./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs2f.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_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b --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 f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:08:00,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:08:00,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:08:00,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:08:00,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:08:00,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:08:00,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:08:00,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:08:00,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:08:00,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:08:00,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:08:00,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:08:00,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:08:00,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:08:00,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:08:00,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:08:00,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:08:00,194 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_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b 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 -> f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab [2024-12-05 22:08:00,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:08:00,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:08:00,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:08:00,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:08:00,428 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:08:00,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/brs2f.c [2024-12-05 22:08:03,106 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/data/b9c76b932/9a93c75d960945ea94680d0aa5578c0f/FLAG068f8392f [2024-12-05 22:08:03,282 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:08:03,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/sv-benchmarks/c/array-fpi/brs2f.c [2024-12-05 22:08:03,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/data/b9c76b932/9a93c75d960945ea94680d0aa5578c0f/FLAG068f8392f [2024-12-05 22:08:03,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/data/b9c76b932/9a93c75d960945ea94680d0aa5578c0f [2024-12-05 22:08:03,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:08:03,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:08:03,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:08:03,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:08:03,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:08:03,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39dbbdb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03, skipping insertion in model container [2024-12-05 22:08:03,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:08:03,790 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_1527400d-2302-4c8e-9b80-48feb4654ab7/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2024-12-05 22:08:03,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:08:03,814 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:08:03,825 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_1527400d-2302-4c8e-9b80-48feb4654ab7/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2024-12-05 22:08:03,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:08:03,843 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:08:03,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03 WrapperNode [2024-12-05 22:08:03,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:08:03,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:08:03,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:08:03,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:08:03,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,865 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-12-05 22:08:03,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:08:03,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:08:03,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:08:03,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:08:03,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:08:03,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:08:03,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:08:03,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:08:03,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:08:03" (1/1) ... [2024-12-05 22:08:03,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:08:03,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:08:03,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:08:03,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:08:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:08:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:08:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:08:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:08:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:08:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:08:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:08:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:08:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:08:03,999 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:08:04,000 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:08:04,108 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 22:08:04,108 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:08:04,155 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:08:04,156 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:08:04,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:08:04 BoogieIcfgContainer [2024-12-05 22:08:04,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:08:04,157 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:08:04,157 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:08:04,164 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:08:04,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:08:04" (1/1) ... [2024-12-05 22:08:04,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:08:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-05 22:08:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-05 22:08:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:08:04,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:04,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:08:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-12-05 22:08:04,457 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-12-05 22:08:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:08:04,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:04,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:08:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 22:08:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 22:08:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:08:04,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:04,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:08:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2024-12-05 22:08:04,986 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2024-12-05 22:08:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:08:04,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:04,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:08:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2024-12-05 22:08:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2024-12-05 22:08:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:08:05,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:05,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:08:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 20 states and 35 transitions. [2024-12-05 22:08:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 35 transitions. [2024-12-05 22:08:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:08:07,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:07,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:08:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:08:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:08:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 41 transitions. [2024-12-05 22:08:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 41 transitions. [2024-12-05 22:08:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:08:07,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:08:07,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:08:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:08:07,848 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:08:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:08:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:08:07,956 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:08:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:08:07,994 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-12-05 22:08:08,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:08:08 ImpRootNode [2024-12-05 22:08:08,019 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:08:08,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:08:08,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:08:08,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:08:08,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:08:04" (3/4) ... [2024-12-05 22:08:08,020 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:08:08,055 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 21. [2024-12-05 22:08:08,099 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:08:08,099 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1527400d-2302-4c8e-9b80-48feb4654ab7/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:08:08,099 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:08:08,100 INFO L158 Benchmark]: Toolchain (without parser) took 4438.84ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 92.8MB in the beginning and 108.6MB in the end (delta: -15.8MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-12-05 22:08:08,101 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:08:08,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.55ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:08:08,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.32ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:08:08,102 INFO L158 Benchmark]: Boogie Preprocessor took 18.07ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:08:08,102 INFO L158 Benchmark]: RCFGBuilder took 272.11ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 64.6MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:08:08,102 INFO L158 Benchmark]: CodeCheck took 3861.76ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 64.5MB in the beginning and 113.3MB in the end (delta: -48.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-12-05 22:08:08,103 INFO L158 Benchmark]: Witness Printer took 80.60ms. Allocated memory is still 192.9MB. Free memory was 113.3MB in the beginning and 108.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:08:08,104 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 159 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 376 IncrementalHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 159 mSolverCounterUnsat, 24 mSDtfsCounter, 376 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 416 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2856 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 8/22 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 sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=3, a={-1:0}, i=0, sum={6324:0}] [L31] COND TRUE i