./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c --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_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3 --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 a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:03:17,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:03:17,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:03:17,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:03:17,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:03:17,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:03:17,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:03:17,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:03:17,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:03:17,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:03:17,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:03:17,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:03:17,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:03:17,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:03:17,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:03:17,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:03:17,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:03:17,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:03:17,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:03:17,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:03:17,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:03:17,461 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:03:17,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:03:17,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:03:17,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:03:17,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:03:17,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:03:17,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:17,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:03:17,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:03:17,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:03:17,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:03:17,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:03:17,466 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_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3 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 -> a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 [2024-11-24 18:03:17,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:03:17,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:03:17,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:03:17,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:03:17,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:03:17,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-11-24 18:03:21,720 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data/f55468c0d/a8d0c2a71bd74e07817d0f27c3088050/FLAGc2f02f205 [2024-11-24 18:03:22,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:03:22,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-11-24 18:03:22,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data/f55468c0d/a8d0c2a71bd74e07817d0f27c3088050/FLAGc2f02f205 [2024-11-24 18:03:22,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data/f55468c0d/a8d0c2a71bd74e07817d0f27c3088050 [2024-11-24 18:03:22,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:03:22,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:03:22,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:22,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:03:22,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:03:22,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ded26a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22, skipping insertion in model container [2024-11-24 18:03:22,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:03:22,478 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_fbe13800-b5fa-4541-b382-047076d0f17c/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-11-24 18:03:22,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:22,501 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:03:22,513 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_fbe13800-b5fa-4541-b382-047076d0f17c/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-11-24 18:03:22,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:22,534 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:03:22,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22 WrapperNode [2024-11-24 18:03:22,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:22,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:22,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:03:22,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:03:22,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,583 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-24 18:03:22,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:22,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:03:22,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:03:22,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:03:22,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:03:22,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:03:22,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:03:22,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:03:22,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:22" (1/1) ... [2024-11-24 18:03:22,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:22,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:03:22,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:03:22,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:03:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:03:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:03:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:03:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:03:22,781 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:03:22,783 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:03:22,947 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 18:03:22,947 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:03:23,043 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:03:23,043 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:03:23,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:23 BoogieIcfgContainer [2024-11-24 18:03:23,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:03:23,045 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:03:23,045 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:03:23,060 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:03:23,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:23" (1/1) ... [2024-11-24 18:03:23,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:03:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:03:23,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-24 18:03:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-24 18:03:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:03:23,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:03:23,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:03:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:03:23,276 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:03:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:03:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:03:23,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:03:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:03:23,371 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:03:23,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:03:23 ImpRootNode [2024-11-24 18:03:23,396 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:03:23,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:03:23,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:03:23,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:03:23,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:23" (3/4) ... [2024-11-24 18:03:23,403 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:03:23,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:03:23,405 INFO L158 Benchmark]: Toolchain (without parser) took 1156.40ms. Allocated memory is still 117.4MB. Free memory was 85.1MB in the beginning and 50.6MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:03:23,407 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:03:23,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.57ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 74.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:03:23,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.49ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.1MB in the end (delta: 981.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:03:23,412 INFO L158 Benchmark]: Boogie Preprocessor took 25.13ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 72.2MB in the end (delta: 950.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:03:23,412 INFO L158 Benchmark]: RCFGBuilder took 434.10ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 61.2MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:03:23,413 INFO L158 Benchmark]: CodeCheck took 351.60ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 50.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:03:23,413 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 50.6MB in the end (delta: 313.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:03:23,416 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: 0.3s, 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: 11]: 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 22, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L15] int x; [L16] float y, z; [L18] x = __VERIFIER_nondet_int() [L19] CALL assume_abort_if_not(x >= -10 && x <= 10) [L9] COND FALSE !(!cond) [L19] RET assume_abort_if_not(x >= -10 && x <= 10) [L21] y = x*x - 4.f [L22] CALL __VERIFIER_assert(y != 0.f) [L11] COND TRUE !(cond) [L11] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.57ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 74.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.49ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 73.1MB in the end (delta: 981.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.13ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 72.2MB in the end (delta: 950.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.10ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 61.2MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 351.60ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 50.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.54ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 50.6MB in the end (delta: 313.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:03:23,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/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_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3 --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 a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:03:26,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:03:26,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:03:26,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:03:26,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:03:26,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:03:26,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:03:26,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:03:26,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:03:26,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:03:26,929 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:03:26,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:03:26,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:03:26,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:03:26,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:03:26,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:03:26,931 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:03:26,931 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:03:26,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:03:26,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:26,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:03:26,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:03:26,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:03:26,933 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:03:26,934 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:03:26,934 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:03:26,934 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_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3 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 -> a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 [2024-11-24 18:03:27,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:03:27,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:03:27,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:03:27,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:03:27,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:03:27,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-11-24 18:03:31,028 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data/129f3f64c/2769ae73f5984400a7ce0e99e554e82c/FLAG11eedd2e9 [2024-11-24 18:03:31,352 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:03:31,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-11-24 18:03:31,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data/129f3f64c/2769ae73f5984400a7ce0e99e554e82c/FLAG11eedd2e9 [2024-11-24 18:03:31,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/data/129f3f64c/2769ae73f5984400a7ce0e99e554e82c [2024-11-24 18:03:31,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:03:31,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:03:31,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:31,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:03:31,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:03:31,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1eb8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31, skipping insertion in model container [2024-11-24 18:03:31,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:03:31,658 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_fbe13800-b5fa-4541-b382-047076d0f17c/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-11-24 18:03:31,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:31,700 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:03:31,716 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_fbe13800-b5fa-4541-b382-047076d0f17c/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-11-24 18:03:31,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:03:31,751 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:03:31,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31 WrapperNode [2024-11-24 18:03:31,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:03:31,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:31,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:03:31,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:03:31,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,807 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-24 18:03:31,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:03:31,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:03:31,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:03:31,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:03:31,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,839 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:03:31,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:03:31,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:03:31,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:03:31,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:03:31" (1/1) ... [2024-11-24 18:03:31,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:03:31,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:03:31,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:03:31,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:03:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:03:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:03:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:03:31,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:03:32,052 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:03:32,055 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:03:33,099 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 18:03:33,099 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:03:33,214 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:03:33,215 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:03:33,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:33 BoogieIcfgContainer [2024-11-24 18:03:33,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:03:33,217 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:03:33,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:03:33,232 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:03:33,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:03:33" (1/1) ... [2024-11-24 18:03:33,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:03:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:03:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-24 18:03:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-24 18:03:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:03:33,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:03:33,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:03:33,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:03:33,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:03:33,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe13800-b5fa-4541-b382-047076d0f17c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:03:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:03:33,496 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:03:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat