./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b --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 14ef7b4695081d3e006bc43e895bc31c74bdc7ec3cae3cedfb7a87dd07fa43f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:39:01,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:39:01,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:39:01,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:39:01,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:39:01,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:39:01,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:39:01,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:39:01,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:39:01,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:39:01,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:39:01,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:39:01,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:39:01,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:39:01,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:39:01,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:39:01,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:39:01,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:39:01,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:39:01,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:39:01,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:39:01,826 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:39:01,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:39:01,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:39:01,827 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:39:01,827 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:39:01,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:39:01,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:39:01,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:39:01,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:39:01,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:39:01,827 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:39:01,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:39:01,828 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_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b 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 -> 14ef7b4695081d3e006bc43e895bc31c74bdc7ec3cae3cedfb7a87dd07fa43f0 [2024-12-05 23:39:02,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:39:02,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:39:02,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:39:02,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:39:02,051 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:39:02,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/square_1.i [2024-12-05 23:39:04,673 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data/cedd6850f/e370bb65273c490bb04c19ddc2461667/FLAGf8c9bd71a [2024-12-05 23:39:04,899 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:39:04,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/sv-benchmarks/c/floats-cdfpl/square_1.i [2024-12-05 23:39:04,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data/cedd6850f/e370bb65273c490bb04c19ddc2461667/FLAGf8c9bd71a [2024-12-05 23:39:05,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data/cedd6850f/e370bb65273c490bb04c19ddc2461667 [2024-12-05 23:39:05,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:39:05,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:39:05,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:39:05,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:39:05,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:39:05,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc780c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05, skipping insertion in model container [2024-12-05 23:39:05,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:39:05,412 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_9ce56b9f-f613-4963-abc2-13b481793026/sv-benchmarks/c/floats-cdfpl/square_1.i[1626,1639] [2024-12-05 23:39:05,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:39:05,424 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:39:05,436 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_9ce56b9f-f613-4963-abc2-13b481793026/sv-benchmarks/c/floats-cdfpl/square_1.i[1626,1639] [2024-12-05 23:39:05,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:39:05,450 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:39:05,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05 WrapperNode [2024-12-05 23:39:05,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:39:05,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:39:05,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:39:05,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:39:05,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,477 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-12-05 23:39:05,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:39:05,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:39:05,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:39:05,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:39:05,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,487 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:39:05,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:39:05,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:39:05,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:39:05,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:39:05,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:39:05,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:39:05,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:39:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:39:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:39:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:39:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:39:05,583 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:39:05,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:39:05,647 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 23:39:05,648 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:39:05,679 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:39:05,679 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:39:05,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:05 BoogieIcfgContainer [2024-12-05 23:39:05,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:39:05,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:39:05,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:39:05,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:39:05,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:05" (1/1) ... [2024-12-05 23:39:05,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:39:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:05,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 23:39:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 23:39:05,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:39:05,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:05,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:39:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:39:05,804 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:39:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:39:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:39:05,841 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:39:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:39:05,851 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:39:05,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:39:05 ImpRootNode [2024-12-05 23:39:05,864 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:39:05,865 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:39:05,865 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:39:05,865 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:39:05,866 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:05" (3/4) ... [2024-12-05 23:39:05,868 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:39:05,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:39:05,870 INFO L158 Benchmark]: Toolchain (without parser) took 608.95ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 84.1MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:39:05,870 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:39:05,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.86ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:39:05,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.01ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:39:05,871 INFO L158 Benchmark]: Boogie Preprocessor took 13.90ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.6MB in the end (delta: 546.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:39:05,872 INFO L158 Benchmark]: RCFGBuilder took 187.68ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 94.2MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:39:05,872 INFO L158 Benchmark]: CodeCheck took 184.04ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 84.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:39:05,873 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:39:05,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 38]: 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 37, overapproximation of someBinaryFLOATComparisonOperation at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L30] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L32] float x = IN; [L34-L35] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L37] COND TRUE !(result >= 0.0f && result < 1.39f) [L38] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.86ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.01ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.90ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.6MB in the end (delta: 546.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 187.68ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 94.2MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 184.04ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 84.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:39:05,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b --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 14ef7b4695081d3e006bc43e895bc31c74bdc7ec3cae3cedfb7a87dd07fa43f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:39:07,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:39:07,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:39:07,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:39:07,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:39:07,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:39:07,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:39:07,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:39:07,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:39:07,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:39:07,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:39:07,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:39:07,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:39:07,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:39:07,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:39:07,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:39:07,924 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:39:07,924 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:39:07,924 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:39:07,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:39:07,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:39:07,924 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:39:07,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:39:07,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:39:07,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:39:07,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:39:07,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:07,926 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:39:07,926 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_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b 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 -> 14ef7b4695081d3e006bc43e895bc31c74bdc7ec3cae3cedfb7a87dd07fa43f0 [2024-12-05 23:39:08,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:39:08,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:39:08,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:39:08,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:39:08,166 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:39:08,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/square_1.i [2024-12-05 23:39:10,830 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data/2b9912e52/433471bfc275439a89d44b64c891d47c/FLAG77b35f422 [2024-12-05 23:39:11,032 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:39:11,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/sv-benchmarks/c/floats-cdfpl/square_1.i [2024-12-05 23:39:11,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data/2b9912e52/433471bfc275439a89d44b64c891d47c/FLAG77b35f422 [2024-12-05 23:39:11,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/data/2b9912e52/433471bfc275439a89d44b64c891d47c [2024-12-05 23:39:11,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:39:11,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:39:11,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:39:11,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:39:11,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:39:11,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f790fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11, skipping insertion in model container [2024-12-05 23:39:11,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:39:11,196 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_9ce56b9f-f613-4963-abc2-13b481793026/sv-benchmarks/c/floats-cdfpl/square_1.i[1626,1639] [2024-12-05 23:39:11,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:39:11,210 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:39:11,222 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_9ce56b9f-f613-4963-abc2-13b481793026/sv-benchmarks/c/floats-cdfpl/square_1.i[1626,1639] [2024-12-05 23:39:11,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:39:11,235 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:39:11,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11 WrapperNode [2024-12-05 23:39:11,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:39:11,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:39:11,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:39:11,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:39:11,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,262 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-12-05 23:39:11,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:39:11,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:39:11,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:39:11,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:39:11,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,277 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:39:11,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:39:11,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:39:11,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:39:11,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:11" (1/1) ... [2024-12-05 23:39:11,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:39:11,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:39:11,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:39:11,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:39:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:39:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:39:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:39:11,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:39:11,391 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:39:11,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:39:21,533 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 23:39:21,533 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:39:21,575 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:39:21,575 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:39:21,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:21 BoogieIcfgContainer [2024-12-05 23:39:21,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:39:21,576 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:39:21,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:39:21,583 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:39:21,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:21" (1/1) ... [2024-12-05 23:39:21,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:39:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:21,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 23:39:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 23:39:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:39:21,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:21,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:21,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:21,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:21,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce56b9f-f613-4963-abc2-13b481793026/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:39:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:39:26,071 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:39:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat