./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/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 bd7fa6dfe7a0889f513bad4c7cfc96eb426f92168ff26ce4409068874579f6bc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:43:56,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:43:56,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:43:56,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:43:56,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:43:56,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:43:56,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:43:56,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:43:56,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:43:56,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:43:56,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:43:56,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:43:56,978 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:43:56,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:43:56,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:43:56,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:43:56,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:43:56,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:43:56,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:43:56,982 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:43:56,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:43:56,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:43:56,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:43:56,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:43:56,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:43:56,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:43:56,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:43:56,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:43:56,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:43:56,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:43:56,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:43:56,990 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:43:56,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:43:56,995 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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7fa6dfe7a0889f513bad4c7cfc96eb426f92168ff26ce4409068874579f6bc [2024-11-08 23:43:57,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:43:57,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:43:57,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:43:57,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:43:57,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:43:57,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c Unable to find full path for "g++" [2024-11-08 23:43:59,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:43:59,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:43:59,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2024-11-08 23:43:59,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/data/ae2f9b0ca/a0f389e5f4474bb7810e56114eeeac37/FLAG1c64b852a [2024-11-08 23:43:59,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/data/ae2f9b0ca/a0f389e5f4474bb7810e56114eeeac37 [2024-11-08 23:43:59,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:43:59,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:43:59,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:43:59,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:43:59,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:43:59,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:43:59" (1/1) ... [2024-11-08 23:43:59,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ea6996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:59, skipping insertion in model container [2024-11-08 23:43:59,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:43:59" (1/1) ... [2024-11-08 23:43:59,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:00,154 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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c[472,485] [2024-11-08 23:44:00,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:00,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:00,205 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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c[472,485] [2024-11-08 23:44:00,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:00,233 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:00,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00 WrapperNode [2024-11-08 23:44:00,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:00,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:00,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:00,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:00,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,275 INFO L138 Inliner]: procedures = 15, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-08 23:44:00,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:00,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:00,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:00,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:00,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:00,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:00,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:00,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:00,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:00,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:00,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:00,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:44:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:00,471 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:00,473 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:00,661 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:00,661 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:00,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:00,747 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:44:00,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:00 BoogieIcfgContainer [2024-11-08 23:44:00,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:00,749 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:00,749 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:00,761 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:00,762 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:00" (1/1) ... [2024-11-08 23:44:00,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:00,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:44:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:44:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:44:00,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:01,043 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 23:44:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:01,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 23:44:01,078 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 23:44:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:44:01,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:01,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:01,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:01,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:01,279 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:44:01,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:44:01 ImpRootNode [2024-11-08 23:44:01,306 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:44:01,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:44:01,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:44:01,307 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:44:01,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:00" (3/4) ... [2024-11-08 23:44:01,311 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:44:01,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:44:01,313 INFO L158 Benchmark]: Toolchain (without parser) took 1385.04ms. Allocated memory is still 184.5MB. Free memory was 141.9MB in the beginning and 94.7MB in the end (delta: 47.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:01,314 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:01,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.33ms. Allocated memory is still 184.5MB. Free memory was 141.9MB in the beginning and 129.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:01,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.64ms. Allocated memory is still 184.5MB. Free memory was 129.3MB in the beginning and 127.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:01,316 INFO L158 Benchmark]: Boogie Preprocessor took 26.76ms. Allocated memory is still 184.5MB. Free memory was 127.7MB in the beginning and 126.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:01,316 INFO L158 Benchmark]: RCFGBuilder took 443.68ms. Allocated memory is still 184.5MB. Free memory was 126.3MB in the beginning and 113.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:01,317 INFO L158 Benchmark]: CodeCheck took 557.16ms. Allocated memory is still 184.5MB. Free memory was 113.1MB in the beginning and 94.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:44:01,318 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 184.5MB. Free memory was 94.9MB in the beginning and 94.7MB in the end (delta: 254.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:01,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 13]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of to_real at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L15] float pi = 3.14159 ; [L21] float x = __VERIFIER_nondet_float() ; [L22] float octant1 = 0 ; [L23] float octant2 = pi/8 ; [L24] CALL assume_abort_if_not(x > octant1 && x < octant2) [L11] COND FALSE !(!cond) [L24] RET assume_abort_if_not(x > octant1 && x < octant2) [L25] float oddExp = x ; [L26] float evenExp = 1.0 ; [L27] float term = x ; [L28] unsigned int count = 2 ; [L29] int multFactor = 0 ; [L30] int temp ; VAL [count=2, pi=314159/100000] [L32] COND TRUE 1 [L34] term = term * (x/count) [L35] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L37] evenExp = evenExp + multFactor*term [L39] count++ [L41] term = term * (x/count) [L43] oddExp = oddExp + multFactor*term [L45] count++ [L47] temp = __VERIFIER_nondet_int() [L48] COND TRUE temp == 0 VAL [count=4, pi=314159/100000] [L51] CALL __VERIFIER_assert( evenExp >= oddExp ) [L13] COND TRUE !(cond) VAL [pi=314159/100000] [L13] reach_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.33ms. Allocated memory is still 184.5MB. Free memory was 141.9MB in the beginning and 129.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.64ms. Allocated memory is still 184.5MB. Free memory was 129.3MB in the beginning and 127.