./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2 --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 5a1c69a049a9608f95ac90730c4f7554434241d21538bbd7cbbae38e9a8e04bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:14,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:14,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:54:14,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:14,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:14,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:14,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:14,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:14,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:14,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:14,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:14,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:14,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:14,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:14,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:14,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:14,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:14,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:14,295 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:14,296 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:14,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:14,297 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:14,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:14,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:14,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:14,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:14,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:14,299 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:14,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:14,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:14,301 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_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a1c69a049a9608f95ac90730c4f7554434241d21538bbd7cbbae38e9a8e04bb [2023-11-21 18:54:14,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:14,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:14,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:14,630 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:14,630 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:14,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c [2023-11-21 18:54:17,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:18,043 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:18,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c [2023-11-21 18:54:18,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/data/6f5ec736b/c10dceed1e7c49b9a39433e49630b15d/FLAGe351eb164 [2023-11-21 18:54:18,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/data/6f5ec736b/c10dceed1e7c49b9a39433e49630b15d [2023-11-21 18:54:18,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:18,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:18,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:18,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:18,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:18,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efe2002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18, skipping insertion in model container [2023-11-21 18:54:18,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,126 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:18,286 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_fbea5b8b-d25a-48cc-b828-2816d9b38247/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c[1248,1261] [2023-11-21 18:54:18,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:18,338 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:18,352 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_fbea5b8b-d25a-48cc-b828-2816d9b38247/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c[1248,1261] [2023-11-21 18:54:18,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:18,393 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:18,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18 WrapperNode [2023-11-21 18:54:18,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:18,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:18,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:18,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:18,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,482 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216 [2023-11-21 18:54:18,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:18,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:18,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:18,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:18,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:18,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:18,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:18,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:18,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:18" (1/1) ... [2023-11-21 18:54:18,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:18,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:18,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:18,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:18,785 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:18,788 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:19,327 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:19,643 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:19,644 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:54:19,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:19 BoogieIcfgContainer [2023-11-21 18:54:19,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:19,648 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:19,648 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:19,660 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:19,660 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:19" (1/1) ... [2023-11-21 18:54:19,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:54:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:54:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:54:19,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:19,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:20,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:54:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:20,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:54:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:54:20,549 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:54:20,585 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 18:54:20,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:54:20 ImpRootNode [2023-11-21 18:54:20,594 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:54:20,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:54:20,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:54:20,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:54:20,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:19" (3/4) ... [2023-11-21 18:54:20,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:54:20,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:54:20,605 INFO L158 Benchmark]: Toolchain (without parser) took 2532.84ms. Allocated memory is still 132.1MB. Free memory was 89.4MB in the beginning and 76.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-21 18:54:20,606 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 132.1MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:20,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.42ms. Allocated memory is still 132.1MB. Free memory was 89.4MB in the beginning and 77.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:54:20,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.85ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 73.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:54:20,609 INFO L158 Benchmark]: Boogie Preprocessor took 49.43ms. Allocated memory is still 132.1MB. Free memory was 73.8MB in the beginning and 72.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:20,612 INFO L158 Benchmark]: RCFGBuilder took 1113.08ms. Allocated memory is still 132.1MB. Free memory was 72.1MB in the beginning and 57.6MB in the end (delta: 14.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-21 18:54:20,613 INFO L158 Benchmark]: CodeCheck took 946.95ms. Allocated memory is still 132.1MB. Free memory was 57.6MB in the beginning and 76.2MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:20,614 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 132.1MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:20,624 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: 0.9s, 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 78, overapproximation of bitwiseAnd at line 69. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 32); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (32 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 1); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (1 - 1); [L32] const SORT_1 var_8 = 0; [L33] const SORT_4 var_21 = 1; [L35] SORT_1 input_2; [L36] SORT_1 input_3; [L37] SORT_4 input_5; [L38] SORT_1 input_6; [L39] SORT_4 input_7; [L41] EXPR __VERIFIER_nondet_uint() & mask_SORT_1 [L41] SORT_1 state_9 = __VERIFIER_nondet_uint() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uint() & mask_SORT_1 [L42] SORT_1 state_11 = __VERIFIER_nondet_uint() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uint() & mask_SORT_1 [L43] SORT_1 state_13 = __VERIFIER_nondet_uint() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uint() & mask_SORT_1 [L44] SORT_1 state_26 = __VERIFIER_nondet_uint() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uint() & mask_SORT_1 [L45] SORT_1 state_28 = __VERIFIER_nondet_uint() & mask_SORT_1; [L47] SORT_1 init_10_arg_1 = var_8; [L48] state_9 = init_10_arg_1 [L49] SORT_1 init_12_arg_1 = var_8; [L50] state_11 = init_12_arg_1 [L51] SORT_1 init_14_arg_1 = var_8; [L52] state_13 = init_14_arg_1 [L53] SORT_1 init_27_arg_1 = var_8; [L54] state_26 = init_27_arg_1 [L55] SORT_1 init_29_arg_1 = var_8; [L56] state_28 = init_29_arg_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, mask_SORT_1=4294967295, mask_SORT_4=1, msb_SORT_1=2147483648, msb_SORT_4=1, state_11=0, state_13=0, state_26=0, state_28=0, state_9=0, var_21=1, var_8=0] [L59] input_2 = __VERIFIER_nondet_uint() [L60] input_3 = __VERIFIER_nondet_uint() [L61] input_5 = __VERIFIER_nondet_uchar() [L62] input_6 = __VERIFIER_nondet_uint() [L63] input_7 = __VERIFIER_nondet_uchar() [L66] SORT_1 var_15_arg_0 = state_11; [L67] SORT_1 var_15_arg_1 = state_13; [L68] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L69] EXPR var_15 & mask_SORT_1 [L69] var_15 = var_15 & mask_SORT_1 [L70] SORT_1 var_16_arg_0 = state_9; [L71] SORT_1 var_16_arg_1 = var_15; [L72] SORT_4 var_16 = var_16_arg_0 == var_16_arg_1; [L73] SORT_1 var_17_arg_0 = state_9; [L74] SORT_1 var_17_arg_1 = var_8; [L75] SORT_4 var_17 = var_17_arg_0 == var_17_arg_1; [L76] SORT_4 var_18_arg_0 = var_16; [L77] SORT_4 var_18_arg_1 = var_17; [L78] EXPR var_18_arg_0 | var_18_arg_1 [L78] SORT_4 var_18 = var_18_arg_0 | var_18_arg_1; [L79] SORT_4 var_22_arg_0 = var_18; [L80] SORT_4 var_22 = ~var_22_arg_0; [L81] SORT_4 var_23_arg_0 = var_21; [L82] SORT_4 var_23_arg_1 = var_22; [L83] EXPR var_23_arg_0 & var_23_arg_1 [L83] SORT_4 var_23 = var_23_arg_0 & var_23_arg_1; [L84] EXPR var_23 & mask_SORT_4 [L84] var_23 = var_23 & mask_SORT_4 [L85] SORT_4 bad_24_arg_0 = var_23; [L86] CALL __VERIFIER_assert(!(bad_24_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 0.40ms. Allocated memory is still 132.1MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.42ms. Allocated memory is still 132.1MB. Free memory was 89.4MB in the beginning and 77.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.85ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 73.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.43ms. Allocated memory is still 132.1MB. Free memory was 73.8MB in the beginning and 72.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1113.08ms. Allocated memory is still 132.1MB. Free memory was 72.1MB in the beginning and 57.6MB in the end (delta: 14.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * CodeCheck took 946.95ms. Allocated memory is still 132.1MB. Free memory was 57.6MB in the beginning and 76.2MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 132.1MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:54:20,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/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_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2 --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 5a1c69a049a9608f95ac90730c4f7554434241d21538bbd7cbbae38e9a8e04bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:23,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:23,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:54:23,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:23,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:23,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:23,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:23,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:23,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:23,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:23,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:23,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:23,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:23,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:23,680 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:54:23,681 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:54:23,681 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:54:23,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:23,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:23,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:23,683 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:23,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:23,684 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:23,684 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:23,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:23,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:23,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:23,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:23,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:23,687 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:54:23,688 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:23,688 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:23,689 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:54:23,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:23,690 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_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a1c69a049a9608f95ac90730c4f7554434241d21538bbd7cbbae38e9a8e04bb [2023-11-21 18:54:24,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:24,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:24,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:24,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:24,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:24,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c [2023-11-21 18:54:27,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:27,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:27,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c [2023-11-21 18:54:27,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/data/6f5ca09e8/b7b270232cc04d5bad21a5a7596a4d13/FLAG4fb96e37d [2023-11-21 18:54:27,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/data/6f5ca09e8/b7b270232cc04d5bad21a5a7596a4d13 [2023-11-21 18:54:27,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:27,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:27,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:27,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:27,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:27,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:27" (1/1) ... [2023-11-21 18:54:27,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fb7943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:27, skipping insertion in model container [2023-11-21 18:54:27,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:27" (1/1) ... [2023-11-21 18:54:27,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:28,076 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_fbea5b8b-d25a-48cc-b828-2816d9b38247/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c[1248,1261] [2023-11-21 18:54:28,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:28,160 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:28,171 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_fbea5b8b-d25a-48cc-b828-2816d9b38247/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pipeline.c[1248,1261] [2023-11-21 18:54:28,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:28,212 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:28,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28 WrapperNode [2023-11-21 18:54:28,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:28,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:28,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:28,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:28,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,260 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2023-11-21 18:54:28,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:28,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:28,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:28,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:28,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:28,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:28,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:28,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:28,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:28,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:28,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:28,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:54:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:28,561 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:28,563 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:28,856 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:28,924 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:28,925 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:54:28,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:28 BoogieIcfgContainer [2023-11-21 18:54:28,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:28,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:28,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:28,939 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:28,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:28" (1/1) ... [2023-11-21 18:54:28,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:54:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:54:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:54:29,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:29,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:29,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:54:29,041 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:54:29,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:54:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:29,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:54:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:29,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:54:29,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:29,605 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:54:29,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:54:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-21 18:54:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-21 18:54:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:54:29,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:29,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:29,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:54:29,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:54:29,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:54:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:29,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:54:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:29,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 18:54:29,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:30,392 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:54:30,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-21 18:54:30,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2023-11-21 18:54:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2023-11-21 18:54:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:54:30,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:30,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:30,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:54:30,973 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:54:30,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:54:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:31,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:54:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:31,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-21 18:54:31,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:54:32,131 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:54:32,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:54:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 18 states and 36 transitions. [2023-11-21 18:54:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 36 transitions. [2023-11-21 18:54:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:54:34,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:34,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:34,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:54:34,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:54:34,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:54:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:54:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-21 18:54:35,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:54:36,105 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:54:36,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-21 18:54:38,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 21 states and 45 transitions. [2023-11-21 18:54:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 45 transitions. [2023-11-21 18:54:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:54:38,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:38,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:38,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:54:38,432 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:54:38,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:54:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:38,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:54:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:38,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-21 18:54:38,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:54:39,302 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:54:39,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-21 18:54:39,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2023-11-21 18:54:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2023-11-21 18:54:39,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:54:39,751 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-21 18:54:39,760 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-21 18:54:39,977 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-21 18:54:39,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:54:39 ImpRootNode [2023-11-21 18:54:39,991 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:54:39,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:54:39,993 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:54:39,993 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:54:39,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:28" (3/4) ... [2023-11-21 18:54:39,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:54:40,008 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-21 18:54:40,009 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 18:54:40,009 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:54:40,010 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:54:40,122 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:54:40,122 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:54:40,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:54:40,124 INFO L158 Benchmark]: Toolchain (without parser) took 12305.07ms. Allocated memory was 75.5MB in the beginning and 136.3MB in the end (delta: 60.8MB). Free memory was 51.9MB in the beginning and 106.2MB in the end (delta: -54.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-21 18:54:40,124 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:40,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.28ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 39.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:54:40,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.35ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:40,125 INFO L158 Benchmark]: Boogie Preprocessor took 35.19ms. Allocated memory is still 75.5MB. Free memory was 37.3MB in the beginning and 35.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:40,126 INFO L158 Benchmark]: RCFGBuilder took 626.17ms. Allocated memory is still 75.5MB. Free memory was 35.9MB in the beginning and 43.1MB in the end (delta: -7.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-21 18:54:40,126 INFO L158 Benchmark]: CodeCheck took 11062.96ms. Allocated memory was 75.5MB in the beginning and 136.3MB in the end (delta: 60.8MB). Free memory was 43.1MB in the beginning and 111.4MB in the end (delta: -68.4MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2023-11-21 18:54:40,127 INFO L158 Benchmark]: Witness Printer took 130.44ms. Allocated memory is still 136.3MB. Free memory was 111.4MB in the beginning and 106.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:54:40,129 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: 10.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 367 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 5 mSDtfsCounter, 367 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 527 GetRequests, 432 SyntacticMatches, 19 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2353 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 174 NumberOfNonLiveVariables, 664 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 20/39 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: 57]: Loop Invariant Derived loop invariant: (((((state_9 == var_8) && (var_8 == 0)) && (((mask_SORT_1 + 1) % 4294967296) == 0)) && (1 == mask_SORT_4)) || ((((var_8 == 0) && ((-1 & ((state_13 + state_11) % 4294967296)) == state_9)) && (((mask_SORT_1 + 1) % 4294967296) == 0)) && (1 == mask_SORT_4))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.28ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 39.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.35ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 37.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.19ms. Allocated memory is still 75.5MB. Free memory was 37.3MB in the beginning and 35.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.17ms. Allocated memory is still 75.5MB. Free memory was 35.9MB in the beginning and 43.1MB in the end (delta: -7.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * CodeCheck took 11062.96ms. Allocated memory was 75.5MB in the beginning and 136.3MB in the end (delta: 60.8MB). Free memory was 43.1MB in the beginning and 111.4MB in the end (delta: -68.4MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Witness Printer took 130.44ms. Allocated memory is still 136.3MB. Free memory was 111.4MB in the beginning and 106.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:54:40,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbea5b8b-d25a-48cc-b828-2816d9b38247/bin/ukojak-verify-i0I2FZA1j2/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