./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:28:06,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:28:06,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:28:06,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:28:06,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:28:06,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:28:06,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:28:06,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:28:06,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:28:06,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:28:06,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:28:06,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:28:06,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:28:06,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:28:06,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:28:06,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:28:06,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:28:06,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:28:06,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:28:06,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:28:06,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:28:06,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:28:06,511 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:28:06,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:28:06,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:28:06,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:28:06,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:28:06,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:28:06,512 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:28:06,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:28:06,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 [2024-11-13 20:28:06,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:28:06,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:28:06,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:28:06,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:28:06,899 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:28:06,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 20:28:08,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:28:09,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:28:09,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-11-13 20:28:09,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/data/768727c7f/a40bc5cc36544f6f8b7e4ec1db425313/FLAG25c681a98 [2024-11-13 20:28:09,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/data/768727c7f/a40bc5cc36544f6f8b7e4ec1db425313 [2024-11-13 20:28:09,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:28:09,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:28:09,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:28:09,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:28:09,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:28:09,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:28:09" (1/1) ... [2024-11-13 20:28:09,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a655f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:09, skipping insertion in model container [2024-11-13 20:28:09,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:28:09" (1/1) ... [2024-11-13 20:28:09,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:28:09,864 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1170,1183] [2024-11-13 20:28:10,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:28:10,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:28:10,654 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1170,1183] [2024-11-13 20:28:11,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:28:11,047 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:28:11,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11 WrapperNode [2024-11-13 20:28:11,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:28:11,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:28:11,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:28:11,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:28:11,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:11,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:12,363 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7903 [2024-11-13 20:28:12,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:28:12,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:28:12,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:28:12,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:28:12,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:12,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:12,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:12,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:13,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:13,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:13,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:13,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:13,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:28:13,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:28:13,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:28:13,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:28:13,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:11" (1/1) ... [2024-11-13 20:28:13,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:28:13,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:28:13,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:28:13,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:28:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:28:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:28:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:28:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:28:14,476 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:28:14,479 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:28:28,614 INFO L? ?]: Removed 4470 outVars from TransFormulas that were not future-live. [2024-11-13 20:28:28,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:28:44,263 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:28:44,263 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:28:44,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:28:44 BoogieIcfgContainer [2024-11-13 20:28:44,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:28:44,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:28:44,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:28:44,278 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:28:44,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:28:44" (1/1) ... [2024-11-13 20:28:44,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:28:44,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:28:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:28:44,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:28:44,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:44,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:28:45,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:28:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:28:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:28:46,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:28:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:28:47,729 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:28:47,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:28:47 ImpRootNode [2024-11-13 20:28:47,793 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:28:47,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:28:47,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:28:47,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:28:47,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:28:44" (3/4) ... [2024-11-13 20:28:47,798 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:28:47,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:28:47,805 INFO L158 Benchmark]: Toolchain (without parser) took 38307.10ms. Allocated memory was 117.4MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 88.5MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 20:28:47,806 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:28:47,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1552.24ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 59.3MB in the end (delta: 29.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-11-13 20:28:47,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 1318.11ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 59.3MB in the beginning and 361.5MB in the end (delta: -302.2MB). Peak memory consumption was 189.9MB. Max. memory is 16.1GB. [2024-11-13 20:28:47,807 INFO L158 Benchmark]: Boogie Preprocessor took 1067.59ms. Allocated memory is still 536.9MB. Free memory was 361.5MB in the beginning and 303.9MB in the end (delta: 57.6MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2024-11-13 20:28:47,808 INFO L158 Benchmark]: RCFGBuilder took 30827.22ms. Allocated memory was 536.9MB in the beginning and 4.0GB in the end (delta: 3.5GB). Free memory was 303.9MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-13 20:28:47,810 INFO L158 Benchmark]: CodeCheck took 3527.92ms. Allocated memory is still 4.0GB. Free memory was 3.2GB in the beginning and 3.0GB in the end (delta: 206.2MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. [2024-11-13 20:28:47,811 INFO L158 Benchmark]: Witness Printer took 6.66ms. Allocated memory is still 4.0GB. Free memory is still 3.0GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:28:47,814 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: 3.4s, 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: 0.2s SsaConstructionTime, 0.4s 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 bitwiseAnd at line 214, overapproximation of bitwiseAnd at line 84. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_25 = 0; [L37] const SORT_3 var_88 = 1; [L38] const SORT_3 var_89 = 0; [L39] const SORT_2 var_98 = 255; [L40] const SORT_2 var_100 = 0; [L41] const SORT_2 var_103 = 2; [L42] const SORT_2 var_107 = 1; [L44] SORT_1 input_99; [L45] SORT_1 input_104; [L46] SORT_1 input_108; [L47] SORT_1 input_111; [L48] SORT_1 input_123; [L49] SORT_1 input_135; [L50] SORT_1 input_147; [L51] SORT_1 input_150; [L52] SORT_1 input_153; [L53] SORT_1 input_156; [L54] SORT_1 input_166; [L55] SORT_1 input_176; [L56] SORT_1 input_186; [L57] SORT_1 input_187; [L58] SORT_1 input_188; [L59] SORT_1 input_189; [L60] SORT_1 input_190; [L61] SORT_1 input_191; [L62] SORT_1 input_215; [L63] SORT_1 input_217; [L64] SORT_1 input_227; [L65] SORT_1 input_232; [L66] SORT_1 input_234; [L67] SORT_1 input_239; [L68] SORT_1 input_243; [L69] SORT_1 input_258; [L70] SORT_1 input_260; [L71] SORT_1 input_270; [L72] SORT_1 input_275; [L73] SORT_1 input_277; [L74] SORT_1 input_282; [L75] SORT_1 input_286; [L76] SORT_1 input_301; [L77] SORT_1 input_303; [L78] SORT_1 input_313; [L79] SORT_1 input_318; [L80] SORT_1 input_320; [L81] SORT_1 input_325; [L82] SORT_1 input_329; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L91] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L92] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L93] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L101] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L102] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L103] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L104] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_2 init_6_arg_1 = var_4; [L127] state_5 = init_6_arg_1 [L128] SORT_2 init_8_arg_1 = var_4; [L129] state_7 = init_8_arg_1 [L130] SORT_2 init_10_arg_1 = var_4; [L131] state_9 = init_10_arg_1 [L132] SORT_2 init_12_arg_1 = var_4; [L133] state_11 = init_12_arg_1 [L134] SORT_2 init_14_arg_1 = var_4; [L135] state_13 = init_14_arg_1 [L136] SORT_2 init_16_arg_1 = var_4; [L137] state_15 = init_16_arg_1 [L138] SORT_2 init_18_arg_1 = var_4; [L139] state_17 = init_18_arg_1 [L140] SORT_2 init_20_arg_1 = var_4; [L141] state_19 = init_20_arg_1 [L142] SORT_2 init_22_arg_1 = var_4; [L143] state_21 = init_22_arg_1 [L144] SORT_2 init_24_arg_1 = var_4; [L145] state_23 = init_24_arg_1 [L146] SORT_1 init_27_arg_1 = var_25; [L147] state_26 = init_27_arg_1 [L148] SORT_1 init_29_arg_1 = var_25; [L149] state_28 = init_29_arg_1 [L150] SORT_1 init_31_arg_1 = var_25; [L151] state_30 = init_31_arg_1 [L152] SORT_1 init_33_arg_1 = var_25; [L153] state_32 = init_33_arg_1 [L154] SORT_1 init_35_arg_1 = var_25; [L155] state_34 = init_35_arg_1 [L156] SORT_1 init_37_arg_1 = var_25; [L157] state_36 = init_37_arg_1 [L158] SORT_1 init_39_arg_1 = var_25; [L159] state_38 = init_39_arg_1 [L160] SORT_1 init_41_arg_1 = var_25; [L161] state_40 = init_41_arg_1 [L162] SORT_1 init_43_arg_1 = var_25; [L163] state_42 = init_43_arg_1 [L164] SORT_1 init_45_arg_1 = var_25; [L165] state_44 = init_45_arg_1 [L166] SORT_1 init_47_arg_1 = var_25; [L167] state_46 = init_47_arg_1 [L168] SORT_1 init_49_arg_1 = var_25; [L169] state_48 = init_49_arg_1 [L170] SORT_1 init_51_arg_1 = var_25; [L171] state_50 = init_51_arg_1 [L172] SORT_1 init_53_arg_1 = var_25; [L173] state_52 = init_53_arg_1 [L174] SORT_1 init_55_arg_1 = var_25; [L175] state_54 = init_55_arg_1 [L176] SORT_1 init_57_arg_1 = var_25; [L177] state_56 = init_57_arg_1 [L178] SORT_1 init_59_arg_1 = var_25; [L179] state_58 = init_59_arg_1 [L180] SORT_1 init_61_arg_1 = var_25; [L181] state_60 = init_61_arg_1 [L182] SORT_1 init_63_arg_1 = var_25; [L183] state_62 = init_63_arg_1 [L184] SORT_1 init_65_arg_1 = var_25; [L185] state_64 = init_65_arg_1 [L186] SORT_1 init_67_arg_1 = var_25; [L187] state_66 = init_67_arg_1 [L188] SORT_1 init_69_arg_1 = var_25; [L189] state_68 = init_69_arg_1 [L190] SORT_1 init_71_arg_1 = var_25; [L191] state_70 = init_71_arg_1 [L192] SORT_1 init_73_arg_1 = var_25; [L193] state_72 = init_73_arg_1 [L194] SORT_1 init_75_arg_1 = var_25; [L195] state_74 = init_75_arg_1 [L196] SORT_1 init_77_arg_1 = var_25; [L197] state_76 = init_77_arg_1 [L198] SORT_1 init_79_arg_1 = var_25; [L199] state_78 = init_79_arg_1 [L200] SORT_1 init_81_arg_1 = var_25; [L201] state_80 = init_81_arg_1 [L202] SORT_1 init_83_arg_1 = var_25; [L203] state_82 = init_83_arg_1 [L204] SORT_1 init_85_arg_1 = var_25; [L205] state_84 = init_85_arg_1 [L206] SORT_1 init_87_arg_1 = var_25; [L207] state_86 = init_87_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L210] input_99 = __VERIFIER_nondet_uchar() [L211] input_104 = __VERIFIER_nondet_uchar() [L212] input_108 = __VERIFIER_nondet_uchar() [L213] input_111 = __VERIFIER_nondet_uchar() [L214] EXPR input_111 & mask_SORT_1 [L214] input_111 = input_111 & mask_SORT_1 [L215] input_123 = __VERIFIER_nondet_uchar() [L216] EXPR input_123 & mask_SORT_1 [L216] input_123 = input_123 & mask_SORT_1 [L217] input_135 = __VERIFIER_nondet_uchar() [L218] EXPR input_135 & mask_SORT_1 [L218] input_135 = input_135 & mask_SORT_1 [L219] input_147 = __VERIFIER_nondet_uchar() [L220] input_150 = __VERIFIER_nondet_uchar() [L221] input_153 = __VERIFIER_nondet_uchar() [L222] input_156 = __VERIFIER_nondet_uchar() [L223] EXPR input_156 & mask_SORT_1 [L223] input_156 = input_156 & mask_SORT_1 [L224] input_166 = __VERIFIER_nondet_uchar() [L225] EXPR input_166 & mask_SORT_1 [L225] input_166 = input_166 & mask_SORT_1 [L226] input_176 = __VERIFIER_nondet_uchar() [L227] EXPR input_176 & mask_SORT_1 [L227] input_176 = input_176 & mask_SORT_1 [L228] input_186 = __VERIFIER_nondet_uchar() [L229] EXPR input_186 & mask_SORT_1 [L229] input_186 = input_186 & mask_SORT_1 [L230] input_187 = __VERIFIER_nondet_uchar() [L231] EXPR input_187 & mask_SORT_1 [L231] input_187 = input_187 & mask_SORT_1 [L232] input_188 = __VERIFIER_nondet_uchar() [L233] EXPR input_188 & mask_SORT_1 [L233] input_188 = input_188 & mask_SORT_1 [L234] input_189 = __VERIFIER_nondet_uchar() [L235] EXPR input_189 & mask_SORT_1 [L235] input_189 = input_189 & mask_SORT_1 [L236] input_190 = __VERIFIER_nondet_uchar() [L237] EXPR input_190 & mask_SORT_1 [L237] input_190 = input_190 & mask_SORT_1 [L238] input_191 = __VERIFIER_nondet_uchar() [L239] EXPR input_191 & mask_SORT_1 [L239] input_191 = input_191 & mask_SORT_1 [L240] input_215 = __VERIFIER_nondet_uchar() [L241] input_217 = __VERIFIER_nondet_uchar() [L242] input_227 = __VERIFIER_nondet_uchar() [L243] input_232 = __VERIFIER_nondet_uchar() [L244] input_234 = __VERIFIER_nondet_uchar() [L245] input_239 = __VERIFIER_nondet_uchar() [L246] input_243 = __VERIFIER_nondet_uchar() [L247] input_258 = __VERIFIER_nondet_uchar() [L248] input_260 = __VERIFIER_nondet_uchar() [L249] input_270 = __VERIFIER_nondet_uchar() [L250] input_275 = __VERIFIER_nondet_uchar() [L251] input_277 = __VERIFIER_nondet_uchar() [L252] input_282 = __VERIFIER_nondet_uchar() [L253] input_286 = __VERIFIER_nondet_uchar() [L254] input_301 = __VERIFIER_nondet_uchar() [L255] input_303 = __VERIFIER_nondet_uchar() [L256] input_313 = __VERIFIER_nondet_uchar() [L257] input_318 = __VERIFIER_nondet_uchar() [L258] input_320 = __VERIFIER_nondet_uchar() [L259] input_325 = __VERIFIER_nondet_uchar() [L260] input_329 = __VERIFIER_nondet_uchar() [L263] SORT_1 var_90_arg_0 = state_38; [L264] SORT_3 var_90_arg_1 = var_88; [L265] SORT_3 var_90_arg_2 = var_89; [L266] SORT_3 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L267] SORT_1 var_91_arg_0 = state_58; [L268] SORT_3 var_91_arg_1 = var_88; [L269] SORT_3 var_91_arg_2 = var_89; [L270] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L271] SORT_3 var_92_arg_0 = var_90; [L272] SORT_3 var_92_arg_1 = var_91; [L273] SORT_3 var_92 = var_92_arg_0 + var_92_arg_1; [L274] SORT_1 var_93_arg_0 = state_78; [L275] SORT_3 var_93_arg_1 = var_88; [L276] SORT_3 var_93_arg_2 = var_89; [L277] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L278] SORT_3 var_94_arg_0 = var_92; [L279] SORT_3 var_94_arg_1 = var_93; [L280] SORT_3 var_94 = var_94_arg_0 + var_94_arg_1; [L281] EXPR var_94 & mask_SORT_3 [L281] var_94 = var_94 & mask_SORT_3 [L282] SORT_3 var_95_arg_0 = var_94; [L283] SORT_3 var_95_arg_1 = var_88; [L284] SORT_1 var_95 = var_95_arg_0 <= var_95_arg_1; [L285] SORT_1 var_96_arg_0 = ~state_86; [L286] EXPR var_96_arg_0 & mask_SORT_1 [L286] var_96_arg_0 = var_96_arg_0 & mask_SORT_1 [L287] SORT_1 var_96_arg_1 = ~var_95; [L288] EXPR var_96_arg_1 & mask_SORT_1 [L288] var_96_arg_1 = var_96_arg_1 & mask_SORT_1 [L289] EXPR var_96_arg_0 & var_96_arg_1 [L289] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L290] EXPR var_96 & mask_SORT_1 [L290] var_96 = var_96 & mask_SORT_1 [L291] SORT_1 bad_97_arg_0 = var_96; [L292] CALL __VERIFIER_assert(!(bad_97_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1552.24ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 59.3MB in the end (delta: 29.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1318.11ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 59.3MB in the beginning and 361.5MB in the end (delta: -302.2MB). Peak memory consumption was 189.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1067.59ms. Allocated memory is still 536.9MB. Free memory was 361.5MB in the beginning and 303.9MB in the end (delta: 57.6MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * RCFGBuilder took 30827.22ms. Allocated memory was 536.9MB in the beginning and 4.0GB in the end (delta: 3.5GB). Free memory was 303.9MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 3527.92ms. Allocated memory is still 4.0GB. Free memory was 3.2GB in the beginning and 3.0GB in the end (delta: 206.2MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. * Witness Printer took 6.66ms. Allocated memory is still 4.0GB. Free memory is still 3.0GB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:28:47,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:28:51,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:28:51,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:28:51,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:28:51,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:28:51,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:28:51,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:28:51,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:28:51,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:28:51,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:28:51,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:28:51,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:28:51,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:28:51,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:28:51,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:28:51,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:28:51,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:28:51,287 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:28:51,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:28:51,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:28:51,287 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:28:51,288 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:28:51,288 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:28:51,288 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:51,288 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:28:51,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:28:51,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:28:51,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:28:51,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:28:51,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:28:51,289 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:28:51,289 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:51,289 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:28:51,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 [2024-11-13 20:28:51,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:28:51,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:28:51,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:28:51,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:28:51,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:28:51,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 20:28:53,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:28:54,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:28:54,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-11-13 20:28:54,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/data/0fcf9db12/f9dc0e307a1f4d1aa469c9f926a8c35c/FLAG9beec4343 [2024-11-13 20:28:54,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/data/0fcf9db12/f9dc0e307a1f4d1aa469c9f926a8c35c [2024-11-13 20:28:54,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:28:54,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:28:54,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:28:54,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:28:54,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:28:54,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:28:54" (1/1) ... [2024-11-13 20:28:54,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec4d87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:54, skipping insertion in model container [2024-11-13 20:28:54,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:28:54" (1/1) ... [2024-11-13 20:28:54,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:28:55,075 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1170,1183] [2024-11-13 20:28:55,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:28:55,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:28:55,644 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1170,1183] [2024-11-13 20:28:55,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:28:55,973 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:28:55,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55 WrapperNode [2024-11-13 20:28:55,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:28:55,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:28:55,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:28:55,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:28:55,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,164 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2351 [2024-11-13 20:28:56,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:28:56,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:28:56,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:28:56,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:28:56,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:28:56,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:28:56,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:28:56,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:28:56,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:28:55" (1/1) ... [2024-11-13 20:28:56,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:28:56,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:28:56,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:28:56,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:28:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:28:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:28:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:28:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:28:57,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:28:57,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:29:00,998 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-13 20:29:00,998 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:29:01,127 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:29:01,127 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:29:01,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:01 BoogieIcfgContainer [2024-11-13 20:29:01,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:29:01,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:29:01,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:29:01,142 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:29:01,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:01" (1/1) ... [2024-11-13 20:29:01,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:29:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:29:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:29:01,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:29:01,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:01,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:01,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:01,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:01,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:29:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:02,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:02,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 20:29:02,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:29:03,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:29:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:29:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:29:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:29:03,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:03,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:03,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:03,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:03,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f908d6c2-41ec-438c-a63c-b480873d88a6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:29:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:04,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:05,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 20:29:05,575 INFO L278 TraceCheckSpWp]: Computing forward predicates...