./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array19_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array19_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa6cff6feccdb2381551a0fc75acd9b1bca020b197764a63cc88475a7ca62ebf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:21:48,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:21:48,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:21:48,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:21:48,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:21:48,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:21:48,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:21:48,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:21:48,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:21:48,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:21:48,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:21:48,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:21:48,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:21:48,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:21:48,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:21:48,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:21:48,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:21:48,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:21:48,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:21:48,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:21:48,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:21:48,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:21:48,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:21:48,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:21:48,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:21:48,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:21:48,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:48,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:21:48,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:21:48,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:21:48,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:21:48,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:21:48,676 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_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa6cff6feccdb2381551a0fc75acd9b1bca020b197764a63cc88475a7ca62ebf [2024-11-13 21:21:49,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:21:49,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:21:49,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:21:49,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:21:49,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:21:49,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-15/array19_alloca.i Unable to find full path for "g++" [2024-11-13 21:21:51,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:21:51,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:21:51,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/sv-benchmarks/c/termination-15/array19_alloca.i [2024-11-13 21:21:51,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/data/2afaf3e5a/6a47e3beb75d42c8a88b09c2dc281d41/FLAGc3e05120c [2024-11-13 21:21:51,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/data/2afaf3e5a/6a47e3beb75d42c8a88b09c2dc281d41 [2024-11-13 21:21:51,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:21:51,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:21:51,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:51,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:21:51,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:21:51,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:51" (1/1) ... [2024-11-13 21:21:51,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781aaae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:51, skipping insertion in model container [2024-11-13 21:21:51,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:51" (1/1) ... [2024-11-13 21:21:51,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:21:51,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:51,958 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:21:52,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:52,046 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:21:52,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52 WrapperNode [2024-11-13 21:21:52,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:52,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:52,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:21:52,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:21:52,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,091 INFO L138 Inliner]: procedures = 151, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-11-13 21:21:52,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:52,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:21:52,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:21:52,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:21:52,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:21:52,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:21:52,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:21:52,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:21:52,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:52,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:21:52,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:21:52,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:21:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:21:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:21:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:21:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:21:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:21:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:21:52,296 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:21:52,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:21:52,485 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-13 21:21:52,485 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:21:52,525 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:21:52,526 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:21:52,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:52 BoogieIcfgContainer [2024-11-13 21:21:52,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:21:52,527 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:21:52,527 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:21:52,542 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:21:52,542 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:52" (1/1) ... [2024-11-13 21:21:52,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:21:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-13 21:21:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 21:21:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:21:52,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:52,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:21:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 21:21:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 21:21:53,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:21:53,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:53,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:21:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-13 21:21:53,153 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 21:21:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:21:53,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:53,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:21:53,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:53,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-13 21:21:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 21:21:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:21:53,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:21:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-13 21:21:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-13 21:21:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:21:53,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:53,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:21:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 21:21:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:21:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:21:54,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:54,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:21:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2024-11-13 21:21:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-11-13 21:21:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:21:55,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:55,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:55,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:55,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:55,454 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-11-13 21:21:55,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:21:55 ImpRootNode [2024-11-13 21:21:55,477 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:21:55,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:21:55,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:21:55,478 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:21:55,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:52" (3/4) ... [2024-11-13 21:21:55,480 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:21:55,513 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3980e-d975-4bb9-b88d-0ab3cfc3bf17/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:21:55,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:21:55,514 INFO L158 Benchmark]: Toolchain (without parser) took 3913.20ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 38.3MB in the end (delta: 53.0MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-11-13 21:21:55,515 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:55,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.37ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 72.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:55,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.71ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:55,516 INFO L158 Benchmark]: Boogie Preprocessor took 27.25ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:55,516 INFO L158 Benchmark]: RCFGBuilder took 406.15ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 58.6MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:55,516 INFO L158 Benchmark]: CodeCheck took 2950.32ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 40.9MB in the end (delta: 17.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-13 21:21:55,517 INFO L158 Benchmark]: Witness Printer took 35.58ms. Allocated memory is still 117.4MB. Free memory was 40.9MB in the beginning and 38.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:21:55,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 20 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 0/6 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: 375]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND TRUE length < 1 [L367] length = 1 [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=1] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=1] [L370] COND TRUE i