./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk --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 f3aef2cb0383bc51116609eb7d5762e5307f0f48dd90c41df34c9f2444e8da09 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:55:47,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:55:47,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:55:47,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:55:47,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:55:47,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:55:47,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:55:47,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:55:47,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:55:47,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:55:47,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:55:47,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:55:47,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:55:47,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:55:47,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:55:47,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:55:47,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:55:47,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:55:47,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:55:47,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:55:47,878 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:55:47,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:55:47,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:55:47,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:55:47,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:55:47,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:55:47,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:55:47,884 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:55:47,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:55:47,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:55:47,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:55:47,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:55:47,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:55:47,892 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:55:47,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:55:47,893 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_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3aef2cb0383bc51116609eb7d5762e5307f0f48dd90c41df34c9f2444e8da09 [2024-11-08 22:55:48,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:55:48,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:55:48,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:55:48,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:55:48,283 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:55:48,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-regression/test_while_int.i Unable to find full path for "g++" [2024-11-08 22:55:50,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:55:50,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:55:50,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/sv-benchmarks/c/ldv-regression/test_while_int.i [2024-11-08 22:55:50,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/data/25ad5b668/567e6db4c083478388db8ec191c03fa3/FLAG66456cbda [2024-11-08 22:55:50,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/data/25ad5b668/567e6db4c083478388db8ec191c03fa3 [2024-11-08 22:55:50,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:55:50,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:55:50,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:55:50,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:55:50,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:55:50,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0a97cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50, skipping insertion in model container [2024-11-08 22:55:50,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:55:50,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:55:50,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:55:50,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:55:50,891 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:55:50,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50 WrapperNode [2024-11-08 22:55:50,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:55:50,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:55:50,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:55:50,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:55:50,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,931 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 28 [2024-11-08 22:55:50,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:55:50,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:55:50,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:55:50,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:55:50,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:50,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:55:50,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:55:50,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:55:50,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:55:51,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:50" (1/1) ... [2024-11-08 22:55:51,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:55:51,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:55:51,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:55:51,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:55:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:55:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:55:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:55:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:55:51,220 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:55:51,223 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:55:51,370 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:55:51,371 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:55:51,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:55:51,420 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:55:51,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:51 BoogieIcfgContainer [2024-11-08 22:55:51,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:55:51,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:55:51,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:55:51,434 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:55:51,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:51" (1/1) ... [2024-11-08 22:55:51,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:55:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-08 22:55:51,523 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-08 22:55:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:55:51,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:51,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:55:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:55:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:55:51,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:51,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-08 22:55:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 22:55:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:55:52,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:52,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-08 22:55:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-08 22:55:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:55:52,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:52,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:55:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-08 22:55:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-08 22:55:52,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:55:52,536 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-08 22:55:52,546 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 22:55:52,682 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-08 22:55:52,683 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:55:52,683 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_#t~post4#1| 0) (<= 0 |ULTIMATE.start_main_#t~post4#1|)) (and (< 0 |ULTIMATE.start_main_#t~post4#1|) (<= |ULTIMATE.start_main_#t~post4#1| 4))) [2024-11-08 22:55:52,683 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_#t~post4#1| 0) (<= 0 |ULTIMATE.start_main_#t~post4#1|)) (and (< 0 |ULTIMATE.start_main_#t~post4#1|) (<= |ULTIMATE.start_main_#t~post4#1| 4))) [2024-11-08 22:55:52,684 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:55:52,684 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-08 22:55:52,685 INFO L77 FloydHoareUtils]: At program point L26-1(lines 26 33) the Hoare annotation is: (or (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 4)) (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|))) [2024-11-08 22:55:52,686 INFO L77 FloydHoareUtils]: At program point L26-3(lines 26 33) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~i~0#1|) [2024-11-08 22:55:52,686 INFO L77 FloydHoareUtils]: At program point L26-4(lines 26 33) the Hoare annotation is: true [2024-11-08 22:55:52,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:55:52 ImpRootNode [2024-11-08 22:55:52,705 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:55:52,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:55:52,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:55:52,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:55:52,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:51" (3/4) ... [2024-11-08 22:55:52,715 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:55:52,729 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 22:55:52,729 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 22:55:52,730 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:55:52,730 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:55:52,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:55:52,845 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:55:52,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:55:52,846 INFO L158 Benchmark]: Toolchain (without parser) took 2274.20ms. Allocated memory is still 165.7MB. Free memory was 102.5MB in the beginning and 76.2MB in the end (delta: 26.3MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-08 22:55:52,846 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 165.7MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:55:52,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.20ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 90.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:55:52,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 165.7MB. Free memory was 90.3MB in the beginning and 89.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:55:52,848 INFO L158 Benchmark]: Boogie Preprocessor took 66.12ms. Allocated memory is still 165.7MB. Free memory was 89.0MB in the beginning and 136.2MB in the end (delta: -47.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-08 22:55:52,849 INFO L158 Benchmark]: RCFGBuilder took 421.75ms. Allocated memory is still 165.7MB. Free memory was 136.2MB in the beginning and 125.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:55:52,849 INFO L158 Benchmark]: CodeCheck took 1284.22ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 80.4MB in the end (delta: 44.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 22:55:52,850 INFO L158 Benchmark]: Witness Printer took 138.07ms. Allocated memory is still 165.7MB. Free memory was 80.4MB in the beginning and 76.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:55:52,853 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 0 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 160 SyntacticMatches, 8 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 7/7 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 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (0 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 165.7MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.20ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 90.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 165.7MB. Free memory was 90.3MB in the beginning and 89.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.12ms. Allocated memory is still 165.7MB. Free memory was 89.0MB in the beginning and 136.2MB in the end (delta: -47.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * RCFGBuilder took 421.75ms. Allocated memory is still 165.7MB. Free memory was 136.2MB in the beginning and 125.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1284.22ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 80.4MB in the end (delta: 44.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 138.07ms. Allocated memory is still 165.7MB. Free memory was 80.4MB in the beginning and 76.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:55:52,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f96f3c-7fa3-4a08-80dd-354c2f04e1bc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE