./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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 f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:57:06,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:57:06,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:57:06,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:57:06,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:57:06,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:57:06,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:57:06,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:57:06,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:57:06,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:57:06,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:57:06,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:57:06,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:57:06,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:57:06,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:57:06,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:57:06,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:57:06,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:57:06,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:57:06,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:57:06,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:57:06,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:57:06,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:57:06,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:57:06,245 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:57:06,245 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:57:06,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:57:06,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:06,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:57:06,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:57:06,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:57:06,251 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:57:06,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:57:06,252 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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 [2024-11-08 23:57:06,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:57:06,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:57:06,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:57:06,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:57:06,613 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:57:06,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-08 23:57:08,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:57:08,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:57:08,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2024-11-08 23:57:08,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/data/55bf7c282/4767cf96beaf49afa628a51c83101f48/FLAGa8d706217 [2024-11-08 23:57:08,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/data/55bf7c282/4767cf96beaf49afa628a51c83101f48 [2024-11-08 23:57:08,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:57:08,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:57:08,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:08,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:57:08,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:57:08,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:08" (1/1) ... [2024-11-08 23:57:08,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8e2744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:08, skipping insertion in model container [2024-11-08 23:57:08,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:08" (1/1) ... [2024-11-08 23:57:08,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:57:09,216 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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2024-11-08 23:57:09,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:09,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:57:09,257 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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2024-11-08 23:57:09,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:09,279 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:57:09,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09 WrapperNode [2024-11-08 23:57:09,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:09,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:09,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:57:09,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:57:09,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,321 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 110 [2024-11-08 23:57:09,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:09,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:57:09,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:57:09,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:57:09,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:57:09,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:57:09,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:57:09,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:57:09,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:09,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:57:09,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:57:09,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:57:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:57:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:57:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:57:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 23:57:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:57:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 23:57:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:57:09,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:57:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:57:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:57:09,537 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:57:09,539 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:57:09,810 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 23:57:09,810 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:57:09,941 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:57:09,942 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:57:09,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:09 BoogieIcfgContainer [2024-11-08 23:57:09,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:57:09,943 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:57:09,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:57:09,955 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:57:09,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:09" (1/1) ... [2024-11-08 23:57:09,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:57:10,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 23:57:10,051 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 23:57:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:57:10,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:10,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:57:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 23:57:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 23:57:10,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:57:10,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:10,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:57:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-08 23:57:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-08 23:57:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:57:10,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:10,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:57:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-08 23:57:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-08 23:57:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:57:10,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:10,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:57:10,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:57:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:57:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:57:11,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:57:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:57:11,062 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-08 23:57:11,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:57:11 ImpRootNode [2024-11-08 23:57:11,117 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:57:11,118 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:57:11,118 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:57:11,118 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:57:11,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:09" (3/4) ... [2024-11-08 23:57:11,121 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:57:11,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:57:11,125 INFO L158 Benchmark]: Toolchain (without parser) took 2177.81ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 74.1MB in the end (delta: 45.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:11,126 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:57:11,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.95ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 105.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:57:11,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.02ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:57:11,127 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 102.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:11,128 INFO L158 Benchmark]: RCFGBuilder took 588.71ms. Allocated memory is still 157.3MB. Free memory was 102.8MB in the beginning and 86.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:57:11,131 INFO L158 Benchmark]: CodeCheck took 1173.74ms. Allocated memory is still 157.3MB. Free memory was 86.5MB in the beginning and 75.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-08 23:57:11,133 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 157.3MB. Free memory was 75.1MB in the beginning and 74.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:57:11,138 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 47 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 10 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 96]: 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 bitwiseAnd at line 45, overapproximation of someBinaryArithmeticDOUBLEoperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of to_real at line 46. Possible FailurePath: [L1] int __return_main; [L17] double __return_104; [L20] double main__a; [L21] double main__r; [L22] main__a = __VERIFIER_nondet_double() [L23] int main____CPAchecker_TMP_0; VAL [__return_104=0, __return_main=0] [L24] COND TRUE main__a >= 20.0 VAL [__return_104=0, __return_main=0] [L26] COND TRUE main__a <= 30.0 [L28] main____CPAchecker_TMP_0 = 1 VAL [__return_104=0, __return_main=0, main____CPAchecker_TMP_0=1] [L30] COND TRUE main____CPAchecker_TMP_0 != 0 [L33] double __tmp_1; [L34] __tmp_1 = main__a [L35] double inv__A; [L36] inv__A = __tmp_1 [L37] double inv__xi; [L38] double inv__xsi; [L39] double inv__temp; [L40] signed int inv__cond; [L41] signed int inv__exp; [L42] union double_int inv__A_u; [L43] union double_int inv__xi_u; [L44] inv__A_u.d = inv__A [L45] EXPR inv__A_u.i [L45] EXPR (inv__A_u.i) & 2146435072 [L45] inv__exp = ((signed int)(((inv__A_u.i) & 2146435072) >> 20)) - 1023 [L46] inv__xi_u.d = 1 [L47] inv__xi_u.i = (1023 - inv__exp) << 20 [L48] EXPR inv__xi_u.d [L48] inv__xi = inv__xi_u.d [L49] inv__cond = 1 VAL [__return_104=0, __return_main=0, inv__cond=1, inv__xi=2] [L51] COND TRUE !(inv__cond == 0) [L53] inv__xsi = (2 * inv__xi) - ((inv__A * inv__xi) * inv__xi) [L54] inv__temp = inv__xsi - inv__xi [L55] int inv____CPAchecker_TMP_0; VAL [__return_104=0, __return_main=0, inv__xi=2] [L56] COND FALSE !(inv__temp > 1.0E-10) VAL [__return_104=0, __return_main=0, inv__xi=2] [L67] COND FALSE !(inv__temp < -1.0E-10) [L73] inv____CPAchecker_TMP_0 = 0 VAL [__return_104=0, __return_main=0, inv____CPAchecker_TMP_0=0, inv__xi=2] [L61] inv__cond = inv____CPAchecker_TMP_0 [L62] inv__xi = inv__xsi VAL [__return_104=0, __return_main=0, inv__cond=0, inv__xi=4] [L51] COND FALSE !(!(inv__cond == 0)) [L80] __return_104 = inv__xi [L81] main__r = __return_104 [L82] int main____CPAchecker_TMP_1; VAL [__return_104=4, __return_main=0] [L83] COND FALSE !(main__r >= 0) VAL [__return_104=4, __return_main=0] [L108] main____CPAchecker_TMP_1 = 0 VAL [__return_104=4, __return_main=0, main____CPAchecker_TMP_1=0] [L90] int __tmp_2; [L91] __tmp_2 = main____CPAchecker_TMP_1 [L92] int __VERIFIER_assert__cond; [L93] __VERIFIER_assert__cond = __tmp_2 VAL [__VERIFIER_assert__cond=0, __return_104=4, __return_main=0] [L94] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_104=4, __return_main=0] [L96] reach_error() VAL [__return_104=4, __return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.95ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 105.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.02ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.42ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 102.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.71ms. Allocated memory is still 157.3MB. Free memory was 102.8MB in the beginning and 86.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1173.74ms. Allocated memory is still 157.3MB. Free memory was 86.5MB in the beginning and 75.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 157.3MB. Free memory was 75.1MB in the beginning and 74.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:57:11,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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 f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:57:13,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:57:13,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:57:13,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:57:13,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:57:13,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:57:13,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:57:13,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:57:13,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:57:13,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:57:13,895 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:57:13,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:57:13,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:57:13,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:57:13,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:57:13,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:57:13,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:57:13,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:57:13,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:57:13,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:57:13,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:57:13,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:57:13,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:57:13,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:57:13,907 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:57:13,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:57:13,908 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:13,908 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:57:13,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:57:13,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:13,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:57:13,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:57:13,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:57:13,910 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:57:13,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:13,913 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:57:13,913 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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 [2024-11-08 23:57:14,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:57:14,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:57:14,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:57:14,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:57:14,365 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:57:14,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-08 23:57:16,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:57:17,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:57:17,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2024-11-08 23:57:17,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/data/7e10917f8/d5052b5c456d461aa4ee74b55b1bc278/FLAG1d8e91287 [2024-11-08 23:57:17,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/data/7e10917f8/d5052b5c456d461aa4ee74b55b1bc278 [2024-11-08 23:57:17,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:57:17,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:57:17,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:17,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:57:17,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:57:17,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d2a1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17, skipping insertion in model container [2024-11-08 23:57:17,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:57:17,453 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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2024-11-08 23:57:17,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:17,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:57:17,523 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_146146a6-2cbf-4fef-b4b1-ccf38f53692e/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2024-11-08 23:57:17,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:17,565 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:57:17,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17 WrapperNode [2024-11-08 23:57:17,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:17,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:17,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:57:17,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:57:17,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,628 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2024-11-08 23:57:17,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:17,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:57:17,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:57:17,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:57:17,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:57:17,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:57:17,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:57:17,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:57:17,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:17" (1/1) ... [2024-11-08 23:57:17,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:17,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:57:17,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:57:17,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:57:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:57:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-08 23:57:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-08 23:57:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:57:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:57:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:57:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:57:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:57:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:57:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:57:17,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:57:17,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:57:28,328 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 23:57:28,329 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:57:28,366 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:57:28,367 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:57:28,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:28 BoogieIcfgContainer [2024-11-08 23:57:28,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:57:28,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:57:28,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:57:28,386 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:57:28,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:57:28" (1/1) ... [2024-11-08 23:57:28,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:57:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 23:57:28,468 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 23:57:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:57:28,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:28,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:28,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:28,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:28,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:57:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:28,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:28,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:57:28,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:57:28,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:57:39,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:57:49,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:57:49,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-08 23:57:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-08 23:57:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:57:49,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:49,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:49,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:49,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:49,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:57:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:50,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:50,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:57:50,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:57:50,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:57:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 23:57:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 23:57:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:57:50,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:50,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:50,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:50,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:50,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:57:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:50,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:50,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:57:50,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:57:51,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:57:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-08 23:57:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-08 23:57:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:57:51,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:51,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:51,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:51,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:51,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:57:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:54,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:04,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:58:04,583 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:58:04,587 INFO L158 Benchmark]: Toolchain (without parser) took 47480.33ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.9MB in the beginning and 47.1MB in the end (delta: -13.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-08 23:58:04,588 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:58:04,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.87ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.6MB in the beginning and 60.0MB in the end (delta: -26.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 23:58:04,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.72ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 58.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:58:04,591 INFO L158 Benchmark]: Boogie Preprocessor took 40.76ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 56.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:58:04,592 INFO L158 Benchmark]: RCFGBuilder took 10693.64ms. Allocated memory is still 86.0MB. Free memory was 56.6MB in the beginning and 41.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:58:04,593 INFO L158 Benchmark]: CodeCheck took 36212.31ms. Allocated memory is still 86.0MB. Free memory was 41.9MB in the beginning and 47.1MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:58:04,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.87ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.6MB in the beginning and 60.0MB in the end (delta: -26.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.72ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 58.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.76ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 56.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10693.64ms. Allocated memory is still 86.0MB. Free memory was 56.6MB in the beginning and 41.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 36212.31ms. Allocated memory is still 86.0MB. Free memory was 41.9MB in the beginning and 47.1MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:58:04,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146146a6-2cbf-4fef-b4b1-ccf38f53692e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown