./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9 --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 827228a8fb731d7038bb1b8c7cce3c35edda9a5c3ee552084966688fbdc104d2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:07:29,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:07:29,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:07:29,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:07:29,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:07:29,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:07:29,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:07:29,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:07:29,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:07:29,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:07:29,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:07:29,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:07:29,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:07:29,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:07:29,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:07:29,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:07:29,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:07:29,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:07:29,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:07:29,375 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:07:29,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:07:29,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:07:29,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:07:29,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:07:29,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:07:29,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:07:29,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:07:29,380 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:07:29,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:07:29,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:07:29,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 827228a8fb731d7038bb1b8c7cce3c35edda9a5c3ee552084966688fbdc104d2 [2023-12-03 02:07:29,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:07:29,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:07:29,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:07:29,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:07:29,643 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:07:29,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2023-12-03 02:07:32,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:07:32,703 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:07:32,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2023-12-03 02:07:32,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/data/01b051748/6e02e7cba85849d58e3a858da5840a0b/FLAGa8711eabe [2023-12-03 02:07:32,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/data/01b051748/6e02e7cba85849d58e3a858da5840a0b [2023-12-03 02:07:32,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:07:32,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:07:32,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:07:32,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:07:32,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:07:32,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:32" (1/1) ... [2023-12-03 02:07:32,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e5e56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:32, skipping insertion in model container [2023-12-03 02:07:32,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:32" (1/1) ... [2023-12-03 02:07:32,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:07:32,951 WARN L240 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_970da80b-1c5f-42c5-80a6-68a281d1a9d7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1250,1263] [2023-12-03 02:07:33,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:33,033 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:07:33,048 WARN L240 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_970da80b-1c5f-42c5-80a6-68a281d1a9d7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1250,1263] [2023-12-03 02:07:33,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:33,107 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:07:33,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33 WrapperNode [2023-12-03 02:07:33,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:07:33,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:07:33,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:07:33,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:07:33,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,194 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 346 [2023-12-03 02:07:33,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:07:33,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:07:33,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:07:33,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:07:33,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:07:33,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:07:33,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:07:33,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:07:33,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:33" (1/1) ... [2023-12-03 02:07:33,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:07:33,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:07:33,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:07:33,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:07:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:07:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:07:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:07:33,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:07:33,448 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:07:33,450 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:07:33,980 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:07:34,378 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:07:34,378 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:07:34,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:34 BoogieIcfgContainer [2023-12-03 02:07:34,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:07:34,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:07:34,381 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:07:34,393 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:07:34,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:34" (1/1) ... [2023-12-03 02:07:34,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:07:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:07:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:07:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:07:34,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:34,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:07:34,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:07:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:07:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:07:35,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:07:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:07:35,493 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:07:35,521 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 02:07:35,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:07:35 ImpRootNode [2023-12-03 02:07:35,528 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:07:35,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:07:35,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:07:35,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:07:35,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:34" (3/4) ... [2023-12-03 02:07:35,533 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:07:35,534 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:07:35,535 INFO L158 Benchmark]: Toolchain (without parser) took 2797.04ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 104.4MB in the beginning and 54.8MB in the end (delta: 49.6MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2023-12-03 02:07:35,536 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:07:35,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.05ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 89.