./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/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_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/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 64bit --witnessprinter.graph.data.programhash 3b0071c78088f9c96f862cb661d2ce94895d7fb3336b3cc889e5292b345efcdd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:37:09,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:37:09,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:37:09,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:37:09,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:37:09,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:37:09,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:37:09,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:37:09,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:37:09,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:37:09,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:37:09,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:37:09,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:37:09,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:37:09,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:37:09,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:37:09,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:37:09,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:37:09,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:37:09,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:37:09,338 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:37:09,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:37:09,342 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:37:09,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:37:09,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:09,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:37:09,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:37:09,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:37:09,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:37:09,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:37:09,345 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_d31e8f14-9b38-4564-8119-e4f09e7ba601/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b0071c78088f9c96f862cb661d2ce94895d7fb3336b3cc889e5292b345efcdd [2024-11-09 00:37:09,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:37:09,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:37:09,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:37:09,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:37:09,632 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:37:09,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c Unable to find full path for "g++" [2024-11-09 00:37:11,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:37:12,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:37:12,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2024-11-09 00:37:12,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/data/7eb91b2cc/6d7ee0dad90d4977833b77c92e4e2e75/FLAG6b3c0c598 [2024-11-09 00:37:12,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/data/7eb91b2cc/6d7ee0dad90d4977833b77c92e4e2e75 [2024-11-09 00:37:12,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:37:12,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:37:12,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:12,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:37:12,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:37:12,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:12,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225b4f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12, skipping insertion in model container [2024-11-09 00:37:12,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:12,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:37:12,336 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_d31e8f14-9b38-4564-8119-e4f09e7ba601/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-09 00:37:12,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:12,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:37:12,641 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_d31e8f14-9b38-4564-8119-e4f09e7ba601/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-09 00:37:12,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:12,796 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:37:12,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12 WrapperNode [2024-11-09 00:37:12,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:12,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:12,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:37:12,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:37:12,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:12,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,056 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1336 [2024-11-09 00:37:13,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:13,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:37:13,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:37:13,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:37:13,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:37:13,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:37:13,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:37:13,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:37:13,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:12" (1/1) ... [2024-11-09 00:37:13,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:13,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:37:13,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:37:13,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:37:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:37:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:37:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:37:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:37:13,569 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:37:13,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:37:15,708 INFO L? ?]: Removed 791 outVars from TransFormulas that were not future-live. [2024-11-09 00:37:15,709 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:37:17,373 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:37:17,373 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:37:17,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:17 BoogieIcfgContainer [2024-11-09 00:37:17,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:37:17,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:37:17,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:37:17,385 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:37:17,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:17" (1/1) ... [2024-11-09 00:37:17,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:17,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:17,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:37:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:37:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:37:17,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:17,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 00:37:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 00:37:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:37:28,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:28,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:46,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:37:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2024-11-09 00:37:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2024-11-09 00:37:50,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:37:50,540 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-09 00:37:50,550 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:37:50,904 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-09 00:37:50,905 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-09 00:37:50,905 INFO L77 FloydHoareUtils]: At program point L147-2(lines 147 787) the Hoare annotation is: (and (= 77 |ULTIMATE.start_main_~var_46~0#1|) (= |ULTIMATE.start_main_~var_16~0#1| 90) (= |ULTIMATE.start_main_~var_123~0#1| 65) (= |ULTIMATE.start_main_~var_36~0#1| 86) (= |ULTIMATE.start_main_~var_88~0#1| 80) (= |ULTIMATE.start_main_~var_98~0#1| 84) (= |ULTIMATE.start_main_~var_113~0#1| 79) (= |ULTIMATE.start_main_~var_93~0#1| 85) (= |ULTIMATE.start_main_~var_64~0#1| 68) (= |ULTIMATE.start_main_~var_103~0#1| 78) (= |ULTIMATE.start_main_~var_128~0#1| 83) (= |ULTIMATE.start_main_~var_31~0#1| 81) (= |ULTIMATE.start_main_~var_61~0#1| 76) (= |ULTIMATE.start_main_~var_83~0#1| 70) (= |ULTIMATE.start_main_~var_41~0#1| 66) (= |ULTIMATE.start_main_~var_26~0#1| 75) (= |ULTIMATE.start_main_~var_51~0#1| 89) (= |ULTIMATE.start_main_~var_7~0#1| 74) (= |ULTIMATE.start_main_~var_90~0#1| 32) (= |ULTIMATE.start_main_~var_145~0#1| 255) (= |ULTIMATE.start_main_~var_21~0#1| 88) (= |ULTIMATE.start_main_~var_6~0#1| 0) (= |ULTIMATE.start_main_~var_118~0#1| 73) (= |ULTIMATE.start_main_~var_55~0#1| 71) (= |ULTIMATE.start_main_~mask_SORT_142~0#1| 255) (= |ULTIMATE.start_main_~var_108~0#1| 82) (= |ULTIMATE.start_main_~var_137~0#1| 69) (= |ULTIMATE.start_main_~var_69~0#1| 72) (= |ULTIMATE.start_main_~var_59~0#1| 87) (= |ULTIMATE.start_main_~var_78~0#1| 67)) [2024-11-09 00:37:50,906 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= 77 |ULTIMATE.start_main_~var_46~0#1|) (= |ULTIMATE.start_main_~var_16~0#1| 90) (= |ULTIMATE.start_main_~var_123~0#1| 65) (= |ULTIMATE.start_main_~var_36~0#1| 86) (= |ULTIMATE.start_main_~var_88~0#1| 80) (= |ULTIMATE.start_main_~var_98~0#1| 84) (= |ULTIMATE.start_main_~var_113~0#1| 79) (= |ULTIMATE.start_main_~var_93~0#1| 85) (= |ULTIMATE.start_main_~var_64~0#1| 68) (= |ULTIMATE.start_main_~var_103~0#1| 78) (= |ULTIMATE.start_main_~var_128~0#1| 83) (= |ULTIMATE.start_main_~var_31~0#1| 81) (= |ULTIMATE.start_main_~var_61~0#1| 76) (= |ULTIMATE.start_main_~var_83~0#1| 70) (= |ULTIMATE.start_main_~var_41~0#1| 66) (= |ULTIMATE.start_main_~var_26~0#1| 75) (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (= |ULTIMATE.start_main_~var_51~0#1| 89) (= |ULTIMATE.start_main_~var_7~0#1| 74) (= |ULTIMATE.start_main_~var_90~0#1| 32) (= |ULTIMATE.start_main_~var_145~0#1| 255) (= |ULTIMATE.start_main_~var_21~0#1| 88) (= |ULTIMATE.start_main_~var_6~0#1| 0) (= |ULTIMATE.start_main_~var_118~0#1| 73) (= |ULTIMATE.start_main_~var_55~0#1| 71) (= |ULTIMATE.start_main_~mask_SORT_142~0#1| 255) (= |ULTIMATE.start_main_~var_108~0#1| 82) (= |ULTIMATE.start_main_~var_137~0#1| 69) (= |ULTIMATE.start_main_~var_69~0#1| 72) (= |ULTIMATE.start_main_~var_59~0#1| 87) (= |ULTIMATE.start_main_~var_78~0#1| 67)) [2024-11-09 00:37:50,906 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-09 00:37:50,906 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= 77 |ULTIMATE.start_main_~var_46~0#1|) (= |ULTIMATE.start_main_~var_16~0#1| 90) (= |ULTIMATE.start_main_~var_123~0#1| 65) (= |ULTIMATE.start_main_~var_36~0#1| 86) (= |ULTIMATE.start_main_~var_88~0#1| 80) (= |ULTIMATE.start_main_~var_98~0#1| 84) (= |ULTIMATE.start_main_~var_113~0#1| 79) (= |ULTIMATE.start_main_~var_93~0#1| 85) (= |ULTIMATE.start_main_~var_64~0#1| 68) (= |ULTIMATE.start_main_~var_103~0#1| 78) (= |ULTIMATE.start_main_~var_128~0#1| 83) (= |ULTIMATE.start_main_~var_31~0#1| 81) (= |ULTIMATE.start_main_~var_61~0#1| 76) (= |ULTIMATE.start_main_~var_83~0#1| 70) (= |ULTIMATE.start_main_~var_41~0#1| 66) (= |ULTIMATE.start_main_~var_26~0#1| 75) (= |ULTIMATE.start_main_~var_51~0#1| 89) (= |ULTIMATE.start_main_~var_7~0#1| 74) (= |ULTIMATE.start_main_~var_90~0#1| 32) (= |ULTIMATE.start_main_~var_145~0#1| 255) (= |ULTIMATE.start_main_~var_21~0#1| 88) (= |ULTIMATE.start_main_~var_6~0#1| 0) (= |ULTIMATE.start_main_~var_118~0#1| 73) (= |ULTIMATE.start_main_~var_55~0#1| 71) (= |ULTIMATE.start_main_~mask_SORT_142~0#1| 255) (= |ULTIMATE.start_main_~var_108~0#1| 82) (= |ULTIMATE.start_main_~var_137~0#1| 69) (= |ULTIMATE.start_main_~var_69~0#1| 72) (= |ULTIMATE.start_main_~var_59~0#1| 87) (= |ULTIMATE.start_main_~var_78~0#1| 67)) [2024-11-09 00:37:50,906 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:37:50,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:37:50 ImpRootNode [2024-11-09 00:37:50,924 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:37:50,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:37:50,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:37:50,926 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:37:50,927 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:17" (3/4) ... [2024-11-09 00:37:50,929 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:37:50,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 270 nodes and edges [2024-11-09 00:37:50,976 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-09 00:37:50,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 00:37:50,980 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:37:51,076 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-11-09 00:37:51,081 INFO L158 Benchmark]: Toolchain (without parser) took 39037.25ms. Allocated memory was 130.0MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 97.0MB in the beginning and 1.1GB in the end (delta: -957.7MB). Peak memory consumption was 469.9MB. Max. memory is 16.1GB. [2024-11-09 00:37:51,082 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:37:51,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.29ms. Allocated memory is still 130.0MB. Free memory was 97.0MB in the beginning and 61.9MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 00:37:51,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 259.62ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 61.9MB in the beginning and 122.3MB in the end (delta: -60.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-09 00:37:51,083 INFO L158 Benchmark]: Boogie Preprocessor took 187.41ms. Allocated memory is still 174.1MB. Free memory was 122.3MB in the beginning and 111.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:37:51,083 INFO L158 Benchmark]: RCFGBuilder took 4127.53ms. Allocated memory was 174.1MB in the beginning and 283.1MB in the end (delta: 109.1MB). Free memory was 111.9MB in the beginning and 187.3MB in the end (delta: -75.4MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2024-11-09 00:37:51,084 INFO L158 Benchmark]: CodeCheck took 33549.46ms. Allocated memory was 283.1MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 187.3MB in the beginning and 1.1GB in the end (delta: -876.9MB). Peak memory consumption was 395.0MB. Max. memory is 16.1GB. [2024-11-09 00:37:51,084 INFO L158 Benchmark]: Witness Printer took 155.85ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:37:51,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 2 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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: 21]: 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 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((77 == var_46) && (var_16 == 90)) && (var_123 == 65)) && (var_36 == 86)) && (var_88 == 80)) && (var_98 == 84)) && (var_113 == 79)) && (var_93 == 85)) && (var_64 == 68)) && (var_103 == 78)) && (var_128 == 83)) && (var_31 == 81)) && (var_61 == 76)) && (var_83 == 70)) && (var_41 == 66)) && (var_26 == 75)) && (var_51 == 89)) && (var_7 == 74)) && (var_90 == 32)) && (var_145 == 255)) && (var_21 == 88)) && (var_6 == 0)) && (var_118 == 73)) && (var_55 == 71)) && (mask_SORT_142 == 255)) && (var_108 == 82)) && (var_137 == 69)) && (var_69 == 72)) && (var_59 == 87)) && (var_78 == 67)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.29ms. Allocated memory is still 130.0MB. Free memory was 97.0MB in the beginning and 61.9MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 259.62ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 61.9MB in the beginning and 122.3MB in the end (delta: -60.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 187.41ms. Allocated memory is still 174.1MB. Free memory was 122.3MB in the beginning and 111.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4127.53ms. Allocated memory was 174.1MB in the beginning and 283.1MB in the end (delta: 109.1MB). Free memory was 111.9MB in the beginning and 187.3MB in the end (delta: -75.4MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * CodeCheck took 33549.46ms. Allocated memory was 283.1MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 187.3MB in the beginning and 1.1GB in the end (delta: -876.9MB). Peak memory consumption was 395.0MB. Max. memory is 16.1GB. * Witness Printer took 155.85ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:37:51,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/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_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/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_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/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 64bit --witnessprinter.graph.data.programhash 3b0071c78088f9c96f862cb661d2ce94895d7fb3336b3cc889e5292b345efcdd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:37:53,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:37:53,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:37:53,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:37:53,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:37:53,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:37:53,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:37:53,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:37:53,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:37:53,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:37:53,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:37:53,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:37:53,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:37:53,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:37:53,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:37:53,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:37:53,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:37:53,628 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:37:53,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:37:53,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:37:53,633 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:37:53,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:37:53,634 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:37:53,634 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:53,634 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:37:53,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:37:53,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:53,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:37:53,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:37:53,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:37:53,636 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:37:53,637 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:53,637 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:37:53,638 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_d31e8f14-9b38-4564-8119-e4f09e7ba601/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b0071c78088f9c96f862cb661d2ce94895d7fb3336b3cc889e5292b345efcdd [2024-11-09 00:37:54,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:37:54,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:37:54,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:37:54,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:37:54,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:37:54,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c Unable to find full path for "g++" [2024-11-09 00:37:56,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:37:56,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:37:56,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2024-11-09 00:37:56,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/data/4c981706b/1940cccfcb4942ef82b10fe913de5f4c/FLAG4fba8f95b [2024-11-09 00:37:56,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/data/4c981706b/1940cccfcb4942ef82b10fe913de5f4c [2024-11-09 00:37:56,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:37:56,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:37:56,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:56,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:37:56,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:37:56,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:56" (1/1) ... [2024-11-09 00:37:56,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cb4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:56, skipping insertion in model container [2024-11-09 00:37:56,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:56" (1/1) ... [2024-11-09 00:37:56,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:37:56,849 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_d31e8f14-9b38-4564-8119-e4f09e7ba601/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-09 00:37:57,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:57,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:37:57,124 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_d31e8f14-9b38-4564-8119-e4f09e7ba601/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-09 00:37:57,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:57,282 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:37:57,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57 WrapperNode [2024-11-09 00:37:57,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:57,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:57,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:37:57,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:37:57,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,380 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 776 [2024-11-09 00:37:57,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:57,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:37:57,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:37:57,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:37:57,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:37:57,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:37:57,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:37:57,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:37:57,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:57" (1/1) ... [2024-11-09 00:37:57,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:57,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:37:57,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:37:57,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:37:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:37:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:37:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:37:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:37:57,867 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:37:57,869 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:37:58,928 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-11-09 00:37:58,928 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:37:59,009 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:37:59,009 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:37:59,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:59 BoogieIcfgContainer [2024-11-09 00:37:59,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:37:59,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:37:59,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:37:59,021 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:37:59,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:59" (1/1) ... [2024-11-09 00:37:59,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:37:59,108 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:37:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:37:59,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:59,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:59,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:59,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:59,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:37:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:00,083 WARN L253 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 214 conjuncts are in the unsatisfiable core [2024-11-09 00:38:00,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:38:05,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:38:05,882 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:38:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:38:05,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:05,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:05,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:05,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:05,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:38:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:06,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:07,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-09 00:38:07,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:38:11,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:16,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:16,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2024-11-09 00:38:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2024-11-09 00:38:16,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:38:16,138 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-09 00:38:16,148 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:38:16,870 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-09 00:38:16,871 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|) (= (_ bv78 32) |ULTIMATE.start_main_~var_103~0#1|) (= (_ bv77 32) |ULTIMATE.start_main_~var_46~0#1|) (= (_ bv70 32) |ULTIMATE.start_main_~var_83~0#1|) (= (_ bv84 32) |ULTIMATE.start_main_~var_98~0#1|) (= (_ bv79 32) |ULTIMATE.start_main_~var_113~0#1|) (= (_ bv73 32) |ULTIMATE.start_main_~var_118~0#1|) (= (_ bv90 32) |ULTIMATE.start_main_~var_16~0#1|) (= (_ bv88 32) |ULTIMATE.start_main_~var_21~0#1|) (= (_ bv74 32) |ULTIMATE.start_main_~var_7~0#1|) (= (_ bv83 32) |ULTIMATE.start_main_~var_128~0#1|) (= (_ bv32 32) |ULTIMATE.start_main_~var_90~0#1|) (= (_ bv67 32) |ULTIMATE.start_main_~var_78~0#1|) (= (_ bv71 32) |ULTIMATE.start_main_~var_55~0#1|) (= (_ bv66 32) |ULTIMATE.start_main_~var_41~0#1|) (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (_ bv0 32) |ULTIMATE.start_main_~var_6~0#1|) (= (_ bv69 32) |ULTIMATE.start_main_~var_137~0#1|) (= (_ bv80 32) |ULTIMATE.start_main_~var_88~0#1|) (= (_ bv86 32) |ULTIMATE.start_main_~var_36~0#1|) (= (_ bv89 32) |ULTIMATE.start_main_~var_51~0#1|) (= (_ bv65 32) |ULTIMATE.start_main_~var_123~0#1|) (= (_ bv81 32) |ULTIMATE.start_main_~var_31~0#1|) (= (_ bv75 32) |ULTIMATE.start_main_~var_26~0#1|) (= (_ bv255 32) |ULTIMATE.start_main_~var_145~0#1|) (= (_ bv85 32) |ULTIMATE.start_main_~var_93~0#1|) (= (_ bv72 32) |ULTIMATE.start_main_~var_69~0#1|) (= (_ bv87 32) |ULTIMATE.start_main_~var_59~0#1|) (= (_ bv82 32) |ULTIMATE.start_main_~var_108~0#1|) (= (_ bv68 32) |ULTIMATE.start_main_~var_64~0#1|) (= (_ bv76 32) |ULTIMATE.start_main_~var_61~0#1|)) [2024-11-09 00:38:16,871 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-09 00:38:16,872 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|) (= (_ bv78 32) |ULTIMATE.start_main_~var_103~0#1|) (= (_ bv77 32) |ULTIMATE.start_main_~var_46~0#1|) (= (_ bv70 32) |ULTIMATE.start_main_~var_83~0#1|) (= (_ bv84 32) |ULTIMATE.start_main_~var_98~0#1|) (= (_ bv79 32) |ULTIMATE.start_main_~var_113~0#1|) (= (_ bv73 32) |ULTIMATE.start_main_~var_118~0#1|) (= (_ bv90 32) |ULTIMATE.start_main_~var_16~0#1|) (= (_ bv88 32) |ULTIMATE.start_main_~var_21~0#1|) (= (_ bv74 32) |ULTIMATE.start_main_~var_7~0#1|) (= (_ bv83 32) |ULTIMATE.start_main_~var_128~0#1|) (= (_ bv32 32) |ULTIMATE.start_main_~var_90~0#1|) (= (_ bv67 32) |ULTIMATE.start_main_~var_78~0#1|) (= (_ bv71 32) |ULTIMATE.start_main_~var_55~0#1|) (= (_ bv66 32) |ULTIMATE.start_main_~var_41~0#1|) (= (_ bv0 32) |ULTIMATE.start_main_~var_6~0#1|) (= (_ bv69 32) |ULTIMATE.start_main_~var_137~0#1|) (= (_ bv80 32) |ULTIMATE.start_main_~var_88~0#1|) (= (_ bv86 32) |ULTIMATE.start_main_~var_36~0#1|) (= (_ bv89 32) |ULTIMATE.start_main_~var_51~0#1|) (= (_ bv65 32) |ULTIMATE.start_main_~var_123~0#1|) (= (_ bv81 32) |ULTIMATE.start_main_~var_31~0#1|) (= (_ bv75 32) |ULTIMATE.start_main_~var_26~0#1|) (= (_ bv255 32) |ULTIMATE.start_main_~var_145~0#1|) (= (_ bv85 32) |ULTIMATE.start_main_~var_93~0#1|) (= (_ bv72 32) |ULTIMATE.start_main_~var_69~0#1|) (= (_ bv87 32) |ULTIMATE.start_main_~var_59~0#1|) (= (_ bv82 32) |ULTIMATE.start_main_~var_108~0#1|) (= (_ bv68 32) |ULTIMATE.start_main_~var_64~0#1|) (= (_ bv76 32) |ULTIMATE.start_main_~var_61~0#1|)) [2024-11-09 00:38:16,872 INFO L77 FloydHoareUtils]: At program point L147-2(lines 147 787) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|) (= (_ bv78 32) |ULTIMATE.start_main_~var_103~0#1|) (= (_ bv77 32) |ULTIMATE.start_main_~var_46~0#1|) (= (_ bv70 32) |ULTIMATE.start_main_~var_83~0#1|) (= (_ bv84 32) |ULTIMATE.start_main_~var_98~0#1|) (= (_ bv79 32) |ULTIMATE.start_main_~var_113~0#1|) (= (_ bv73 32) |ULTIMATE.start_main_~var_118~0#1|) (= (_ bv90 32) |ULTIMATE.start_main_~var_16~0#1|) (= (_ bv88 32) |ULTIMATE.start_main_~var_21~0#1|) (= (_ bv74 32) |ULTIMATE.start_main_~var_7~0#1|) (= (_ bv83 32) |ULTIMATE.start_main_~var_128~0#1|) (= (_ bv32 32) |ULTIMATE.start_main_~var_90~0#1|) (= (_ bv67 32) |ULTIMATE.start_main_~var_78~0#1|) (= (_ bv71 32) |ULTIMATE.start_main_~var_55~0#1|) (= (_ bv66 32) |ULTIMATE.start_main_~var_41~0#1|) (= (_ bv0 32) |ULTIMATE.start_main_~var_6~0#1|) (= (_ bv69 32) |ULTIMATE.start_main_~var_137~0#1|) (= (_ bv80 32) |ULTIMATE.start_main_~var_88~0#1|) (= (_ bv86 32) |ULTIMATE.start_main_~var_36~0#1|) (= (_ bv89 32) |ULTIMATE.start_main_~var_51~0#1|) (= (_ bv65 32) |ULTIMATE.start_main_~var_123~0#1|) (= (_ bv81 32) |ULTIMATE.start_main_~var_31~0#1|) (= (_ bv75 32) |ULTIMATE.start_main_~var_26~0#1|) (= (_ bv255 32) |ULTIMATE.start_main_~var_145~0#1|) (= (_ bv85 32) |ULTIMATE.start_main_~var_93~0#1|) (= (_ bv72 32) |ULTIMATE.start_main_~var_69~0#1|) (= (_ bv87 32) |ULTIMATE.start_main_~var_59~0#1|) (= (_ bv82 32) |ULTIMATE.start_main_~var_108~0#1|) (= (_ bv68 32) |ULTIMATE.start_main_~var_64~0#1|) (= (_ bv76 32) |ULTIMATE.start_main_~var_61~0#1|)) [2024-11-09 00:38:16,872 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:38:16,873 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-09 00:38:16,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:38:16 ImpRootNode [2024-11-09 00:38:16,889 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:38:16,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:38:16,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:38:16,890 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:38:16,890 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:59" (3/4) ... [2024-11-09 00:38:16,896 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:38:16,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 00:38:16,920 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:38:16,921 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:38:16,922 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:38:16,989 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-11-09 00:38:16,996 INFO L158 Benchmark]: Toolchain (without parser) took 20453.57ms. Allocated memory was 69.2MB in the beginning and 597.7MB in the end (delta: 528.5MB). Free memory was 44.1MB in the beginning and 447.2MB in the end (delta: -403.1MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2024-11-09 00:38:16,996 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 44.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:38:16,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.56ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 59.9MB in the end (delta: -15.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-09 00:38:16,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.57ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 53.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:38:16,997 INFO L158 Benchmark]: Boogie Preprocessor took 116.44ms. Allocated memory is still 86.0MB. Free memory was 53.6MB in the beginning and 49.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:38:16,997 INFO L158 Benchmark]: RCFGBuilder took 1512.42ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.4MB in the beginning and 50.4MB in the end (delta: -957.8kB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 00:38:17,002 INFO L158 Benchmark]: CodeCheck took 17877.91ms. Allocated memory was 104.9MB in the beginning and 597.7MB in the end (delta: 492.8MB). Free memory was 50.4MB in the beginning and 454.6MB in the end (delta: -404.2MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2024-11-09 00:38:17,002 INFO L158 Benchmark]: Witness Printer took 105.53ms. Allocated memory is still 597.7MB. Free memory was 453.5MB in the beginning and 447.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:38:17,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 470 SizeOfPredicates, 65 NumberOfNonLiveVariables, 1000 ConjunctsInSsa, 345 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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: 21]: 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 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((1 == mask_SORT_3) && (78 == var_103)) && (77 == var_46)) && (70 == var_83)) && (84 == var_98)) && (79 == var_113)) && (73 == var_118)) && (90 == var_16)) && (88 == var_21)) && (74 == var_7)) && (83 == var_128)) && (32 == var_90)) && (67 == var_78)) && (71 == var_55)) && (66 == var_41)) && (0 == var_6)) && (69 == var_137)) && (80 == var_88)) && (86 == var_36)) && (89 == var_51)) && (65 == var_123)) && (81 == var_31)) && (75 == var_26)) && (255 == var_145)) && (85 == var_93)) && (72 == var_69)) && (87 == var_59)) && (82 == var_108)) && (68 == var_64)) && (76 == var_61)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 44.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.56ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 59.9MB in the end (delta: -15.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.57ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 53.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.44ms. Allocated memory is still 86.0MB. Free memory was 53.6MB in the beginning and 49.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1512.42ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.4MB in the beginning and 50.4MB in the end (delta: -957.8kB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 17877.91ms. Allocated memory was 104.9MB in the beginning and 597.7MB in the end (delta: 492.8MB). Free memory was 50.4MB in the beginning and 454.6MB in the end (delta: -404.2MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * Witness Printer took 105.53ms. Allocated memory is still 597.7MB. Free memory was 453.5MB in the beginning and 447.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:38:17,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d31e8f14-9b38-4564-8119-e4f09e7ba601/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: NullPointerException: null