./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL --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 e65fcf75bc449caf1adc12b98cf1df32d7807702ccc9a83118e61ee3faf8aa64 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:41:14,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:41:14,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:41:14,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:41:14,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:41:14,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:41:14,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:41:14,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:41:14,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:41:14,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:41:14,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:41:14,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:41:14,537 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:41:14,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:41:14,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:41:14,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:41:14,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:41:14,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:41:14,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:41:14,542 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:41:14,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:41:14,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:41:14,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:41:14,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:41:14,546 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:41:14,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:41:14,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:14,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:41:14,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:41:14,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:41:14,549 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:41:14,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:41:14,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:41:14,551 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_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65fcf75bc449caf1adc12b98cf1df32d7807702ccc9a83118e61ee3faf8aa64 [2023-11-19 02:41:14,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:41:14,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:41:14,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:41:14,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:41:14,891 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:41:14,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-fpi/indp3f.c [2023-11-19 02:41:18,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:41:18,323 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:41:18,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/sv-benchmarks/c/array-fpi/indp3f.c [2023-11-19 02:41:18,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/data/beb835b5d/e00c0c8b2055461baca1c7304b5df323/FLAGd91d0cfc6 [2023-11-19 02:41:18,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/data/beb835b5d/e00c0c8b2055461baca1c7304b5df323 [2023-11-19 02:41:18,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:41:18,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:41:18,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:18,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:41:18,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:41:18,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e397c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18, skipping insertion in model container [2023-11-19 02:41:18,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,385 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:41:18,543 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_6894705b-5d3e-4db8-b02b-ef6f06be5848/sv-benchmarks/c/array-fpi/indp3f.c[589,602] [2023-11-19 02:41:18,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:18,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:41:18,589 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_6894705b-5d3e-4db8-b02b-ef6f06be5848/sv-benchmarks/c/array-fpi/indp3f.c[589,602] [2023-11-19 02:41:18,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:18,615 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:41:18,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18 WrapperNode [2023-11-19 02:41:18,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:18,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:18,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:41:18,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:41:18,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,659 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2023-11-19 02:41:18,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:18,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:41:18,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:41:18,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:41:18,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:41:18,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:41:18,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:41:18,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:41:18,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:18" (1/1) ... [2023-11-19 02:41:18,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:18,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:41:18,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:41:18,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:41:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:41:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:41:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:41:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:41:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:41:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:41:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:41:18,908 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:41:18,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:41:19,094 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:41:19,155 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:41:19,156 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:41:19,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:19 BoogieIcfgContainer [2023-11-19 02:41:19,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:41:19,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:41:19,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:41:19,173 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:41:19,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:19" (1/1) ... [2023-11-19 02:41:19,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:41:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-19 02:41:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-19 02:41:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:41:19,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:19,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:19,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:19,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-19 02:41:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-19 02:41:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:41:19,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:19,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:19,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:41:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-19 02:41:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-19 02:41:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:41:19,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:19,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:19,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:19,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-19 02:41:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-19 02:41:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:41:20,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:20,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:20,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:41:20,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-11-19 02:41:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-11-19 02:41:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:41:20,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:20,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:41:20,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:41:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:41:20,323 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-11-19 02:41:20,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:41:20 ImpRootNode [2023-11-19 02:41:20,370 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:41:20,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:41:20,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:41:20,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:41:20,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:19" (3/4) ... [2023-11-19 02:41:20,373 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:41:20,427 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6894705b-5d3e-4db8-b02b-ef6f06be5848/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:41:20,427 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:41:20,428 INFO L158 Benchmark]: Toolchain (without parser) took 2076.71ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 130.4MB in the beginning and 172.5MB in the end (delta: -42.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-19 02:41:20,429 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 163.6MB. Free memory was 110.7MB in the beginning and 110.6MB in the end (delta: 60.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:41:20,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.15ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 119.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:41:20,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.06ms. Allocated memory is still 163.6MB. Free memory was 119.2MB in the beginning and 117.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:41:20,432 INFO L158 Benchmark]: Boogie Preprocessor took 55.30ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 116.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:41:20,433 INFO L158 Benchmark]: RCFGBuilder took 444.44ms. Allocated memory is still 163.6MB. Free memory was 116.5MB in the beginning and 101.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:41:20,434 INFO L158 Benchmark]: CodeCheck took 1208.59ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 101.2MB in the beginning and 174.6MB in the end (delta: -73.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:41:20,434 INFO L158 Benchmark]: Witness Printer took 56.17ms. Allocated memory is still 213.9MB. Free memory was 174.6MB in the beginning and 172.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:41:20,440 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 20 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 357 SyntacticMatches, 9 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 286 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 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={4:0}, i=0] [L30] COND TRUE i