./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_square-2.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_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/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_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/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_8e5145d0-9ccf-46e0-b384-c0552cd85437/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 f1e69edbdce27e5f928ff7e136ee6812498ce7c35f38e45c8aa6d453823549eb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:45:53,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:45:53,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:45:53,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:45:53,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:45:53,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:45:53,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:45:53,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:45:53,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:45:53,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:45:53,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:45:53,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:45:53,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:45:53,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:45:53,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:45:53,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:45:53,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:45:53,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:45:53,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:45:53,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:45:53,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:45:53,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:45:53,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:45:53,256 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:45:53,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:45:53,256 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:45:53,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:45:53,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:45:53,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:45:53,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:45:53,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:45:53,258 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:45:53,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:45:53,258 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_8e5145d0-9ccf-46e0-b384-c0552cd85437/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e69edbdce27e5f928ff7e136ee6812498ce7c35f38e45c8aa6d453823549eb [2024-11-08 19:45:53,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:45:53,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:45:53,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:45:53,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:45:53,607 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:45:53,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/inv_square-2.c Unable to find full path for "g++" [2024-11-08 19:45:55,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:45:55,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:45:55,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/sv-benchmarks/c/float-benchs/inv_square-2.c [2024-11-08 19:45:55,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/data/409179454/8de2e11730b1423ca24e9836fce73d59/FLAG8fbe65d35 [2024-11-08 19:45:55,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/data/409179454/8de2e11730b1423ca24e9836fce73d59 [2024-11-08 19:45:55,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:45:55,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:45:55,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:45:55,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:45:55,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:45:55,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:55" (1/1) ... [2024-11-08 19:45:55,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de63186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:55, skipping insertion in model container [2024-11-08 19:45:55,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:55" (1/1) ... [2024-11-08 19:45:55,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:45:56,060 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_8e5145d0-9ccf-46e0-b384-c0552cd85437/sv-benchmarks/c/float-benchs/inv_square-2.c[484,497] [2024-11-08 19:45:56,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:45:56,081 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:45:56,095 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_8e5145d0-9ccf-46e0-b384-c0552cd85437/sv-benchmarks/c/float-benchs/inv_square-2.c[484,497] [2024-11-08 19:45:56,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:45:56,117 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:45:56,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56 WrapperNode [2024-11-08 19:45:56,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:45:56,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:45:56,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:45:56,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:45:56,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,150 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-08 19:45:56,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:45:56,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:45:56,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:45:56,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:45:56,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:45:56,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:45:56,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:45:56,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:45:56,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:45:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:45:56,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:45:56,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:45:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:45:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:45:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:45:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:45:56,310 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:45:56,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:45:56,424 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 19:45:56,424 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:45:56,485 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:45:56,485 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:45:56,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:56 BoogieIcfgContainer [2024-11-08 19:45:56,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:45:56,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:45:56,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:45:56,499 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:45:56,499 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:56" (1/1) ... [2024-11-08 19:45:56,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:56,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 19:45:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 19:45:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:45:56,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:56,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:45:56,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:45:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:45:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:45:56,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:45:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:45:56,760 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:45:56,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:45:56 ImpRootNode [2024-11-08 19:45:56,779 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:45:56,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:45:56,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:45:56,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:45:56,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:56" (3/4) ... [2024-11-08 19:45:56,785 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:45:56,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:45:56,787 INFO L158 Benchmark]: Toolchain (without parser) took 927.09ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 77.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 19:45:56,788 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:45:56,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.14ms. Allocated memory is still 146.8MB. Free memory was 114.8MB in the beginning and 102.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:45:56,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.43ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 101.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:45:56,790 INFO L158 Benchmark]: Boogie Preprocessor took 21.51ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 100.2MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:45:56,791 INFO L158 Benchmark]: RCFGBuilder took 312.73ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 89.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:45:56,792 INFO L158 Benchmark]: CodeCheck took 293.22ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 78.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:45:56,792 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 146.8MB. Free memory was 77.7MB in the beginning and 77.4MB in the end (delta: 283.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:45:56,796 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 4 NumberOfCodeBlocks, 4 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 22, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L17] float x, y, z; [L19] x = __VERIFIER_nondet_float() [L20] CALL assume_abort_if_not(x >= -1.f && x <= 1.f) [L11] COND FALSE !(!cond) [L20] RET assume_abort_if_not(x >= -1.f && x <= 1.f) [L22] COND TRUE x <= -1e-20f || x >= 1e-20f [L23] y = x * x [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 0.35ms. Allocated memory is still 115.3MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.14ms. Allocated memory is still 146.8MB. Free memory was 114.8MB in the beginning and 102.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.43ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 101.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.51ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 100.2MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 312.73ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 89.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 293.22ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 78.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 146.8MB. Free memory was 77.7MB in the beginning and 77.4MB in the end (delta: 283.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:45:56,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/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_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/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_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/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_8e5145d0-9ccf-46e0-b384-c0552cd85437/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 f1e69edbdce27e5f928ff7e136ee6812498ce7c35f38e45c8aa6d453823549eb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:45:59,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:45:59,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:45:59,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:45:59,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:45:59,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:45:59,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:45:59,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:45:59,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:45:59,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:45:59,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:45:59,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:45:59,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:45:59,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:45:59,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:45:59,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:45:59,402 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:45:59,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:45:59,403 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:45:59,403 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:45:59,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:45:59,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:45:59,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:45:59,409 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:45:59,411 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:45:59,411 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:45:59,411 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:45:59,412 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:45:59,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:45:59,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:45:59,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:45:59,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:45:59,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:45:59,413 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:45:59,414 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:45:59,414 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:45:59,414 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_8e5145d0-9ccf-46e0-b384-c0552cd85437/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e69edbdce27e5f928ff7e136ee6812498ce7c35f38e45c8aa6d453823549eb [2024-11-08 19:45:59,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:45:59,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:45:59,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:45:59,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:45:59,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:45:59,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/inv_square-2.c Unable to find full path for "g++" [2024-11-08 19:46:01,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:46:02,016 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:46:02,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/sv-benchmarks/c/float-benchs/inv_square-2.c [2024-11-08 19:46:02,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/data/b5ce9dfc8/780ae118d70f408c99264aa2568cdd04/FLAGcc0f92bb6 [2024-11-08 19:46:02,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/data/b5ce9dfc8/780ae118d70f408c99264aa2568cdd04 [2024-11-08 19:46:02,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:46:02,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:46:02,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:02,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:46:02,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:46:02,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f14f926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02, skipping insertion in model container [2024-11-08 19:46:02,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:46:02,323 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_8e5145d0-9ccf-46e0-b384-c0552cd85437/sv-benchmarks/c/float-benchs/inv_square-2.c[484,497] [2024-11-08 19:46:02,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:02,355 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:46:02,372 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_8e5145d0-9ccf-46e0-b384-c0552cd85437/sv-benchmarks/c/float-benchs/inv_square-2.c[484,497] [2024-11-08 19:46:02,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:02,398 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:46:02,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02 WrapperNode [2024-11-08 19:46:02,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:02,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:02,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:46:02,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:46:02,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,439 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-11-08 19:46:02,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:02,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:46:02,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:46:02,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:46:02,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:46:02,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:46:02,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:46:02,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:46:02,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:02" (1/1) ... [2024-11-08 19:46:02,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:02,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:46:02,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:46:02,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:46:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:46:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:46:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:46:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:46:02,660 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:46:02,663 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:46:03,498 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-08 19:46:03,498 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:46:03,555 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:46:03,556 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:46:03,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:03 BoogieIcfgContainer [2024-11-08 19:46:03,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:46:03,557 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:46:03,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:46:03,568 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:46:03,568 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:03" (1/1) ... [2024-11-08 19:46:03,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:03,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 19:46:03,629 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 19:46:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:46:03,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:03,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:03,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:03,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:03,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:46:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:46:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:04,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:46:04,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:05,524 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 19:46:05,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:46:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 19:46:06,567 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 19:46:06,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:46:06,567 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-08 19:46:06,575 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 19:46:06,614 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:46:06,614 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-08 19:46:06,614 INFO L75 FloydHoareUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2024-11-08 19:46:06,615 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-08 19:46:06,615 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:46:06,615 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2024-11-08 19:46:06,615 INFO L77 FloydHoareUtils]: At program point L22(lines 22 26) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 1.0))) (and (fp.leq |ULTIMATE.start_main_~x~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~x~0#1| (fp.neg .cse0)) (= currentRoundingMode roundNearestTiesToEven))) [2024-11-08 19:46:06,616 INFO L77 FloydHoareUtils]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2024-11-08 19:46:06,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:46:06 ImpRootNode [2024-11-08 19:46:06,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:46:06,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:46:06,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:46:06,632 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:46:06,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:03" (3/4) ... [2024-11-08 19:46:06,636 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:46:06,644 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 19:46:06,645 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 19:46:06,646 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:46:06,650 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:46:06,756 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:46:06,759 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:46:06,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:46:06,760 INFO L158 Benchmark]: Toolchain (without parser) took 4715.13ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 50.5MB in the beginning and 63.1MB in the end (delta: -12.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-08 19:46:06,761 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:46:06,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.29ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 37.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:46:06,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.73ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 36.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:46:06,763 INFO L158 Benchmark]: Boogie Preprocessor took 40.74ms. Allocated memory is still 73.4MB. Free memory was 36.0MB in the beginning and 34.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:46:06,764 INFO L158 Benchmark]: RCFGBuilder took 1075.78ms. Allocated memory is still 73.4MB. Free memory was 34.5MB in the beginning and 43.0MB in the end (delta: -8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:46:06,764 INFO L158 Benchmark]: CodeCheck took 3072.15ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 43.0MB in the beginning and 67.3MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:46:06,767 INFO L158 Benchmark]: Witness Printer took 128.36ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 63.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:46:06,771 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, 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, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 2 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 7 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 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.29ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 37.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.73ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 36.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.74ms. Allocated memory is still 73.4MB. Free memory was 36.0MB in the beginning and 34.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1075.78ms. Allocated memory is still 73.4MB. Free memory was 34.5MB in the beginning and 43.0MB in the end (delta: -8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 3072.15ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 43.0MB in the beginning and 67.3MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 128.36ms. Allocated memory is still 96.5MB. Free memory was 67.3MB in the beginning and 63.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:46:06,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5145d0-9ccf-46e0-b384-c0552cd85437/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: TRUE