./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/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_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 21:20:02,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:02,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:20:02,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:20:02,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:20:02,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:02,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:02,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:02,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:02,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:02,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:02,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:02,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:02,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:02,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:02,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:02,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:02,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:02,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:02,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:02,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:20:02,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:20:02,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:20:03,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:03,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:03,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:03,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:03,094 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:03,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c Unable to find full path for "g++" [2024-11-13 21:20:04,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:05,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:05,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2024-11-13 21:20:05,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/data/6a0c90aab/b77fbdcf8ce5430b8945e9b10c98198e/FLAG6a5ab87b7 [2024-11-13 21:20:05,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/data/6a0c90aab/b77fbdcf8ce5430b8945e9b10c98198e [2024-11-13 21:20:05,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:05,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:05,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:05,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:05,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:05,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:05,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afb6a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05, skipping insertion in model container [2024-11-13 21:20:05,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:05,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:05,503 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_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-13 21:20:05,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:05,712 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:05,721 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_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-13 21:20:05,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:05,906 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:05,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05 WrapperNode [2024-11-13 21:20:05,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:05,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:05,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:05,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:05,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:05,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,168 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1334 [2024-11-13 21:20:06,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:06,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:06,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:06,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:06,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:06,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:06,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:06,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:06,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:05" (1/1) ... [2024-11-13 21:20:06,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:06,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:06,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:06,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:20:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:06,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:06,771 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:06,773 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:09,135 INFO L? ?]: Removed 791 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:09,135 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:10,957 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:10,958 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:20:10,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:10 BoogieIcfgContainer [2024-11-13 21:20:10,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:10,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:10,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:10,970 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:10,970 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:10" (1/1) ... [2024-11-13 21:20:10,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:20:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:20:11,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:20:11,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:11,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:20:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:20:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:20:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:20:20,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:20,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:20:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:38,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2024-11-13 21:20:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2024-11-13 21:20:38,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:20:38,673 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-13 21:20:38,683 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:20:39,059 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-13 21:20:39,059 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-13 21:20:39,060 INFO L77 FloydHoareUtils]: At program point L147-1(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)) [2024-11-13 21:20:39,060 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)) [2024-11-13 21:20:39,061 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-13 21:20:39,061 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)) [2024-11-13 21:20:39,061 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:20:39,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:20:39 ImpRootNode [2024-11-13 21:20:39,083 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:20:39,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:20:39,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:20:39,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:20:39,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:10" (3/4) ... [2024-11-13 21:20:39,088 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:20:39,121 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 269 nodes and edges [2024-11-13 21:20:39,123 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-13 21:20:39,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 21:20:39,128 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:20:39,198 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null 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) [2024-11-13 21:20:39,205 INFO L158 Benchmark]: Toolchain (without parser) took 33911.53ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 92.2MB in the beginning and 1.0GB in the end (delta: -908.8MB). Peak memory consumption was 207.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:39,206 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:39,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.65ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 60.0MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:20:39,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 261.16ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 77.7MB in the end (delta: -17.7MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 21:20:39,206 INFO L158 Benchmark]: Boogie Preprocessor took 218.51ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 70.5MB in the end (delta: 7.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:39,207 INFO L158 Benchmark]: RCFGBuilder took 4569.99ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 70.5MB in the beginning and 244.1MB in the end (delta: -173.6MB). Peak memory consumption was 148.6MB. Max. memory is 16.1GB. [2024-11-13 21:20:39,211 INFO L158 Benchmark]: CodeCheck took 28124.59ms. Allocated memory was 327.2MB in the beginning and 1.2GB in the end (delta: 906.0MB). Free memory was 244.1MB in the beginning and 1.0GB in the end (delta: -765.1MB). Peak memory consumption was 138.8MB. Max. memory is 16.1GB. [2024-11-13 21:20:39,211 INFO L158 Benchmark]: Witness Printer took 120.18ms. Allocated memory is still 1.2GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:39,213 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: 27.7s, 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, 3.9s 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, 68 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.65ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 60.0MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 261.16ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 77.7MB in the end (delta: -17.7MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 218.51ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 70.5MB in the end (delta: 7.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4569.99ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 70.5MB in the beginning and 244.1MB in the end (delta: -173.6MB). Peak memory consumption was 148.6MB. Max. memory is 16.1GB. * CodeCheck took 28124.59ms. Allocated memory was 327.2MB in the beginning and 1.2GB in the end (delta: 906.0MB). Free memory was 244.1MB in the beginning and 1.0GB in the end (delta: -765.1MB). Peak memory consumption was 138.8MB. Max. memory is 16.1GB. * Witness Printer took 120.18ms. Allocated memory is still 1.2GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is 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. [2024-11-13 21:20:39,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/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_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 21:20:41,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:42,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:20:42,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:42,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:42,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:42,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:42,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:42,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:42,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:42,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:42,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:42,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:42,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:42,152 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:42,153 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:42,153 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:20:42,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:42,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:42,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:42,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:42,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:42,154 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:20:42,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:42,154 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:20:42,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:20:42,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:42,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:42,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:42,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:42,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:42,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c Unable to find full path for "g++" [2024-11-13 21:20:44,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:44,716 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:44,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2024-11-13 21:20:44,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/data/aa38457ec/34e6a48f1f7d4e398c9e5d57b127ab08/FLAGa3ed508ef [2024-11-13 21:20:44,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/data/aa38457ec/34e6a48f1f7d4e398c9e5d57b127ab08 [2024-11-13 21:20:44,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:44,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:44,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:44,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:44,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:44,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:44" (1/1) ... [2024-11-13 21:20:44,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e64368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:44, skipping insertion in model container [2024-11-13 21:20:44,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:44" (1/1) ... [2024-11-13 21:20:45,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:45,219 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_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-13 21:20:45,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:45,537 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:45,549 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_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-13 21:20:45,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:45,697 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:45,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45 WrapperNode [2024-11-13 21:20:45,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:45,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:45,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:45,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:45,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,825 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 774 [2024-11-13 21:20:45,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:45,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:45,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:45,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:45,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:45,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:45,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:45,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:45,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:45" (1/1) ... [2024-11-13 21:20:45,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:45,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:45,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:45,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:20:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:46,264 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:46,266 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:47,387 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:47,388 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:47,465 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:47,466 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:20:47,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:47 BoogieIcfgContainer [2024-11-13 21:20:47,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:47,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:47,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:47,479 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:47,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:47" (1/1) ... [2024-11-13 21:20:47,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:47,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:20:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:20:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:20:47,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:47,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:47,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:20:47,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:20:47,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:20:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:48,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:20:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:48,602 WARN L253 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 216 conjuncts are in the unsatisfiable core [2024-11-13 21:20:48,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:20:53,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:20:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:20:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:20:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:20:54,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:54,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:54,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:20:54,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:20:54,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:20:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:55,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:20:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:55,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-13 21:20:55,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:20:59,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:21:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2024-11-13 21:21:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2024-11-13 21:21:04,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:21:04,350 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-13 21:21:04,362 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:21:05,081 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-13 21:21:05,082 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-13 21:21:05,082 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|)) [2024-11-13 21:21:05,082 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-13 21:21:05,083 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|)) [2024-11-13 21:21:05,083 INFO L77 FloydHoareUtils]: At program point L147-1(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|)) [2024-11-13 21:21:05,083 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:21:05,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:21:05 ImpRootNode [2024-11-13 21:21:05,095 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:21:05,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:21:05,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:21:05,096 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:21:05,096 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:47" (3/4) ... [2024-11-13 21:21:05,099 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:21:05,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 21:21:05,121 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:21:05,122 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:21:05,123 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:21:05,191 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null 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) [2024-11-13 21:21:05,196 INFO L158 Benchmark]: Toolchain (without parser) took 20244.98ms. Allocated memory was 83.9MB in the beginning and 503.3MB in the end (delta: 419.4MB). Free memory was 59.2MB in the beginning and 231.5MB in the end (delta: -172.3MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. [2024-11-13 21:21:05,196 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:05,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.40ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 29.8MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:21:05,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.47ms. Allocated memory is still 83.9MB. Free memory was 29.8MB in the beginning and 23.7MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:05,198 INFO L158 Benchmark]: Boogie Preprocessor took 77.74ms. Allocated memory is still 83.9MB. Free memory was 23.7MB in the beginning and 56.0MB in the end (delta: -32.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-13 21:21:05,199 INFO L158 Benchmark]: RCFGBuilder took 1562.87ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 56.0MB in the beginning and 52.7MB in the end (delta: 3.3MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-11-13 21:21:05,199 INFO L158 Benchmark]: CodeCheck took 17627.09ms. Allocated memory was 109.1MB in the beginning and 503.3MB in the end (delta: 394.3MB). Free memory was 52.7MB in the beginning and 239.6MB in the end (delta: -186.9MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. [2024-11-13 21:21:05,200 INFO L158 Benchmark]: Witness Printer took 99.57ms. Allocated memory is still 503.3MB. Free memory was 239.6MB in the beginning and 231.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:21:05,202 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: 16.8s, 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, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.9s 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, 476 SizeOfPredicates, 67 NumberOfNonLiveVariables, 1000 ConjunctsInSsa, 347 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.40ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 29.8MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.47ms. Allocated memory is still 83.9MB. Free memory was 29.8MB in the beginning and 23.7MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.74ms. Allocated memory is still 83.9MB. Free memory was 23.7MB in the beginning and 56.0MB in the end (delta: -32.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1562.87ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 56.0MB in the beginning and 52.7MB in the end (delta: 3.3MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * CodeCheck took 17627.09ms. Allocated memory was 109.1MB in the beginning and 503.3MB in the end (delta: 394.3MB). Free memory was 52.7MB in the beginning and 239.6MB in the end (delta: -186.9MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. * Witness Printer took 99.57ms. Allocated memory is still 503.3MB. Free memory was 239.6MB in the beginning and 231.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is 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. [2024-11-13 21:21:05,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1dffa-d0f9-4cd3-a6b1-39d5acbfeaea/bin/ukojak-verify-EEHR8qb7sm/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: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null