./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound2.c --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_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/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_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/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_c4f98735-a2b8-482f-8c44-2ac7488811e9/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 b726a01b63df029fc0c850314d58756215e9005a3c5843275f7c9e8b82182102 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:43:28,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:43:28,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:43:28,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:43:28,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:43:28,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:43:28,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:43:28,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:43:28,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:43:28,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:43:28,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:43:28,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:43:28,142 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:43:28,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:43:28,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:43:28,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:43:28,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:43:28,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:43:28,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:43:28,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:43:28,151 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:43:28,151 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:43:28,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:43:28,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:43:28,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:43:28,154 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:43:28,155 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:43:28,155 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:43:28,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:43:28,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:28,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:43:28,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:43:28,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:43:28,168 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:43:28,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:43:28,169 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_c4f98735-a2b8-482f-8c44-2ac7488811e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b726a01b63df029fc0c850314d58756215e9005a3c5843275f7c9e8b82182102 [2024-11-08 22:43:28,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:43:28,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:43:28,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:43:28,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:43:28,529 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:43:28,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-08 22:43:30,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:43:31,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:43:31,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound2.c [2024-11-08 22:43:31,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/data/17d92f16e/dd8b74f360ac4b29b40ff4e26d7e5a05/FLAG7165f35c3 [2024-11-08 22:43:31,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/data/17d92f16e/dd8b74f360ac4b29b40ff4e26d7e5a05 [2024-11-08 22:43:31,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:43:31,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:43:31,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:31,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:43:31,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:43:31,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161d544d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31, skipping insertion in model container [2024-11-08 22:43:31,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:43:31,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:31,349 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:43:31,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:31,388 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:43:31,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31 WrapperNode [2024-11-08 22:43:31,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:31,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:31,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:43:31,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:43:31,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,426 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-08 22:43:31,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:31,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:43:31,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:43:31,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:43:31,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:43:31,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:43:31,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:43:31,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:43:31,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:31,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:43:31,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:43:31,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:43:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:43:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:43:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:43:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:43:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:43:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:43:31,628 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:43:31,631 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:43:31,883 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 22:43:31,883 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:43:31,940 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:43:31,946 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:43:31,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:31 BoogieIcfgContainer [2024-11-08 22:43:31,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:43:31,948 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:43:31,948 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:43:31,961 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:43:31,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:31" (1/1) ... [2024-11-08 22:43:31,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:43:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 22:43:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 22:43:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 22:43:32,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:32,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:43:32,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:32,312 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 22:43:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 22:43:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 22:43:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:43:32,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:32,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:32,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:43:32,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:32,505 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 22:43:32,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-08 22:43:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 22:43:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:43:32,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:32,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:32,764 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 22:43:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 22:43:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 22:43:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:43:32,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:32,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:33,056 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 22:43:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 22:43:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 22:43:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:43:33,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:33,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:33,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-08 22:43:33,690 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-08 22:43:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:43:33,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:33,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-08 22:43:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-08 22:43:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:43:34,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:34,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:34,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 28 transitions. [2024-11-08 22:43:34,785 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-08 22:43:34,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:43:34,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:34,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:43:35,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 37 transitions. [2024-11-08 22:43:35,434 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-08 22:43:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:43:35,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:35,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:43:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 28 transitions. [2024-11-08 22:43:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-08 22:43:35,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:43:35,841 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-11-08 22:43:35,853 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 22:43:35,997 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= ~counter~0 0)) [2024-11-08 22:43:35,998 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2024-11-08 22:43:35,998 INFO L77 FloydHoareUtils]: At program point L35-2(line 35) the Hoare annotation is: true [2024-11-08 22:43:35,998 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:43:35,999 INFO L77 FloydHoareUtils]: At program point L33-1(line 33) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= ~counter~0 0)) [2024-11-08 22:43:35,999 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 44) the Hoare annotation is: (or (<= ~counter~0 1) (< 1 |ULTIMATE.start_main_#t~post7#1|) (and (not (= |ULTIMATE.start_main_#t~post7#1| 0)) (<= ~counter~0 2))) [2024-11-08 22:43:35,999 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-08 22:43:35,999 INFO L77 FloydHoareUtils]: At program point L35-5(lines 35 44) the Hoare annotation is: true [2024-11-08 22:43:36,000 INFO L77 FloydHoareUtils]: At program point L35-6(lines 35 44) the Hoare annotation is: true [2024-11-08 22:43:36,000 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:43:36,000 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: (<= ~counter~0 2) [2024-11-08 22:43:36,000 INFO L77 FloydHoareUtils]: At program point L36-1(lines 35 44) the Hoare annotation is: true [2024-11-08 22:43:36,000 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2024-11-08 22:43:36,001 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-08 22:43:36,001 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-08 22:43:36,001 INFO L77 FloydHoareUtils]: At program point L35-1(line 35) the Hoare annotation is: true [2024-11-08 22:43:36,001 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-11-08 22:43:36,001 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-11-08 22:43:36,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:43:36 ImpRootNode [2024-11-08 22:43:36,020 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:43:36,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:43:36,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:43:36,022 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:43:36,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:31" (3/4) ... [2024-11-08 22:43:36,026 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:43:36,031 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 22:43:36,035 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 22:43:36,037 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 22:43:36,038 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:43:36,038 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:43:36,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:43:36,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:43:36,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:43:36,157 INFO L158 Benchmark]: Toolchain (without parser) took 5086.41ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 94.8MB in the beginning and 126.0MB in the end (delta: -31.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-08 22:43:36,158 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:36,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.67ms. Allocated memory is still 130.0MB. Free memory was 94.8MB in the beginning and 82.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:43:36,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.65ms. Allocated memory is still 130.0MB. Free memory was 82.5MB in the beginning and 81.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:43:36,159 INFO L158 Benchmark]: Boogie Preprocessor took 25.47ms. Allocated memory is still 130.0MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:36,159 INFO L158 Benchmark]: RCFGBuilder took 493.44ms. Allocated memory is still 130.0MB. Free memory was 79.8MB in the beginning and 67.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:43:36,159 INFO L158 Benchmark]: CodeCheck took 4072.68ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 67.2MB in the beginning and 131.2MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:36,163 INFO L158 Benchmark]: Witness Printer took 135.48ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 126.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:43:36,165 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 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 134 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 548 IncrementalHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 134 mSolverCounterUnsat, 64 mSDtfsCounter, 548 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 894 GetRequests, 804 SyntacticMatches, 34 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1386 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 32/64 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.67ms. Allocated memory is still 130.0MB. Free memory was 94.8MB in the beginning and 82.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.65ms. Allocated memory is still 130.0MB. Free memory was 82.5MB in the beginning and 81.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.47ms. Allocated memory is still 130.0MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 493.44ms. Allocated memory is still 130.0MB. Free memory was 79.8MB in the beginning and 67.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4072.68ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 67.2MB in the beginning and 131.2MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 135.48ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 126.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:43:36,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f98735-a2b8-482f-8c44-2ac7488811e9/bin/ukojak-verify-ImItNfHLgk/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 Result: TRUE