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:07:35,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.07ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 81.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:07:35,538 INFO L158 Benchmark]: Boogie Preprocessor took 74.28ms. Allocated memory is still 146.8MB. Free memory was 81.9MB in the beginning and 78.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:07:35,539 INFO L158 Benchmark]: RCFGBuilder took 1109.74ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 78.7MB in the beginning and 134.5MB in the end (delta: -55.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2023-12-03 02:07:35,540 INFO L158 Benchmark]: CodeCheck took 1147.54ms. Allocated memory is still 180.4MB. Free memory was 134.5MB in the beginning and 55.9MB in the end (delta: 78.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2023-12-03 02:07:35,540 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 180.4MB. Free memory was 55.9MB in the beginning and 54.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:07:35,544 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: 1.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 81, overapproximation of bitwiseAnd at line 64. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L35] const SORT_52 mask_SORT_52 = (SORT_52)-1 >> (sizeof(SORT_52) * 8 - 2); [L36] const SORT_52 msb_SORT_52 = (SORT_52)1 << (2 - 1); [L38] const SORT_54 mask_SORT_54 = (SORT_54)-1 >> (sizeof(SORT_54) * 8 - 3); [L39] const SORT_54 msb_SORT_54 = (SORT_54)1 << (3 - 1); [L41] const SORT_4 var_5 = 0; [L42] const SORT_8 var_10 = 0; [L43] const SORT_8 var_13 = 1; [L44] const SORT_8 var_17 = 2; [L45] const SORT_8 var_21 = 3; [L46] const SORT_8 var_25 = 4; [L47] const SORT_1 var_30 = 1; [L48] const SORT_4 var_41 = 1; [L49] const SORT_4 var_44 = 4; [L50] const SORT_4 var_45 = 3; [L51] const SORT_4 var_50 = 2; [L53] SORT_1 input_2; [L54] SORT_1 input_3; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L56] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L58] SORT_4 init_7_arg_1 = var_5; [L59] state_6 = init_7_arg_1 VAL [init_7_arg_1=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_13=1, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_50=2, var_5=0] [L62] input_2 = __VERIFIER_nondet_uchar() [L63] input_3 = __VERIFIER_nondet_uchar() [L64] EXPR input_3 & mask_SORT_1 [L64] input_3 = input_3 & mask_SORT_1 [L67] SORT_4 var_9_arg_0 = state_6; [L68] EXPR var_9_arg_0 & mask_SORT_4 [L68] var_9_arg_0 = var_9_arg_0 & mask_SORT_4 [L69] SORT_8 var_9 = var_9_arg_0; [L70] SORT_8 var_11_arg_0 = var_9; [L71] SORT_8 var_11_arg_1 = var_10; [L72] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L73] SORT_4 var_12_arg_0 = state_6; [L74] EXPR var_12_arg_0 & mask_SORT_4 [L74] var_12_arg_0 = var_12_arg_0 & mask_SORT_4 [L75] SORT_8 var_12 = var_12_arg_0; [L76] SORT_8 var_14_arg_0 = var_12; [L77] SORT_8 var_14_arg_1 = var_13; [L78] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L79] SORT_1 var_15_arg_0 = var_11; [L80] SORT_1 var_15_arg_1 = var_14; [L81] EXPR var_15_arg_0 | var_15_arg_1 [L81] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L82] SORT_4 var_16_arg_0 = state_6; [L83] EXPR var_16_arg_0 & mask_SORT_4 [L83] var_16_arg_0 = var_16_arg_0 & mask_SORT_4 [L84] SORT_8 var_16 = var_16_arg_0; [L85] SORT_8 var_18_arg_0 = var_16; [L86] SORT_8 var_18_arg_1 = var_17; [L87] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L88] SORT_1 var_19_arg_0 = var_15; [L89] SORT_1 var_19_arg_1 = var_18; [L90] EXPR var_19_arg_0 | var_19_arg_1 [L90] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L91] SORT_4 var_20_arg_0 = state_6; [L92] EXPR var_20_arg_0 & mask_SORT_4 [L92] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L93] SORT_8 var_20 = var_20_arg_0; [L94] SORT_8 var_22_arg_0 = var_20; [L95] SORT_8 var_22_arg_1 = var_21; [L96] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L97] SORT_1 var_23_arg_0 = var_19; [L98] SORT_1 var_23_arg_1 = var_22; [L99] EXPR var_23_arg_0 | var_23_arg_1 [L99] SORT_1 var_23 = var_23_arg_0 | var_23_arg_1; [L100] SORT_4 var_24_arg_0 = state_6; [L101] EXPR var_24_arg_0 & mask_SORT_4 [L101] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L102] SORT_8 var_24 = var_24_arg_0; [L103] SORT_8 var_26_arg_0 = var_24; [L104] SORT_8 var_26_arg_1 = var_25; [L105] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L106] SORT_1 var_27_arg_0 = var_23; [L107] SORT_1 var_27_arg_1 = var_26; [L108] EXPR var_27_arg_0 | var_27_arg_1 [L108] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L109] SORT_1 var_31_arg_0 = var_27; [L110] SORT_1 var_31 = ~var_31_arg_0; [L111] SORT_1 var_32_arg_0 = var_30; [L112] SORT_1 var_32_arg_1 = var_31; [L113] EXPR var_32_arg_0 & var_32_arg_1 [L113] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L114] EXPR var_32 & mask_SORT_1 [L114] var_32 = var_32 & mask_SORT_1 [L115] SORT_1 bad_33_arg_0 = var_32; [L116] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.05ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 89.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.07ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 81.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.28ms. Allocated memory is still 146.8MB. Free memory was 81.9MB in the beginning and 78.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1109.74ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 78.7MB in the beginning and 134.5MB in the end (delta: -55.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * CodeCheck took 1147.54ms. Allocated memory is still 180.4MB. Free memory was 134.5MB in the beginning and 55.9MB in the end (delta: 78.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 180.4MB. Free memory was 55.9MB in the beginning and 54.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:07:35,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9 --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 827228a8fb731d7038bb1b8c7cce3c35edda9a5c3ee552084966688fbdc104d2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:07:37,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:07:37,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 02:07:37,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:07:37,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:07:37,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:07:37,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:07:37,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:07:37,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:07:37,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:07:37,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:07:37,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:07:37,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:07:37,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:07:37,916 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:07:37,916 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:07:37,917 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:07:37,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:07:37,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:07:37,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:07:37,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:07:37,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:07:37,924 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:37,924 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:07:37,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:07:37,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:07:37,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:07:37,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:07:37,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:07:37,926 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:07:37,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:37,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:07:37,927 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:07:37,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:07:37,928 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 827228a8fb731d7038bb1b8c7cce3c35edda9a5c3ee552084966688fbdc104d2 [2023-12-03 02:07:38,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:07:38,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:07:38,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:07:38,276 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:07:38,277 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:07:38,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2023-12-03 02:07:41,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:07:41,371 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:07:41,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2023-12-03 02:07:41,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/data/7496e6137/42e522b4644043ab8cd33ab1c7ea2cf3/FLAG718ae2887 [2023-12-03 02:07:41,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/data/7496e6137/42e522b4644043ab8cd33ab1c7ea2cf3 [2023-12-03 02:07:41,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:07:41,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:07:41,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:07:41,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:07:41,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:07:41,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8bfa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41, skipping insertion in model container [2023-12-03 02:07:41,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:07:41,616 WARN L240 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_970da80b-1c5f-42c5-80a6-68a281d1a9d7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1250,1263] [2023-12-03 02:07:41,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:41,710 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:07:41,725 WARN L240 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_970da80b-1c5f-42c5-80a6-68a281d1a9d7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1250,1263] [2023-12-03 02:07:41,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:41,789 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:07:41,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41 WrapperNode [2023-12-03 02:07:41,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:07:41,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:07:41,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:07:41,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:07:41,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,850 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 166 [2023-12-03 02:07:41,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:07:41,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:07:41,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:07:41,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:07:41,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:07:41,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:07:41,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:07:41,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:07:41,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:41" (1/1) ... [2023-12-03 02:07:41,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:07:41,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:07:41,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:07:41,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:07:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:07:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:07:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:07:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:07:42,104 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:07:42,106 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:07:42,329 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:07:42,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:07:42,373 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:07:42,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:42 BoogieIcfgContainer [2023-12-03 02:07:42,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:07:42,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:07:42,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:07:42,385 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:07:42,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:42" (1/1) ... [2023-12-03 02:07:42,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:07:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:42,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:07:42,456 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:07:42,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:07:42,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:42,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:42,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:42,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:42,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:07:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:42,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:42,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 02:07:42,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:42,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:07:43,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 02:07:43,064 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 02:07:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:07:43,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:43,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:43,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:43,067 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:43,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:07:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:43,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:43,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-03 02:07:43,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:44,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:07:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-12-03 02:07:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-12-03 02:07:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:07:45,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:45,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:45,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:45,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:07:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:45,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:45,461 WARN L260 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 160 conjunts are in the unsatisfiable core [2023-12-03 02:07:45,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:51,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:07:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2023-12-03 02:07:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2023-12-03 02:07:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:07:54,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:54,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:54,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:54,335 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:54,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:07:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:54,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:54,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 165 conjunts are in the unsatisfiable core [2023-12-03 02:07:54,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:59,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:07:59,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:08:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 43 transitions. [2023-12-03 02:08:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 43 transitions. [2023-12-03 02:08:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:08:02,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:02,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:02,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:02,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:02,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:08:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:02,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:02,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 161 conjunts are in the unsatisfiable core [2023-12-03 02:08:02,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:08:05,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:08:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 02:08:06,196 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 02:08:06,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:08:06,196 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-03 02:08:06,206 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:08:06,474 INFO L560 CodeCheckObserver]: Invariant with dag size 51 [2023-12-03 02:08:06,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:08:06 ImpRootNode [2023-12-03 02:08:06,483 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:08:06,483 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:08:06,483 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:08:06,483 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:08:06,484 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:42" (3/4) ... [2023-12-03 02:08:06,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:08:06,491 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 02:08:06,492 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 02:08:06,492 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:08:06,493 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:08:06,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:08:06,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:08:06,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:08:06,598 INFO L158 Benchmark]: Toolchain (without parser) took 25198.01ms. Allocated memory was 81.8MB in the beginning and 383.8MB in the end (delta: 302.0MB). Free memory was 57.7MB in the beginning and 255.5MB in the end (delta: -197.8MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. [2023-12-03 02:08:06,598 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:08:06,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.79ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 43.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:08:06,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.10ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 40.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:08:06,599 INFO L158 Benchmark]: Boogie Preprocessor took 52.13ms. Allocated memory is still 81.8MB. Free memory was 40.6MB in the beginning and 60.2MB in the end (delta: -19.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-12-03 02:08:06,599 INFO L158 Benchmark]: RCFGBuilder took 470.65ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 38.5MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:08:06,600 INFO L158 Benchmark]: CodeCheck took 24107.11ms. Allocated memory was 81.8MB in the beginning and 383.8MB in the end (delta: 302.0MB). Free memory was 38.5MB in the beginning and 261.8MB in the end (delta: -223.3MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-12-03 02:08:06,600 INFO L158 Benchmark]: Witness Printer took 113.75ms. Allocated memory is still 383.8MB. Free memory was 261.8MB in the beginning and 255.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:08:06,602 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: 23.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 5 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 503 GetRequests, 406 SyntacticMatches, 17 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2676 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 3 QuantifiedInterpolants, 1898 SizeOfPredicates, 596 NumberOfNonLiveVariables, 1351 ConjunctsInSsa, 586 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 2/39 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: 60]: Loop Invariant Derived loop invariant: (((((((((((((((((1 == mask_SORT_1) && (((1 + mask_SORT_4) % 256) == 0)) && (mask_SORT_52 == 3)) && (var_5 == 0)) && (1 == state_6)) && (4 == var_44)) && (var_13 == 1)) && (7 == mask_SORT_54)) && (1 == var_41)) && (2 == var_17)) && (var_10 == 0)) && (3 == var_21)) && (var_45 == 3)) && (4 == var_25)) && (1 == var_30)) || (((((((((((((((1 == mask_SORT_1) && (((1 + mask_SORT_4) % 256) == 0)) && (mask_SORT_52 == 3)) && (var_5 == 0)) && (4 == var_44)) && (var_13 == 1)) && (7 == mask_SORT_54)) && (1 == var_41)) && (2 == var_17)) && (((4 == state_6) || (2 == state_6)) || (state_6 == 3))) && (var_10 == 0)) && (3 == var_21)) && (var_45 == 3)) && (4 == var_25)) && (1 == var_30))) || (((((((((((((((1 == mask_SORT_1) && (((1 + mask_SORT_4) % 256) == 0)) && (mask_SORT_52 == 3)) && (var_5 == 0)) && (4 == var_44)) && (var_13 == 1)) && (7 == mask_SORT_54)) && (1 == var_41)) && (state_6 == 0)) && (2 == var_17)) && (var_10 == 0)) && (3 == var_21)) && (var_45 == 3)) && (4 == var_25)) && (1 == var_30))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.79ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 43.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.10ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 40.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.13ms. Allocated memory is still 81.8MB. Free memory was 40.6MB in the beginning and 60.2MB in the end (delta: -19.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 470.65ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 38.5MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 24107.11ms. Allocated memory was 81.8MB in the beginning and 383.8MB in the end (delta: 302.0MB). Free memory was 38.5MB in the beginning and 261.8MB in the end (delta: -223.3MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Witness Printer took 113.75ms. Allocated memory is still 383.8MB. Free memory was 261.8MB in the beginning and 255.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:08:06,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_970da80b-1c5f-42c5-80a6-68a281d1a9d7/bin/ukojak-verify-Qdu7aM0XO9/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