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.76ms. Allocated memory is still 184.5MB. Free memory was 127.7MB in the beginning and 126.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.68ms. Allocated memory is still 184.5MB. Free memory was 126.3MB in the beginning and 113.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 557.16ms. Allocated memory is still 184.5MB. Free memory was 113.1MB in the beginning and 94.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 184.5MB. Free memory was 94.9MB in the beginning and 94.7MB in the end (delta: 254.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:44:01,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/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 bd7fa6dfe7a0889f513bad4c7cfc96eb426f92168ff26ce4409068874579f6bc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:03,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:03,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:44:03,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:03,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:03,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:03,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:03,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:03,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:03,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:03,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:03,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:03,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:03,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:03,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:03,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:03,975 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:44:03,975 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:44:03,979 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:03,980 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:44:03,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:03,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:03,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:03,982 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:03,982 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:03,983 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:03,983 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:03,983 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:44:03,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:03,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:03,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:03,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:03,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:03,986 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:44:03,987 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:03,987 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:44:03,987 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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7fa6dfe7a0889f513bad4c7cfc96eb426f92168ff26ce4409068874579f6bc [2024-11-08 23:44:04,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:04,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:04,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:04,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:04,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:04,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c Unable to find full path for "g++" [2024-11-08 23:44:06,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:06,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:06,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2024-11-08 23:44:06,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/data/f5d1cfe5b/a7aafe6c577140d19a4418ea147cf080/FLAG1505ce6d5 [2024-11-08 23:44:06,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/data/f5d1cfe5b/a7aafe6c577140d19a4418ea147cf080 [2024-11-08 23:44:06,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:06,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:06,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:06,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:06,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:06,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:06" (1/1) ... [2024-11-08 23:44:06,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6fc7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:06, skipping insertion in model container [2024-11-08 23:44:06,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:06" (1/1) ... [2024-11-08 23:44:06,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:07,022 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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c[472,485] [2024-11-08 23:44:07,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:07,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:07,085 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_0864273d-99bd-4b94-b7b6-a46c2cfd6246/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c[472,485] [2024-11-08 23:44:07,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:07,129 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:07,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07 WrapperNode [2024-11-08 23:44:07,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:07,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:07,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:07,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:07,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,181 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-08 23:44:07,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:07,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:07,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:07,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:07,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:07,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:07,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:07,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:07,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:07,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:07,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:07,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:44:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:07,472 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:07,476 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:17,784 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:17,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:17,901 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:17,901 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:44:17,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:17 BoogieIcfgContainer [2024-11-08 23:44:17,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:17,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:17,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:17,913 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:17,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:17" (1/1) ... [2024-11-08 23:44:17,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:44:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:44:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:44:17,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:17,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:17,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:17,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:17,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:44:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:18,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:18,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:44:18,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:18,248 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 23:44:18,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:44:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 23:44:18,376 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 23:44:18,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:44:18,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:18,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:18,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:18,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:18,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:44:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:20,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:30,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:44:30,761 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 23:44:30,766 INFO L158 Benchmark]: Toolchain (without parser) took 24016.89ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 56.4MB in the beginning and 81.9MB in the end (delta: -25.5MB). Peak memory consumption was 730.9kB. Max. memory is 16.1GB. [2024-11-08 23:44:30,767 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:30,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.69ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 42.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:30,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.20ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 41.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:30,770 INFO L158 Benchmark]: Boogie Preprocessor took 49.57ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 39.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:30,771 INFO L158 Benchmark]: RCFGBuilder took 10669.98ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 46.8MB in the end (delta: -7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:44:30,772 INFO L158 Benchmark]: CodeCheck took 12861.79ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 46.5MB in the beginning and 81.9MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:30,779 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 79.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.69ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 42.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.20ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 41.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.57ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 39.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10669.98ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 46.8MB in the end (delta: -7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 12861.79ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 46.5MB in the beginning and 81.9MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:44:30,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0864273d-99bd-4b94-b7b6-a46c2cfd6246/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown