./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_int.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk --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 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:54:59,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:54:59,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:54:59,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:54:59,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:54:59,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:54:59,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:54:59,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:54:59,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:54:59,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:54:59,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:54:59,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:54:59,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:54:59,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:54:59,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:54:59,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:54:59,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:54:59,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:54:59,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:54:59,575 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:54:59,575 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:54:59,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:54:59,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:54:59,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:54:59,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:54:59,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:54:59,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:54:59,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:54:59,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:54:59,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:54:59,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:54:59,583 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:54:59,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:54:59,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2024-11-09 00:54:59,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:54:59,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:54:59,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:54:59,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:54:59,985 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:54:59,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/inv_square_int.c Unable to find full path for "g++" [2024-11-09 00:55:02,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:55:02,251 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:55:02,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/sv-benchmarks/c/float-benchs/inv_square_int.c [2024-11-09 00:55:02,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/data/7d6674188/a004236e953f43aba75393f7e9374968/FLAG797de4552 [2024-11-09 00:55:02,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/data/7d6674188/a004236e953f43aba75393f7e9374968 [2024-11-09 00:55:02,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:55:02,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:55:02,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:02,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:55:02,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:55:02,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:02,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4260af46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02, skipping insertion in model container [2024-11-09 00:55:02,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:02,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:55:02,886 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_67686495-25e6-447e-86da-7d54f6429ab0/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-09 00:55:02,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:02,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:55:02,920 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_67686495-25e6-447e-86da-7d54f6429ab0/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-09 00:55:02,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:02,942 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:55:02,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02 WrapperNode [2024-11-09 00:55:02,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:02,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:02,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:55:02,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:55:02,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:02,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:02,981 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-09 00:55:02,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:02,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:55:02,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:55:02,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:55:02,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:02,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:02,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:02,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:03,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:03,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:03,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:03,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:03,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:55:03,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:55:03,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:55:03,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:55:03,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:02" (1/1) ... [2024-11-09 00:55:03,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:55:03,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:55:03,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:55:03,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:55:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:55:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:55:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:55:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:55:03,146 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:55:03,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:55:03,310 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:55:03,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:55:03,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:55:03,371 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:55:03,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:03 BoogieIcfgContainer [2024-11-09 00:55:03,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:55:03,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:55:03,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:55:03,393 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:55:03,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:03" (1/1) ... [2024-11-09 00:55:03,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:03,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:55:03,480 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:55:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:55:03,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:03,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:03,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:55:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:03,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:55:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:03,700 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:55:03,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:55:03 ImpRootNode [2024-11-09 00:55:03,739 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:55:03,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:55:03,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:55:03,741 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:55:03,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:03" (3/4) ... [2024-11-09 00:55:03,747 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:55:03,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:55:03,749 INFO L158 Benchmark]: Toolchain (without parser) took 1104.52ms. Allocated memory is still 161.5MB. Free memory was 132.9MB in the beginning and 115.2MB in the end (delta: 17.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-09 00:55:03,750 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:03,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.17ms. Allocated memory is still 161.5MB. Free memory was 134.6MB in the beginning and 122.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:55:03,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.57ms. Allocated memory is still 161.5MB. Free memory was 122.0MB in the beginning and 120.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:55:03,752 INFO L158 Benchmark]: Boogie Preprocessor took 25.92ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 119.9MB in the end (delta: 695.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:03,754 INFO L158 Benchmark]: RCFGBuilder took 362.60ms. Allocated memory is still 161.5MB. Free memory was 119.2MB in the beginning and 127.2MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:55:03,756 INFO L158 Benchmark]: CodeCheck took 365.37ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 115.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:55:03,757 INFO L158 Benchmark]: Witness Printer took 7.88ms. Allocated memory is still 161.5MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:03,762 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 - UnprovableResult [Line: 13]: 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 24, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L17] int x; [L18] float y, z; [L20] x = __VERIFIER_nondet_int() [L21] CALL assume_abort_if_not(x >= -10 && x <= 10) [L11] COND FALSE !(!cond) [L21] RET assume_abort_if_not(x >= -10 && x <= 10) [L23] y = x*x - 2.f [L24] CALL __VERIFIER_assert(y != 0.f) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.17ms. Allocated memory is still 161.5MB. Free memory was 134.6MB in the beginning and 122.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.57ms. Allocated memory is still 161.5MB. Free memory was 122.0MB in the beginning and 120.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.92ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 119.9MB in the end (delta: 695.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.60ms. Allocated memory is still 161.5MB. Free memory was 119.2MB in the beginning and 127.2MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 365.37ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 115.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.88ms. Allocated memory is still 161.5MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:55:03,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk --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 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:55:06,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:55:06,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:55:06,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:55:06,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:55:06,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:55:06,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:55:06,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:55:06,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:55:06,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:55:06,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:55:06,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:55:06,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:55:06,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:55:06,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:55:06,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:55:06,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:55:06,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:55:06,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:55:06,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:55:06,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:55:06,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:55:06,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:55:06,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:55:06,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:55:06,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:55:06,517 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:06,518 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:55:06,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:55:06,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:55:06,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:55:06,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:55:06,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:55:06,522 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:55:06,523 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:06,524 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:55:06,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2024-11-09 00:55:07,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:55:07,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:55:07,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:55:07,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:55:07,057 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:55:07,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/inv_square_int.c Unable to find full path for "g++" [2024-11-09 00:55:09,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:55:09,533 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:55:09,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/sv-benchmarks/c/float-benchs/inv_square_int.c [2024-11-09 00:55:09,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/data/5b7657600/520bcf057f7440bcb532986d14159a57/FLAGbb3bf07a7 [2024-11-09 00:55:09,839 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/data/5b7657600/520bcf057f7440bcb532986d14159a57 [2024-11-09 00:55:09,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:55:09,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:55:09,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:09,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:55:09,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:55:09,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebd7634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09, skipping insertion in model container [2024-11-09 00:55:09,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:55:10,175 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_67686495-25e6-447e-86da-7d54f6429ab0/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-09 00:55:10,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:10,209 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:55:10,229 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_67686495-25e6-447e-86da-7d54f6429ab0/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-09 00:55:10,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:10,257 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:55:10,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10 WrapperNode [2024-11-09 00:55:10,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:10,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:10,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:55:10,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:55:10,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,307 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-09 00:55:10,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:10,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:55:10,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:55:10,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:55:10,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:55:10,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:55:10,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:55:10,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:55:10,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:55:10,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:55:10,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:55:10,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:55:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:55:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:55:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:55:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:55:10,526 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:55:10,529 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:55:11,609 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:55:11,609 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:55:11,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:55:11,714 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:55:11,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:11 BoogieIcfgContainer [2024-11-09 00:55:11,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:55:11,715 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:55:11,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:55:11,724 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:55:11,725 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:11" (1/1) ... [2024-11-09 00:55:11,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:55:11,780 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:55:11,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:55:11,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:11,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:11,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:11,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:55:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:11,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:12,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:55:12,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:13,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:55:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-09 00:55:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-09 00:55:14,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:55:14,487 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-09 00:55:14,496 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:55:14,512 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:55:14,513 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2024-11-09 00:55:14,513 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-09 00:55:14,513 INFO L75 FloydHoareUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2024-11-09 00:55:14,514 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-09 00:55:14,514 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:55:14,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:55:14 ImpRootNode [2024-11-09 00:55:14,522 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:55:14,523 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:55:14,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:55:14,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:55:14,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:11" (3/4) ... [2024-11-09 00:55:14,527 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:55:14,534 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 00:55:14,534 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 00:55:14,534 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:55:14,535 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:55:14,630 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:55:14,631 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:55:14,631 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:55:14,635 INFO L158 Benchmark]: Toolchain (without parser) took 4786.41ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 40.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-09 00:55:14,636 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 88.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:14,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.08ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 52.1MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:55:14,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.23ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:55:14,641 INFO L158 Benchmark]: Boogie Preprocessor took 50.34ms. Allocated memory is still 88.1MB. Free memory was 50.5MB in the beginning and 49.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:14,641 INFO L158 Benchmark]: RCFGBuilder took 1351.84ms. Allocated memory is still 88.1MB. Free memory was 49.2MB in the beginning and 61.4MB in the end (delta: -12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:55:14,641 INFO L158 Benchmark]: CodeCheck took 2806.83ms. Allocated memory is still 88.1MB. Free memory was 61.4MB in the beginning and 45.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:55:14,642 INFO L158 Benchmark]: Witness Printer took 108.18ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 40.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:55:14,662 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: 2.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 88.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.08ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 52.1MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.23ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.34ms. Allocated memory is still 88.1MB. Free memory was 50.5MB in the beginning and 49.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1351.84ms. Allocated memory is still 88.1MB. Free memory was 49.2MB in the beginning and 61.4MB in the end (delta: -12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2806.83ms. Allocated memory is still 88.1MB. Free memory was 61.4MB in the beginning and 45.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 108.18ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 40.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:55:14,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67686495-25e6-447e-86da-7d54f6429ab0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE