./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/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_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/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 32bit --witnessprinter.graph.data.programhash 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:48:23,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:48:23,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:48:23,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:48:23,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:48:23,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:48:23,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:48:23,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:48:23,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:48:23,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:48:23,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:48:23,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:48:23,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:48:23,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:48:23,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:48:23,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:48:23,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:48:23,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:48:23,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:48:23,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:48:23,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:48:23,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:48:23,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:48:23,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:48:23,425 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:48:23,425 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:48:23,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:48:23,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:23,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:48:23,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:48:23,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:48:23,426 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:48:23,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:48:23,426 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_034b238e-ac27-4b6d-a65e-cde5f8254485/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 [2024-11-13 16:48:23,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:48:23,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:48:23,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:48:23,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:48:23,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:48:23,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i Unable to find full path for "g++" [2024-11-13 16:48:25,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:48:25,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:48:25,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i [2024-11-13 16:48:25,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/data/b2ce0533a/860d73d721c44a139e8ccd405989eaf6/FLAG5949bf853 [2024-11-13 16:48:25,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/data/b2ce0533a/860d73d721c44a139e8ccd405989eaf6 [2024-11-13 16:48:25,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:48:25,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:48:25,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:25,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:48:25,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:48:25,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:25" (1/1) ... [2024-11-13 16:48:25,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122bb139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:25, skipping insertion in model container [2024-11-13 16:48:25,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:25" (1/1) ... [2024-11-13 16:48:25,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:48:26,159 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_034b238e-ac27-4b6d-a65e-cde5f8254485/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-11-13 16:48:26,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:26,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:48:26,241 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_034b238e-ac27-4b6d-a65e-cde5f8254485/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-11-13 16:48:26,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:26,296 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:48:26,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26 WrapperNode [2024-11-13 16:48:26,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:26,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:26,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:48:26,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:48:26,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,359 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-13 16:48:26,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:26,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:48:26,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:48:26,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:48:26,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:48:26,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:48:26,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:48:26,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:48:26,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:26" (1/1) ... [2024-11-13 16:48:26,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:26,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:48:26,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:48:26,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:48:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:48:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:48:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:48:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:48:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:48:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:48:26,561 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:48:26,563 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:48:26,836 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 16:48:26,836 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:48:27,044 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:48:27,044 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:48:27,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:27 BoogieIcfgContainer [2024-11-13 16:48:27,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:48:27,046 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:48:27,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:48:27,058 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:48:27,058 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:27" (1/1) ... [2024-11-13 16:48:27,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:48:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 16:48:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 16:48:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 16:48:27,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:27,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 16:48:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-13 16:48:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-13 16:48:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:48:29,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:29,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:48:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:48:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:29,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:48:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:48:29,980 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:48:30,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:48:30 ImpRootNode [2024-11-13 16:48:30,081 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:48:30,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:48:30,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:48:30,082 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:48:30,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:27" (3/4) ... [2024-11-13 16:48:30,086 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:48:30,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:48:30,088 INFO L158 Benchmark]: Toolchain (without parser) took 4137.65ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.4MB in the beginning and 52.4MB in the end (delta: 40.0MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2024-11-13 16:48:30,089 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:30,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.38ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:30,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.32ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:48:30,090 INFO L158 Benchmark]: Boogie Preprocessor took 45.51ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:30,090 INFO L158 Benchmark]: RCFGBuilder took 639.70ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 50.4MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:48:30,091 INFO L158 Benchmark]: CodeCheck took 3034.16ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 50.4MB in the beginning and 52.4MB in the end (delta: -1.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-13 16:48:30,091 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 151.0MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:48:30,094 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 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 55 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 56/56 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: 19]: 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 someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of bitwiseOr at line 38, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] unsigned char var_1_7 = 200; [L24] unsigned char var_1_8 = 4; [L25] signed char var_1_9 = 50; [L26] signed char var_1_12 = -5; [L27] float var_1_13 = 999999999999.8; [L28] float var_1_14 = 100.5; [L29] float var_1_15 = 32.75; [L30] unsigned char var_1_16 = 1; [L31] unsigned char var_1_17 = 1; [L32] unsigned char var_1_18 = 128; [L33] unsigned char last_1_var_1_7 = 200; [L34] signed char last_1_var_1_9 = 50; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] signed short int stepLocal_2 = var_1_1; [L47] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L48] COND TRUE \read(var_1_16) [L49] COND TRUE stepLocal_1 && var_1_16 [L50] COND FALSE !(stepLocal_2 > var_1_1) [L55] COND TRUE var_1_18 == var_1_18 [L56] var_1_7 = var_1_8 [L58] signed short int stepLocal_3 = var_1_1; [L59] COND FALSE !(var_1_18 == stepLocal_3) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND FALSE !(!(cond)) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=64, var_1_9=50] [L93] RET __VERIFIER_assert(property()) [L94] isInitial = 0 VAL [isInitial=0, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=64, var_1_9=50] [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] signed short int stepLocal_2 = var_1_1; [L47] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L48] COND TRUE \read(var_1_16) [L49] COND FALSE !(stepLocal_1 && var_1_16) [L55] COND TRUE var_1_18 == var_1_18 [L56] var_1_7 = var_1_8 [L58] signed short int stepLocal_3 = var_1_1; [L59] COND TRUE var_1_18 == stepLocal_3 [L60] var_1_13 = (var_1_14 - var_1_15) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_7=0, var_1_8=0, var_1_9=50] [L19] reach_error() VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_7=0, var_1_8=0, var_1_9=50] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.38ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.32ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.51ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 639.70ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 50.4MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 3034.16ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 50.4MB in the beginning and 52.4MB in the end (delta: -1.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 151.0MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 14.1kB). 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 16:48:30,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/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_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/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_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/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 32bit --witnessprinter.graph.data.programhash 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:48:32,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:48:32,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:48:32,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:48:32,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:48:32,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:48:33,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:48:33,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:48:33,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:48:33,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:48:33,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:48:33,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:48:33,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:48:33,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:48:33,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:48:33,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:48:33,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:48:33,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:48:33,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:48:33,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:48:33,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:48:33,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:48:33,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:48:33,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:48:33,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:48:33,005 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:48:33,005 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:33,005 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:48:33,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:48:33,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:33,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:48:33,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:48:33,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:48:33,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:48:33,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:33,006 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:48:33,006 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_034b238e-ac27-4b6d-a65e-cde5f8254485/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 [2024-11-13 16:48:33,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:48:33,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:48:33,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:48:33,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:48:33,340 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:48:33,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i Unable to find full path for "g++" [2024-11-13 16:48:35,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:48:35,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:48:35,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i [2024-11-13 16:48:35,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/data/bddef4062/f16502212e5e4df899172c84d13cd1f3/FLAG4150c0456 [2024-11-13 16:48:35,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/data/bddef4062/f16502212e5e4df899172c84d13cd1f3 [2024-11-13 16:48:35,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:48:35,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:48:35,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:35,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:48:35,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:48:35,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:35,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436cd5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35, skipping insertion in model container [2024-11-13 16:48:35,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:35,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:48:35,830 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_034b238e-ac27-4b6d-a65e-cde5f8254485/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-11-13 16:48:35,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:35,917 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:48:35,930 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_034b238e-ac27-4b6d-a65e-cde5f8254485/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-11-13 16:48:35,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:48:35,992 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:48:35,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35 WrapperNode [2024-11-13 16:48:35,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:48:35,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:35,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:48:35,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:48:36,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,051 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-13 16:48:36,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:48:36,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:48:36,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:48:36,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:48:36,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:48:36,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:48:36,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:48:36,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:48:36,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:48:35" (1/1) ... [2024-11-13 16:48:36,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:48:36,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:48:36,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:48:36,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:48:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:48:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:48:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:48:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:48:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:48:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:48:36,283 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:48:36,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:48:36,627 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 16:48:36,628 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:48:36,778 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:48:36,778 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:48:36,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:36 BoogieIcfgContainer [2024-11-13 16:48:36,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:48:36,780 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:48:36,780 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:48:36,791 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:48:36,791 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:36" (1/1) ... [2024-11-13 16:48:36,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:48:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 16:48:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 16:48:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 16:48:36,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:36,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:36,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:36,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:36,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:48:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:37,276 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:37,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:48:37,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 16:49:01,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:49:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 54 transitions. [2024-11-13 16:49:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-11-13 16:49:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:49:02,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:02,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:02,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:02,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:02,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:49:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:02,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:03,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:49:03,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:49:29,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:49:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 72 states and 114 transitions. [2024-11-13 16:49:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:49:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:49:35,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:35,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:35,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:35,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:35,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:49:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:36,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:36,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:49:36,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:02,704 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 16:50:02,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:50:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:50:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:50:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:50:07,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:07,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:07,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:07,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:07,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:50:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:07,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:08,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:50:08,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 62 proven. 146 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 16:50:31,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 16:50:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:50:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:50:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:50:31,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:31,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:31,945 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:31,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:50:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:32,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:32,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:50:32,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 16:50:57,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 16:50:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:50:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:50:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:50:57,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:57,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:57,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:57,740 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:57,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:50:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:58,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:58,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:50:58,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:51:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:51:23,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 16:51:23,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:51:23,870 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:51:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:51:23,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:23,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:51:23,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:51:23,874 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:51:23,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:51:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:24,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:51:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:24,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 16:51:24,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:51:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 53 proven. 152 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-13 16:51:51,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:51:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:51:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:51:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:51:51,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:51,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:51:51,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:51:51,788 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:51:51,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:51:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:52,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:51:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:52,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 16:51:52,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 148 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 16:52:21,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 16:52:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:52:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:52:21,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:52:21,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:21,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:52:21,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:52:21,361 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:52:21,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 16:52:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:21,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:52:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:22,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:52:22,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 16:52:49,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 16:52:49,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:49,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:52:49,347 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:52:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:52:49,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:49,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:52:49,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:52:49,354 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:52:49,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 16:52:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:49,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:52:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:50,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:52:50,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 16:53:17,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 16:53:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:53:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:53:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:53:17,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:17,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:17,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:17,523 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:17,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 16:53:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:18,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:18,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:53:18,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:53:46,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 16:53:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:53:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:53:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:53:46,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:46,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:46,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:46,614 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:46,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 16:53:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:47,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:47,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:53:47,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:54:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:54:15,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 16:54:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:54:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:54:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:54:15,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:15,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:15,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:15,273 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:15,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 16:54:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:15,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:54:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:16,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:54:16,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:54:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:54:43,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 16:54:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:54:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:54:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:54:44,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:44,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:44,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:44,110 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:44,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 16:54:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:44,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:54:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:45,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 16:54:45,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 53 proven. 151 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-13 16:55:11,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 16:55:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:55:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:55:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:55:11,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:11,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:55:11,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:55:11,386 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:55:11,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 16:55:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:11,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:55:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:12,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:55:12,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 154 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 16:55:40,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 16:55:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:40,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:55:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:55:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:55:40,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:40,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:55:40,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:55:40,852 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:55:40,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 16:55:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:41,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:55:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:41,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:55:41,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 56 proven. 150 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 16:56:08,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 16:56:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 114 transitions. [2024-11-13 16:56:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-11-13 16:56:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:56:08,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:08,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:56:08,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:56:08,571 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:56:08,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 16:56:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:09,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:56:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:09,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 16:56:09,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:56:42,452 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 16:56:42,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 16:56:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 16:56:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 16:56:46,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:56:46,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:46,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:56:46,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:56:46,743 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:56:46,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 16:56:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:47,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:56:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:56:47,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 16:56:47,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 53 proven. 152 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-13 16:57:14,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 16:57:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 16:57:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 16:57:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:57:15,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:15,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:15,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:15,109 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:15,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 16:57:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:15,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:57:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:16,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:57:16,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:57:43,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 16:57:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 16:57:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 16:57:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:57:43,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:43,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:43,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:43,171 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:43,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 16:57:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:43,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:57:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:44,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:57:44,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:58:12,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 16:58:12,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 16:58:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 16:58:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:58:12,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:12,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:58:12,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:58:12,522 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:58:12,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 16:58:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:13,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:58:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:13,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 16:58:13,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 16:58:45,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 16:58:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 16:58:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 16:58:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:58:46,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:46,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:58:46,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:58:46,641 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:58:46,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 16:58:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:47,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:58:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:47,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:58:47,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:59:13,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 16:59:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 16:59:14,051 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 16:59:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:59:14,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:14,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:14,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:14,054 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:14,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 16:59:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:14,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:14,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:59:14,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:42,147 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 38 proven. 154 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-13 16:59:42,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 16:59:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 16:59:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 16:59:42,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:59:42,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:42,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:42,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:42,327 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:42,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 16:59:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:42,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:43,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:59:43,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 17:00:10,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 17:00:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 17:00:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 17:00:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 17:00:10,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:10,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:10,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:10,943 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:10,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 17:00:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:11,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:12,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 17:00:12,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 61 proven. 147 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 17:00:38,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 17:00:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 17:00:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 17:00:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 17:00:38,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:38,467 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 17:00:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:38,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:39,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 17:00:39,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:06,751 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 17:01:06,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 17:01:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 17:01:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 17:01:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 17:01:06,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:06,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:06,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:06,910 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:06,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 17:01:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:07,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:07,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 17:01:07,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 17:01:41,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 17:01:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 17:01:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 17:01:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 17:01:43,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:43,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:43,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:43,128 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:43,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 17:01:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:43,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:44,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 17:01:44,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 17:02:19,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 17:02:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 17:02:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 17:02:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 17:02:19,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:19,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:19,755 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:19,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 17:02:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:20,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:20,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 17:02:20,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 17:02:57,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 17:02:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 126 transitions. [2024-11-13 17:02:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-13 17:02:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 17:02:57,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:57,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:57,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:57,784 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:57,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_034b238e-ac27-4b6d-a65e-cde5f8254485/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 17:02:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:58,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:59,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 17:02:59,121 INFO L278 TraceCheckSpWp]: Computing forward predicates...