./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14ef7b4695081d3e006bc43e895bc31c74bdc7ec3cae3cedfb7a87dd07fa43f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:59,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:59,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:50:59,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:50:59,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:50:59,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:59,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:59,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:59,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:59,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:59,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:59,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:59,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:50:59,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:50:59,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:50:59,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:59,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:59,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:59,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:59,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:59,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:50:59,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:59,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:59,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:59,972 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:59,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:59,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:59,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:59,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:59,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:59,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:59,974 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:50:59,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:50:59,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14ef7b4695081d3e006bc43e895bc31c74bdc7ec3cae3cedfb7a87dd07fa43f0 [2024-11-13 20:51:00,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:51:00,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:51:00,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:51:00,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:51:00,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:51:00,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/square_1.i Unable to find full path for "g++" [2024-11-13 20:51:02,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:02,645 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:02,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/sv-benchmarks/c/floats-cdfpl/square_1.i [2024-11-13 20:51:02,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/data/2cc67e23e/311313eea0e049aabb04181584ec58a1/FLAGc36f4d1ef [2024-11-13 20:51:02,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/data/2cc67e23e/311313eea0e049aabb04181584ec58a1 [2024-11-13 20:51:02,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:02,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:02,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:02,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:02,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:02,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aad768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02, skipping insertion in model container [2024-11-13 20:51:02,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:03,126 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_ac377233-e310-4774-922c-d577f29f8505/sv-benchmarks/c/floats-cdfpl/square_1.i[1626,1639] [2024-11-13 20:51:03,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:03,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:03,154 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_ac377233-e310-4774-922c-d577f29f8505/sv-benchmarks/c/floats-cdfpl/square_1.i[1626,1639] [2024-11-13 20:51:03,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:03,167 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:03,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03 WrapperNode [2024-11-13 20:51:03,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:03,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:03,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:03,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:03,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,195 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-13 20:51:03,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:03,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:03,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:03,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:03,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:03,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:03,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:03,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:03,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:03,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:03,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:51:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:03,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:03,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:03,498 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:03,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:03,570 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:03,570 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:51:03,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:03 BoogieIcfgContainer [2024-11-13 20:51:03,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:03,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:03,571 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:03,586 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:03,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:51:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:51:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:51:03,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:03,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:03,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:03,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:03,857 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:51:03,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:51:03 ImpRootNode [2024-11-13 20:51:03,880 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:51:03,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:51:03,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:51:03,883 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:51:03,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:03" (3/4) ... [2024-11-13 20:51:03,888 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:51:03,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:51:03,890 INFO L158 Benchmark]: Toolchain (without parser) took 958.42ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 85.6MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:51:03,892 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:03,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.57ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:51:03,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.74ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.7MB in the end (delta: 969.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:03,894 INFO L158 Benchmark]: Boogie Preprocessor took 14.81ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 736.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:03,896 INFO L158 Benchmark]: RCFGBuilder took 359.30ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.6MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:03,897 INFO L158 Benchmark]: CodeCheck took 309.56ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 85.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:51:03,897 INFO L158 Benchmark]: Witness Printer took 7.53ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 238.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:03,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 38]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 30, overapproximation of someBinaryFLOATComparisonOperation at line 37, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L30] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L32] float x = IN; [L34-L35] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L37] COND TRUE !(result >= 0.0f && result < 1.39f) [L38] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.57ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.74ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.7MB in the end (delta: 969.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.81ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 736.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.30ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.6MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 309.56ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 85.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.53ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 238.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:51:03,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14ef7b4695081d3e006bc43e895bc31c74bdc7ec3cae3cedfb7a87dd07fa43f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:51:06,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:51:06,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:51:06,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:51:06,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:51:06,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:51:06,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:51:06,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:51:06,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:51:06,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:51:06,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:51:06,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:51:06,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:51:06,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:51:06,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:51:06,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:51:06,943 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:51:06,943 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:51:06,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:51:06,943 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:51:06,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:51:06,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:51:06,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:51:06,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:51:06,947 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:51:06,947 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:51:06,947 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:06,948 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:51:06,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:51:06,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:06,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:51:06,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:51:06,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:51:06,948 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:51:06,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:06,948 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:51:06,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14ef7b4695081d3e006bc43e895bc31c74bdc7ec3cae3cedfb7a87dd07fa43f0 [2024-11-13 20:51:07,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:51:07,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:51:07,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:51:07,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:51:07,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:51:07,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/square_1.i Unable to find full path for "g++" [2024-11-13 20:51:09,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:09,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:09,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/sv-benchmarks/c/floats-cdfpl/square_1.i [2024-11-13 20:51:09,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/data/1127c5353/838408f14c364ed48ebea3dd96faf5c8/FLAGc30083a46 [2024-11-13 20:51:09,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/data/1127c5353/838408f14c364ed48ebea3dd96faf5c8 [2024-11-13 20:51:09,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:09,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:09,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:09,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:09,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:09,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:09" (1/1) ... [2024-11-13 20:51:09,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3f3b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:09, skipping insertion in model container [2024-11-13 20:51:09,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:09" (1/1) ... [2024-11-13 20:51:09,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:09,927 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_ac377233-e310-4774-922c-d577f29f8505/sv-benchmarks/c/floats-cdfpl/square_1.i[1626,1639] [2024-11-13 20:51:09,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:09,956 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:09,981 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_ac377233-e310-4774-922c-d577f29f8505/sv-benchmarks/c/floats-cdfpl/square_1.i[1626,1639] [2024-11-13 20:51:09,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:10,008 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:10,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10 WrapperNode [2024-11-13 20:51:10,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:10,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:10,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:10,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:10,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,058 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-13 20:51:10,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:10,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:10,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:10,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:10,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:10,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:10,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:10,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:10,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:10,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:10,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:10,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:10,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:51:10,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:10,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:10,285 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:10,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:20,515 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:20,515 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:20,590 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:20,590 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:51:20,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:20 BoogieIcfgContainer [2024-11-13 20:51:20,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:20,594 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:20,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:20,606 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:20,606 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:20" (1/1) ... [2024-11-13 20:51:20,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:51:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:51:20,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:51:20,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:20,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:20,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:20,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:20,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac377233-e310-4774-922c-d577f29f8505/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:51:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:26,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat