./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum04-1.i --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_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/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_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/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_2442eda8-5362-44a0-827a-500db8c2ddd2/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 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:02:58,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:02:58,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:02:58,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:02:58,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:02:58,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:02:58,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:02:58,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:02:58,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:02:58,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:02:58,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:02:58,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:02:58,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:02:58,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:02:58,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:02:58,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:02:58,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:02:58,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:02:58,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:02:58,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:02:58,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:02:58,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:02:58,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:02:58,399 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:02:58,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:02:58,399 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_2442eda8-5362-44a0-827a-500db8c2ddd2/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 -> 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 [2024-12-06 01:02:58,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:02:58,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:02:58,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:02:58,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:02:58,679 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:02:58,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops/sum04-1.i [2024-12-06 01:03:01,496 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/data/251648b5a/aaa9432878e8498eba608bb491bd2029/FLAG98249f54d [2024-12-06 01:03:01,704 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:03:01,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/sv-benchmarks/c/loops/sum04-1.i [2024-12-06 01:03:01,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/data/251648b5a/aaa9432878e8498eba608bb491bd2029/FLAG98249f54d [2024-12-06 01:03:01,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/data/251648b5a/aaa9432878e8498eba608bb491bd2029 [2024-12-06 01:03:01,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:03:01,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:03:01,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:03:01,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:03:01,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:03:01,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ad369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01, skipping insertion in model container [2024-12-06 01:03:01,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:03:01,876 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_2442eda8-5362-44a0-827a-500db8c2ddd2/sv-benchmarks/c/loops/sum04-1.i[808,821] [2024-12-06 01:03:01,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:03:01,896 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:03:01,906 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_2442eda8-5362-44a0-827a-500db8c2ddd2/sv-benchmarks/c/loops/sum04-1.i[808,821] [2024-12-06 01:03:01,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:03:01,922 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:03:01,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01 WrapperNode [2024-12-06 01:03:01,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:03:01,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:03:01,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:03:01,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:03:01,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,950 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-12-06 01:03:01,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:03:01,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:03:01,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:03:01,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:03:01,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,961 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:03:01,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:03:01,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:03:01,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:03:01,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:01" (1/1) ... [2024-12-06 01:03:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:03:01,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:03:02,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:03:02,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:03:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:03:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:03:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:03:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:03:02,086 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:03:02,088 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:03:02,177 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:03:02,177 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:03:02,214 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:03:02,215 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:03:02,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:02 BoogieIcfgContainer [2024-12-06 01:03:02,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:03:02,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:03:02,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:03:02,225 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:03:02,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:02" (1/1) ... [2024-12-06 01:03:02,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:03:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:03:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:03:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:03:02,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:02,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:02,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:03:02,458 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:03:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:03:02,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:02,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 01:03:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 01:03:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:03:02,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-06 01:03:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-06 01:03:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:03:02,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:02,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-06 01:03:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-06 01:03:02,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:03:02,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:02,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:02,983 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 01:03:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 01:03:03,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:03:03,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:03,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 01:03:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 01:03:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:03:03,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:03,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:03,283 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 01:03:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 01:03:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:03:03,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:03,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-12-06 01:03:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-06 01:03:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:03:03,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:03,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:03:03,510 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:03:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:03:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:03:03,556 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:03:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:03:03,585 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2024-12-06 01:03:03,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:03:03 ImpRootNode [2024-12-06 01:03:03,611 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:03:03,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:03:03,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:03:03,612 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:03:03,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:02" (3/4) ... [2024-12-06 01:03:03,614 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:03:03,676 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 20. [2024-12-06 01:03:03,725 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:03:03,725 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:03:03,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:03:03,726 INFO L158 Benchmark]: Toolchain (without parser) took 1994.60ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 88.7MB in the end (delta: 4.2MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-12-06 01:03:03,726 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:03:03,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.45ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:03:03,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.51ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:03:03,727 INFO L158 Benchmark]: Boogie Preprocessor took 16.46ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.4MB in the end (delta: 507.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:03:03,727 INFO L158 Benchmark]: RCFGBuilder took 246.54ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 70.3MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:03:03,727 INFO L158 Benchmark]: CodeCheck took 1395.19ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 35.6MB in the end (delta: 34.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-12-06 01:03:03,727 INFO L158 Benchmark]: Witness Printer took 113.35ms. Allocated memory is still 117.4MB. Free memory was 35.6MB in the beginning and 88.7MB in the end (delta: -53.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-12-06 01:03:03,729 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 24 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 441 GetRequests, 390 SyntacticMatches, 21 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/84 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: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, sn=0; [L24] i=1 VAL [i=1, sn=0] [L24] COND TRUE i<=8 [L25] COND TRUE i<4 [L26] sn = sn + (2) [L24] i++ VAL [i=2, sn=2] [L24] COND TRUE i<=8 [L25] COND TRUE i<4 [L26] sn = sn + (2) [L24] i++ VAL [i=3, sn=4] [L24] COND TRUE i<=8 [L25] COND TRUE i<4 [L26] sn = sn + (2) [L24] i++ VAL [i=4, sn=6] [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ VAL [i=5, sn=6] [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ VAL [i=6, sn=6] [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ VAL [i=7, sn=6] [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ VAL [i=8, sn=6] [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ VAL [i=9, sn=6] [L24] COND FALSE !(i<=8) [L28] CALL __VERIFIER_assert(sn==8*(2) || sn == 0) [L15] COND TRUE !(cond) [L16] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.45ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.51ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.46ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.4MB in the end (delta: 507.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.54ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 70.3MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1395.19ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 35.6MB in the end (delta: 34.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 113.35ms. Allocated memory is still 117.4MB. Free memory was 35.6MB in the beginning and 88.7MB in the end (delta: -53.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:03:03,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2442eda8-5362-44a0-827a-500db8c2ddd2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE