./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV --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 32bit --witnessprinter.graph.data.programhash bee045beef00a84520361ceade974b7fbb908b65f12806fb137f6143300856d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:34,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:34,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:54:34,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:54:34,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:54:34,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:34,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:34,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:34,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:34,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:34,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:34,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:34,422 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:54:34,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:54:34,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:54:34,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:34,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:34,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:34,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:34,427 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:54:34,427 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:54:34,428 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:54:34,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:34,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:34,431 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:34,431 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:34,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:34,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:34,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:34,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:34,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:34,436 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:54:34,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:54:34,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:34,437 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_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee045beef00a84520361ceade974b7fbb908b65f12806fb137f6143300856d1 [2023-11-11 23:54:34,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:34,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:34,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:34,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:34,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:34,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2023-11-11 23:54:38,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:38,445 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:38,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2023-11-11 23:54:38,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/data/145b8c5ea/b03648c60dd24be1862b3003db61fe40/FLAGb7d03d592 [2023-11-11 23:54:38,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/data/145b8c5ea/b03648c60dd24be1862b3003db61fe40 [2023-11-11 23:54:38,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:38,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:38,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:38,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:38,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:38,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4be821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38, skipping insertion in model container [2023-11-11 23:54:38,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:38,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:38,709 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:38,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:38,743 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:38,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38 WrapperNode [2023-11-11 23:54:38,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:38,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:38,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:38,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:38,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,788 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-11 23:54:38,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:38,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:38,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:38,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:38,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:38,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:38,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:38,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:38,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:38" (1/1) ... [2023-11-11 23:54:38,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:38,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:38,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:38,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:54:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:38,986 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:38,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:39,244 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:39,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:39,283 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:54:39,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:39 BoogieIcfgContainer [2023-11-11 23:54:39,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:54:39,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:54:39,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:54:39,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:54:39,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:39" (1/1) ... [2023-11-11 23:54:39,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:54:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2023-11-11 23:54:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-11-11 23:54:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:54:39,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:39,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-11 23:54:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-11 23:54:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:54:39,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:39,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:39,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2023-11-11 23:54:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-11 23:54:39,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:54:39,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:39,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:40,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2023-11-11 23:54:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-11 23:54:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:54:40,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:40,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2023-11-11 23:54:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-11 23:54:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:54:40,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:40,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions. [2023-11-11 23:54:40,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2023-11-11 23:54:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:54:40,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:40,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:40,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:54:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:40,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:54:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:40,282 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2023-11-11 23:54:40,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:54:40 ImpRootNode [2023-11-11 23:54:40,308 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:54:40,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:54:40,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:54:40,309 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:54:40,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:39" (3/4) ... [2023-11-11 23:54:40,311 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:54:40,348 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b79320-e057-43b8-a00f-259beefe1470/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:54:40,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:54:40,350 INFO L158 Benchmark]: Toolchain (without parser) took 1857.89ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 108.2MB in the beginning and 153.1MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:40,350 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 148.9MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:40,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.66ms. Allocated memory is still 148.9MB. Free memory was 108.2MB in the beginning and 97.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:54:40,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.82ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:40,352 INFO L158 Benchmark]: Boogie Preprocessor took 46.48ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 95.3MB in the end (delta: 922.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:40,353 INFO L158 Benchmark]: RCFGBuilder took 449.21ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 82.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:54:40,354 INFO L158 Benchmark]: CodeCheck took 1020.70ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 82.1MB in the beginning and 155.2MB in the end (delta: -73.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:40,354 INFO L158 Benchmark]: Witness Printer took 40.04ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 153.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:40,357 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, 37 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 16 mSDtfsCounter, 192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 194 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x