./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i --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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:44,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:45,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:44:45,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:44:45,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:44:45,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:45,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:45,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:45,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:45,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:45,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:45,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:45,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:45,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:44:45,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:45,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:45,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:45,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:45,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:45,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:45,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:45,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:45,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:45,089 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:45,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:45,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:45,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:45,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:45,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:45,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:45,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:45,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:44:45,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:44:45,093 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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d [2024-11-08 23:44:45,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:45,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:45,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:45,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:45,356 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:45,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i Unable to find full path for "g++" [2024-11-08 23:44:47,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:47,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:47,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2024-11-08 23:44:47,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/data/5c97b1630/692897ca8d184ccf93caa6ce3ba19828/FLAGb5e8dc657 [2024-11-08 23:44:47,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/data/5c97b1630/692897ca8d184ccf93caa6ce3ba19828 [2024-11-08 23:44:47,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:47,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:47,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:47,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:47,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:47,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e154d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47, skipping insertion in model container [2024-11-08 23:44:47,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:47,863 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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2024-11-08 23:44:47,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:47,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:47,900 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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2024-11-08 23:44:47,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:47,921 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:47,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47 WrapperNode [2024-11-08 23:44:47,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:47,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:47,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:47,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:47,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,949 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-08 23:44:47,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:47,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:47,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:47,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:47,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:47,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:47,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:47,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:47,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:47" (1/1) ... [2024-11-08 23:44:47,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:47,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:48,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:48,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:44:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:48,110 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:48,112 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:48,211 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:48,212 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:48,241 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:48,242 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:44:48,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:48 BoogieIcfgContainer [2024-11-08 23:44:48,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:48,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:48,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:48,256 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:48,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:48" (1/1) ... [2024-11-08 23:44:48,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:48,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:44:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:44:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:44:48,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:48,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:48,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:48,560 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:44:48,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:44:48 ImpRootNode [2024-11-08 23:44:48,589 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:44:48,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:44:48,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:44:48,593 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:44:48,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:48" (3/4) ... [2024-11-08 23:44:48,597 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:44:48,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:44:48,600 INFO L158 Benchmark]: Toolchain (without parser) took 969.71ms. Allocated memory is still 165.7MB. Free memory was 127.4MB in the beginning and 90.4MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:48,601 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 109.1MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 160.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:48,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.31ms. Allocated memory is still 165.7MB. Free memory was 126.8MB in the beginning and 114.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:44:48,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.19ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 113.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:48,605 INFO L158 Benchmark]: Boogie Preprocessor took 21.56ms. Allocated memory is still 165.7MB. Free memory was 113.1MB in the beginning and 112.1MB in the end (delta: 970.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:48,607 INFO L158 Benchmark]: RCFGBuilder took 270.55ms. Allocated memory is still 165.7MB. Free memory was 112.1MB in the beginning and 102.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:44:48,608 INFO L158 Benchmark]: CodeCheck took 345.94ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 90.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:48,608 INFO L158 Benchmark]: Witness Printer took 8.69ms. Allocated memory is still 165.7MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:48,613 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, 9 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, 5 NumberOfCodeBlocks, 5 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 someBinaryDOUBLEComparisonOperation at line 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21. Possible FailurePath: [L20] double x = 1.0; [L21] double x1 = x/2.5; [L23] COND TRUE x1 != x [L29] CALL __VERIFIER_assert(x == 0) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 109.1MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 160.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.31ms. Allocated memory is still 165.7MB. Free memory was 126.8MB in the beginning and 114.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.19ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 113.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.56ms. Allocated memory is still 165.7MB. Free memory was 113.1MB in the beginning and 112.1MB in the end (delta: 970.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 270.55ms. Allocated memory is still 165.7MB. Free memory was 112.1MB in the beginning and 102.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 345.94ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 90.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.69ms. Allocated memory is still 165.7MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:44:48,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:51,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:51,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:44:51,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:51,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:51,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:51,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:51,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:51,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:51,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:51,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:51,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:51,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:51,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:51,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:51,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:51,204 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:44:51,204 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:44:51,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:51,207 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:44:51,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:51,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:51,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:51,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:51,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:51,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:51,212 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:51,212 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:44:51,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:51,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:51,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:51,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:51,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:51,214 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:44:51,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:51,215 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:44:51,216 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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d [2024-11-08 23:44:51,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:51,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:51,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:51,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:51,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:51,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i Unable to find full path for "g++" [2024-11-08 23:44:53,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:54,117 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:54,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2024-11-08 23:44:54,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/data/52d8dc36c/2a3f5e26387b40ae8f8f3074a8a29b8a/FLAG2f02b5059 [2024-11-08 23:44:54,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/data/52d8dc36c/2a3f5e26387b40ae8f8f3074a8a29b8a [2024-11-08 23:44:54,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:54,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:54,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:54,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:54,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:54,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b424d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54, skipping insertion in model container [2024-11-08 23:44:54,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:54,414 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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2024-11-08 23:44:54,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:54,447 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:54,464 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_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2024-11-08 23:44:54,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:54,510 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:54,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54 WrapperNode [2024-11-08 23:44:54,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:54,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:54,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:54,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:54,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,550 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-08 23:44:54,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:54,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:54,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:54,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:54,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:54,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:54,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:54,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:54,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:54" (1/1) ... [2024-11-08 23:44:54,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:54,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:54,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:54,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:44:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:54,764 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:54,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:56,715 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:56,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:56,765 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:56,766 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:44:56,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:56 BoogieIcfgContainer [2024-11-08 23:44:56,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:56,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:56,769 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:56,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:56,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:56" (1/1) ... [2024-11-08 23:44:56,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:44:56,861 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:44:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:44:56,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:56,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:56,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:56,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:56,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:44:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:57,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:57,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:44:57,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:02,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:45:07,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:45:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-08 23:45:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-08 23:45:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:45:09,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:09,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:09,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:09,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:09,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:45:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:09,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:09,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:45:09,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:09,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:09,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:11,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:45:12,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-08 23:45:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-08 23:45:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:45:12,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:12,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:12,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:12,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:12,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:45:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:13,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:45:24,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:24,019 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:45:24,022 INFO L158 Benchmark]: Toolchain (without parser) took 29878.34ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 48.0MB in the beginning and 63.0MB in the end (delta: -15.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,023 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:24,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.33ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 47.7MB in the beginning and 71.5MB in the end (delta: -23.9MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.18ms. Allocated memory is still 92.3MB. Free memory was 71.5MB in the beginning and 70.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,026 INFO L158 Benchmark]: Boogie Preprocessor took 40.18ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 68.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:24,026 INFO L158 Benchmark]: RCFGBuilder took 2174.83ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 58.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:45:24,027 INFO L158 Benchmark]: CodeCheck took 27253.22ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 63.0MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:24,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.33ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 47.7MB in the beginning and 71.5MB in the end (delta: -23.9MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.18ms. Allocated memory is still 92.3MB. Free memory was 71.5MB in the beginning and 70.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.18ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 68.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2174.83ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 58.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 27253.22ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 63.0MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:45:24,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46649189-1fb9-402e-b9b7-ffd5e3da8cf3/bin/ukojak-verify-ImItNfHLgk/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown