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42 WrapperNode [2023-11-24 22:11:42,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:42,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:42,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:42,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:42,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,519 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-24 22:11:42,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:42,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:42,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:42,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:42,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:42,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:42,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:42,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:42,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:42,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:42,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:42,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:11:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:11:42,745 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:42,748 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:42,999 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:43,092 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:43,092 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:11:43,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:43 BoogieIcfgContainer [2023-11-24 22:11:43,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:43,095 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:43,095 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:43,107 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:43,107 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:43" (1/1) ... [2023-11-24 22:11:43,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-24 22:11:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-24 22:11:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:11:43,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:43,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:43,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 22:11:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 22:11:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:11:43,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:43,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:43,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:11:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-24 22:11:43,743 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-24 22:11:43,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:11:43,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:43,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:43,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:43,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:11:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-24 22:11:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-24 22:11:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:11:43,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:44,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:44,045 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-24 22:11:44,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:44 ImpRootNode [2023-11-24 22:11:44,075 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:44,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:44,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:44,076 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:44,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:43" (3/4) ... [2023-11-24 22:11:44,077 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:11:44,129 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5ecc0-f1dd-4bba-9e73-2b093a6ceb77/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:11:44,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:44,130 INFO L158 Benchmark]: Toolchain (without parser) took 1892.27ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 65.9MB in the beginning and 71.8MB in the end (delta: -5.9MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:44,131 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:44,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.83ms. Allocated memory is still 107.0MB. Free memory was 65.6MB in the beginning and 54.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:44,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.06ms. Allocated memory is still 107.0MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:44,132 INFO L158 Benchmark]: Boogie Preprocessor took 41.22ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 53.2MB in the beginning and 125.3MB in the end (delta: -72.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:44,133 INFO L158 Benchmark]: RCFGBuilder took 532.16ms. Allocated memory is still 153.1MB. Free memory was 125.3MB in the beginning and 111.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:11:44,134 INFO L158 Benchmark]: CodeCheck took 979.47ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 73.8MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:44,134 INFO L158 Benchmark]: Witness Printer took 53.89ms. Allocated memory is still 153.1MB. Free memory was 73.8MB in the beginning and 71.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:44,141 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 15 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 220 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, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 9 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 - 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