./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:41:11,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:41:11,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:41:12,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:41:12,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:41:12,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:41:12,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:41:12,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:41:12,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:41:12,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:41:12,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:41:12,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:41:12,066 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:41:12,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:41:12,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:41:12,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:41:12,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:41:12,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:41:12,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:41:12,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:41:12,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:41:12,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:41:12,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:41:12,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:41:12,075 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:41:12,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:41:12,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:41:12,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:12,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:41:12,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:41:12,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:41:12,077 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:41:12,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:41:12,078 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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-11-08 22:41:12,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:41:12,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:41:12,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:41:12,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:41:12,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:41:12,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c Unable to find full path for "g++" [2024-11-08 22:41:14,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:41:14,842 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:41:14,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-08 22:41:14,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/data/ac05c639c/9f04a169cc5f4c248a15c7fe2e4a20a6/FLAG0863ffafa [2024-11-08 22:41:14,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/data/ac05c639c/9f04a169cc5f4c248a15c7fe2e4a20a6 [2024-11-08 22:41:14,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:41:14,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:41:14,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:14,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:41:14,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:41:14,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:14" (1/1) ... [2024-11-08 22:41:14,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e30724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:14, skipping insertion in model container [2024-11-08 22:41:14,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:14" (1/1) ... [2024-11-08 22:41:14,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:41:15,168 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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-08 22:41:15,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:15,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:41:15,229 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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-08 22:41:15,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:15,264 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:41:15,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15 WrapperNode [2024-11-08 22:41:15,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:15,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:15,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:41:15,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:41:15,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,310 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-08 22:41:15,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:15,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:41:15,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:41:15,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:41:15,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:41:15,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:41:15,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:41:15,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:41:15,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:15,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:41:15,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:41:15,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:41:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:41:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:41:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:41:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:41:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:41:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:41:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:41:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:41:15,523 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:41:15,526 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:41:15,876 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:41:15,880 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:41:15,925 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:41:15,926 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 22:41:15,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:41:15 BoogieIcfgContainer [2024-11-08 22:41:15,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:41:15,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:41:15,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:41:15,943 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:41:15,943 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:41:15" (1/1) ... [2024-11-08 22:41:15,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:41:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-08 22:41:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-08 22:41:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:41:16,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:16,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:41:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-08 22:41:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-08 22:41:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:41:16,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:16,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:16,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:41:16,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:41:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-08 22:41:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-08 22:41:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:41:17,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:17,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:41:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:17,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-11-08 22:41:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-08 22:41:17,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:41:17,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:17,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:28,626 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:41:28,630 INFO L158 Benchmark]: Toolchain (without parser) took 13753.31ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 57.6MB in the beginning and 73.5MB in the end (delta: -15.9MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-08 22:41:28,631 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:41:28,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.68ms. Allocated memory is still 167.8MB. Free memory was 140.8MB in the beginning and 131.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-08 22:41:28,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.23ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:41:28,634 INFO L158 Benchmark]: Boogie Preprocessor took 27.35ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 128.8MB in the end (delta: 761.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:41:28,634 INFO L158 Benchmark]: RCFGBuilder took 587.58ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 133.7MB in the end (delta: -4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:41:28,635 INFO L158 Benchmark]: CodeCheck took 12700.51ms. Allocated memory is still 167.8MB. Free memory was 133.7MB in the beginning and 73.5MB in the end (delta: 60.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-08 22:41:28,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.68ms. Allocated memory is still 167.8MB. Free memory was 140.8MB in the beginning and 131.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.23ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.35ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 128.8MB in the end (delta: 761.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 587.58ms. Allocated memory is still 167.8MB. Free memory was 128.8MB in the beginning and 133.7MB in the end (delta: -4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 12700.51ms. Allocated memory is still 167.8MB. Free memory was 133.7MB in the beginning and 73.5MB in the end (delta: 60.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:41:28,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:41:31,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:41:31,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:41:31,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:41:31,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:41:31,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:41:31,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:41:31,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:41:31,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:41:31,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:41:31,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:41:31,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:41:31,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:41:31,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:41:31,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:41:31,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:41:31,504 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:41:31,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:41:31,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:41:31,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:41:31,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:41:31,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:41:31,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:41:31,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:41:31,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:41:31,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:41:31,516 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:31,516 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:41:31,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:41:31,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:31,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:41:31,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:41:31,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:41:31,519 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:41:31,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:31,520 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:41:31,521 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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-11-08 22:41:31,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:41:31,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:41:31,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:41:31,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:41:31,937 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:41:31,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c Unable to find full path for "g++" [2024-11-08 22:41:34,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:41:34,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:41:34,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-08 22:41:34,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/data/95aa3a9f8/307b258832204cfdab86d81cdc4c542e/FLAG444522dfe [2024-11-08 22:41:34,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/data/95aa3a9f8/307b258832204cfdab86d81cdc4c542e [2024-11-08 22:41:34,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:41:34,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:41:34,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:34,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:41:34,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:41:34,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3391d872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34, skipping insertion in model container [2024-11-08 22:41:34,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:41:34,764 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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-08 22:41:34,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:34,824 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:41:34,847 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_9c30c918-23fb-4807-bbcd-3a7ec28329e2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-08 22:41:34,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:34,884 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:41:34,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34 WrapperNode [2024-11-08 22:41:34,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:34,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:34,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:41:34,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:41:34,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,946 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-08 22:41:34,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:34,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:41:34,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:41:34,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:41:34,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:41:34,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:41:34,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:41:34,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:41:34,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:34" (1/1) ... [2024-11-08 22:41:34,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:41:35,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:41:35,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:41:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:41:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:41:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:41:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:41:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:41:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:41:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:41:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:41:35,222 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:41:35,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:41:35,549 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:41:35,549 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:41:35,626 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:41:35,626 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 22:41:35,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:41:35 BoogieIcfgContainer [2024-11-08 22:41:35,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:41:35,628 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:41:35,628 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:41:35,641 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:41:35,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:41:35" (1/1) ... [2024-11-08 22:41:35,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:41:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-08 22:41:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-08 22:41:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:41:35,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:35,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:35,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:35,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:35,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:41:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:35,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:35,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:41:36,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:41:36,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:41:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-08 22:41:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-08 22:41:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:41:36,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:36,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:36,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:36,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:41:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:36,334 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:46,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 22:41:46,537 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:41:46,542 INFO L158 Benchmark]: Toolchain (without parser) took 12071.65ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 57.3MB in the beginning and 76.8MB in the end (delta: -19.5MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-08 22:41:46,546 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 57.1MB in the end (delta: 153.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:41:46,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.32ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 43.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:41:46,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.76ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 42.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:41:46,551 INFO L158 Benchmark]: Boogie Preprocessor took 39.64ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 40.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:41:46,553 INFO L158 Benchmark]: RCFGBuilder took 636.47ms. Allocated memory is still 81.8MB. Free memory was 40.8MB in the beginning and 49.4MB in the end (delta: -8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:41:46,554 INFO L158 Benchmark]: CodeCheck took 10912.00ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 76.8MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:41:46,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 57.1MB in the end (delta: 153.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.32ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 43.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.76ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 42.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.64ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 40.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.47ms. Allocated memory is still 81.8MB. Free memory was 40.8MB in the beginning and 49.4MB in the end (delta: -8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 10912.00ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 76.8MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:41:46,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c30c918-23fb-4807-bbcd-3a7ec28329e2/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown