./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/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_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3 --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-d790fec [2024-11-25 01:57:57,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:57,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 01:57:57,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:57,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:57,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:57,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:57,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:57,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:57,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:57,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:57,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:57,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:57,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:57,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:57,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:57,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:57,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:57,575 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:57,575 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:57,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:57,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:57,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:57,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:57,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:57,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:57,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:57,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:57,576 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:57,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:57,576 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_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 01:57:57,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:57,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:57,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:57,939 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:57,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:57,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2024-11-25 01:58:01,376 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/data/402a17dc5/28ed5610982f4642984c8856c1552a8f/FLAG03258d644 [2024-11-25 01:58:01,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:01,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2024-11-25 01:58:01,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/data/402a17dc5/28ed5610982f4642984c8856c1552a8f/FLAG03258d644 [2024-11-25 01:58:01,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/data/402a17dc5/28ed5610982f4642984c8856c1552a8f [2024-11-25 01:58:01,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:01,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:01,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:01,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:01,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:01,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:01" (1/1) ... [2024-11-25 01:58:01,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4397f147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:01, skipping insertion in model container [2024-11-25 01:58:01,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:01" (1/1) ... [2024-11-25 01:58:02,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:02,214 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_12368826-9224-4a5f-96cd-65377b96e87a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-25 01:58:02,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:02,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:02,548 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_12368826-9224-4a5f-96cd-65377b96e87a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c[1251,1264] [2024-11-25 01:58:02,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:02,733 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:02,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02 WrapperNode [2024-11-25 01:58:02,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:02,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:02,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:02,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:02,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,919 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1334 [2024-11-25 01:58:02,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:02,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:02,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:02,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:02,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:02,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:03,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:03,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:03,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:03,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:03,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:03,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:03,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:03,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:03,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:03,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:02" (1/1) ... [2024-11-25 01:58:03,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:03,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:03,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:03,547 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:03,549 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:06,284 INFO L? ?]: Removed 791 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:06,284 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:08,167 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:08,168 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:58:08,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:08 BoogieIcfgContainer [2024-11-25 01:58:08,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:08,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:08,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:08,180 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:08,180 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:08" (1/1) ... [2024-11-25 01:58:08,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 01:58:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 01:58:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:58:08,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 01:58:18,048 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 01:58:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:58:18,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:18,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:36,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 01:58:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2024-11-25 01:58:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2024-11-25 01:58:38,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 01:58:38,711 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-25 01:58:38,718 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 01:58:39,121 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-25 01:58:39,121 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-25 01:58:39,123 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)) [2024-11-25 01:58:39,127 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)) [2024-11-25 01:58:39,127 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-25 01:58:39,127 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)) [2024-11-25 01:58:39,128 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 01:58:39,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:39 ImpRootNode [2024-11-25 01:58:39,152 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:39,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:39,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:39,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:39,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:08" (3/4) ... [2024-11-25 01:58:39,158 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 01:58:39,192 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 269 nodes and edges [2024-11-25 01:58:39,194 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-25 01:58:39,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-25 01:58:39,199 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 01:58:39,398 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:58:39,398 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:58:39,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:39,400 INFO L158 Benchmark]: Toolchain (without parser) took 37466.71ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 116.9MB in the beginning and 807.3MB in the end (delta: -690.4MB). Peak memory consumption was 396.2MB. Max. memory is 16.1GB. [2024-11-25 01:58:39,400 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:39,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.07ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 84.7MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 01:58:39,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 184.16ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 59.4MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 01:58:39,403 INFO L158 Benchmark]: Boogie Preprocessor took 216.54ms. Allocated memory is still 142.6MB. Free memory was 59.4MB in the beginning and 97.9MB in the end (delta: -38.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-25 01:58:39,404 INFO L158 Benchmark]: RCFGBuilder took 5030.33ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 97.9MB in the beginning and 276.8MB in the end (delta: -178.9MB). Peak memory consumption was 262.3MB. Max. memory is 16.1GB. [2024-11-25 01:58:39,405 INFO L158 Benchmark]: CodeCheck took 30983.14ms. Allocated memory was 419.4MB in the beginning and 1.2GB in the end (delta: 813.7MB). Free memory was 276.8MB in the beginning and 824.1MB in the end (delta: -547.3MB). Peak memory consumption was 266.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:39,406 INFO L158 Benchmark]: Witness Printer took 245.72ms. Allocated memory is still 1.2GB. Free memory was 824.1MB in the beginning and 807.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:39,408 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: 30.5s, 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, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 4.6s 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, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 19.5s 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, ConComCheckerStatistics: 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 0.69ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.07ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 84.7MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 184.16ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 59.4MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 216.54ms. Allocated memory is still 142.6MB. Free memory was 59.4MB in the beginning and 97.9MB in the end (delta: -38.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5030.33ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 97.9MB in the beginning and 276.8MB in the end (delta: -178.9MB). Peak memory consumption was 262.3MB. Max. memory is 16.1GB. * CodeCheck took 30983.14ms. Allocated memory was 419.4MB in the beginning and 1.2GB in the end (delta: 813.7MB). Free memory was 276.8MB in the beginning and 824.1MB in the end (delta: -547.3MB). Peak memory consumption was 266.4MB. Max. memory is 16.1GB. * Witness Printer took 245.72ms. Allocated memory is still 1.2GB. Free memory was 824.1MB in the beginning and 807.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 01:58:39,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12368826-9224-4a5f-96cd-65377b96e87a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE