./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/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_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk --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 9c5d8dd6c87f471ee77fd3b765c8ecabfaf01dd976e127275ea7c589f724f472 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:24:47,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:24:48,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:24:48,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:24:48,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:24:48,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:24:48,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:24:48,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:24:48,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:24:48,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:24:48,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:24:48,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:24:48,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:24:48,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:24:48,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:24:48,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:24:48,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:24:48,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:24:48,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:24:48,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:24:48,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:24:48,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:24:48,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:24:48,098 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:24:48,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:24:48,099 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:24:48,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:24:48,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:24:48,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:24:48,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:24:48,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:24:48,105 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:24:48,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:24:48,106 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_695e2c43-85d1-472a-95a0-7a76bd875d62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c5d8dd6c87f471ee77fd3b765c8ecabfaf01dd976e127275ea7c589f724f472 [2024-11-08 23:24:48,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:24:48,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:24:48,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:24:48,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:24:48,434 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:24:48,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-acceleration/array_3-1.i Unable to find full path for "g++" [2024-11-08 23:24:50,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:24:50,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:24:50,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/sv-benchmarks/c/loop-acceleration/array_3-1.i [2024-11-08 23:24:50,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/data/453d0e964/3d4546bd79e5436c89f3eda1b94c5701/FLAGdf2932a99 [2024-11-08 23:24:51,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/data/453d0e964/3d4546bd79e5436c89f3eda1b94c5701 [2024-11-08 23:24:51,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:24:51,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:24:51,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:24:51,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:24:51,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:24:51,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3cfa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51, skipping insertion in model container [2024-11-08 23:24:51,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:24:51,250 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_695e2c43-85d1-472a-95a0-7a76bd875d62/sv-benchmarks/c/loop-acceleration/array_3-1.i[849,862] [2024-11-08 23:24:51,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:24:51,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:24:51,286 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_695e2c43-85d1-472a-95a0-7a76bd875d62/sv-benchmarks/c/loop-acceleration/array_3-1.i[849,862] [2024-11-08 23:24:51,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:24:51,309 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:24:51,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51 WrapperNode [2024-11-08 23:24:51,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:24:51,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:24:51,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:24:51,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:24:51,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,341 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-08 23:24:51,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:24:51,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:24:51,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:24:51,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:24:51,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:24:51,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:24:51,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:24:51,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:24:51,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:24:51,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:24:51,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:24:51,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:24:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:24:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:24:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:24:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:24:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:24:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:24:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:24:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:24:51,540 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:24:51,542 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:24:51,716 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:24:51,717 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:24:51,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:24:51,761 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:24:51,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:24:51 BoogieIcfgContainer [2024-11-08 23:24:51,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:24:51,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:24:51,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:24:51,774 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:24:51,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:24:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-08 23:24:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-08 23:24:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:24:51,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:51,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:52,072 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 23:24:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-08 23:24:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-08 23:24:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:24:52,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:52,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:52,187 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 23:24:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-08 23:24:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-08 23:24:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:24:52,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:52,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-08 23:24:52,458 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-08 23:24:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:24:52,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:52,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:24:52,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-08 23:24:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-08 23:24:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:24:52,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:24:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-08 23:24:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-08 23:24:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:24:53,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:53,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:24:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-08 23:24:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-08 23:24:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:24:53,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:24:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 23:24:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 23:24:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:24:53,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:24:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-08 23:24:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-08 23:24:53,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:24:53,497 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 23:24:53,506 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:24:53,581 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:24:53,581 INFO L77 FloydHoareUtils]: At program point L29(lines 29 31) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1023) [2024-11-08 23:24:53,582 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-08 23:24:53,586 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 19) the Hoare annotation is: true [2024-11-08 23:24:53,586 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:24:53,586 INFO L77 FloydHoareUtils]: At program point L28-1(lines 28 32) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1023) [2024-11-08 23:24:53,586 INFO L77 FloydHoareUtils]: At program point L28-3(lines 28 32) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1023) [2024-11-08 23:24:53,587 INFO L77 FloydHoareUtils]: At program point L28-4(lines 28 32) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 1025) [2024-11-08 23:24:53,587 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-11-08 23:24:53,587 INFO L77 FloydHoareUtils]: At program point L24-1(lines 24 26) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1023) [2024-11-08 23:24:53,587 INFO L77 FloydHoareUtils]: At program point L24-3(lines 24 26) the Hoare annotation is: true [2024-11-08 23:24:53,587 INFO L77 FloydHoareUtils]: At program point L24-4(lines 24 26) the Hoare annotation is: true [2024-11-08 23:24:53,587 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-11-08 23:24:53,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:24:53 ImpRootNode [2024-11-08 23:24:53,601 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:24:53,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:24:53,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:24:53,603 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:24:53,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:24:51" (3/4) ... [2024-11-08 23:24:53,606 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:24:53,613 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 23:24:53,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 23:24:53,616 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:24:53,616 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:24:53,724 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:24:53,727 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:24:53,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:24:53,728 INFO L158 Benchmark]: Toolchain (without parser) took 2687.40ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 109.0MB in the beginning and 110.4MB in the end (delta: -1.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-08 23:24:53,728 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:24:53,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.56ms. Allocated memory is still 146.8MB. Free memory was 109.0MB in the beginning and 96.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:24:53,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.50ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 95.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:24:53,730 INFO L158 Benchmark]: Boogie Preprocessor took 26.66ms. Allocated memory is still 146.8MB. Free memory was 95.2MB in the beginning and 93.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:24:53,730 INFO L158 Benchmark]: RCFGBuilder took 391.10ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 83.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:24:53,730 INFO L158 Benchmark]: CodeCheck took 1837.97ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 83.0MB in the beginning and 114.6MB in the end (delta: -31.5MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-08 23:24:53,731 INFO L158 Benchmark]: Witness Printer took 125.44ms. Allocated memory is still 205.5MB. Free memory was 114.6MB in the beginning and 110.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:24:53,736 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 258 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 284 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 109 mSDtfsCounter, 284 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 705 GetRequests, 680 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 27/31 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: 16]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.56ms. Allocated memory is still 146.8MB. Free memory was 109.0MB in the beginning and 96.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.50ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 95.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.66ms. Allocated memory is still 146.8MB. Free memory was 95.2MB in the beginning and 93.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.10ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 83.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1837.97ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 83.0MB in the beginning and 114.6MB in the end (delta: -31.5MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 125.44ms. Allocated memory is still 205.5MB. Free memory was 114.6MB in the beginning and 110.4MB 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 23:24:53,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e2c43-85d1-472a-95a0-7a76bd875d62/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