./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3 --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 afde2bd0ce234bf8b4933e5a5437c8e1946600ea23fb2a4648cacd72bbfda8e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:10:58,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:10:58,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:10:58,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:10:58,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:10:58,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:10:58,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:10:58,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:10:58,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:10:58,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:10:58,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:10:58,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:10:58,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:10:58,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:10:58,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:10:58,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:10:58,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:10:58,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:10:58,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:10:58,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:10:58,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:10:58,267 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:10:58,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:10:58,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:10:58,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:10:58,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:10:58,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:10:58,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:58,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:10:58,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:10:58,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:10:58,268 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:10:58,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:10:58,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3 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 -> afde2bd0ce234bf8b4933e5a5437c8e1946600ea23fb2a4648cacd72bbfda8e3 [2024-11-24 18:10:58,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:10:58,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:10:58,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:10:58,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:10:58,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:10:58,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2024-11-24 18:11:02,147 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data/940e383ef/a95da4b6920f44f2866b4bdf41453686/FLAG86e7c3213 [2024-11-24 18:11:02,492 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:11:02,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2024-11-24 18:11:02,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data/940e383ef/a95da4b6920f44f2866b4bdf41453686/FLAG86e7c3213 [2024-11-24 18:11:02,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data/940e383ef/a95da4b6920f44f2866b4bdf41453686 [2024-11-24 18:11:02,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:11:02,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:11:02,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:11:02,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:11:02,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:11:02,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77245d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02, skipping insertion in model container [2024-11-24 18:11:02,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:11:02,767 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_cd55005b-c6a1-4383-b27f-6163c87e5f8d/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2024-11-24 18:11:02,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:11:02,793 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:11:02,813 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_cd55005b-c6a1-4383-b27f-6163c87e5f8d/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2024-11-24 18:11:02,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:11:02,835 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:11:02,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02 WrapperNode [2024-11-24 18:11:02,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:11:02,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:11:02,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:11:02,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:11:02,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,883 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-24 18:11:02,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:11:02,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:11:02,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:11:02,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:11:02,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:11:02,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:11:02,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:11:02,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:11:02,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:02" (1/1) ... [2024-11-24 18:11:02,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:11:02,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:11:02,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:11:02,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:11:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:11:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:11:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:11:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:11:03,069 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:11:03,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:11:03,229 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-24 18:11:03,229 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:11:03,269 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:11:03,270 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:11:03,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:11:03 BoogieIcfgContainer [2024-11-24 18:11:03,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:11:03,272 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:11:03,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:11:03,287 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:11:03,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:11:03" (1/1) ... [2024-11-24 18:11:03,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:11:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:11:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:11:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:11:03,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:11:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:11:03,518 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:11:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:11:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:11:03,582 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:11:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:11:03,603 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:11:03,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:11:03 ImpRootNode [2024-11-24 18:11:03,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:11:03,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:11:03,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:11:03,640 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:11:03,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:11:03" (3/4) ... [2024-11-24 18:11:03,644 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:11:03,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:11:03,649 INFO L158 Benchmark]: Toolchain (without parser) took 1117.85ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 53.2MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:11:03,650 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:11:03,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.30ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 74.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:11:03,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.79ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:11:03,651 INFO L158 Benchmark]: Boogie Preprocessor took 20.03ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 73.2MB in the end (delta: 672.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:11:03,652 INFO L158 Benchmark]: RCFGBuilder took 366.11ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 63.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:11:03,654 INFO L158 Benchmark]: CodeCheck took 364.97ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 53.5MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:11:03,655 INFO L158 Benchmark]: Witness Printer took 7.00ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 53.2MB in the end (delta: 318.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:11:03,658 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 27]: 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 someBinaryArithmeticDOUBLEoperation at line 10, overapproximation of someBinaryFLOATComparisonOperation at line 12. Possible FailurePath: [L1] int __return_main; [L9] float main__x = 1.0; [L10] float main__x1 = main__x / 2.5; VAL [__return_main=0] [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L27] reach_error() VAL [__return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.30ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 74.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.79ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.03ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 73.2MB in the end (delta: 672.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.11ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 63.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 364.97ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 53.5MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.00ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 53.2MB in the end (delta: 318.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:11:03,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3 --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 afde2bd0ce234bf8b4933e5a5437c8e1946600ea23fb2a4648cacd72bbfda8e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:11:07,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:11:07,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:11:07,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:11:07,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:11:07,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:11:07,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:11:07,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:11:07,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:11:07,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:11:07,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:11:07,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:11:07,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:11:07,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:11:07,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:11:07,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:11:07,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:11:07,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:11:07,404 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:07,404 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:11:07,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:11:07,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:11:07,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:11:07,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:11:07,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:11:07,405 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:11:07,405 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:07,405 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:11:07,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3 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 -> afde2bd0ce234bf8b4933e5a5437c8e1946600ea23fb2a4648cacd72bbfda8e3 [2024-11-24 18:11:07,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:11:07,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:11:07,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:11:07,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:11:07,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:11:07,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2024-11-24 18:11:11,645 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data/64d46e205/d56ff1331ee14e109314cb12db7e1aa6/FLAG6ffa9afbc [2024-11-24 18:11:11,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:11:11,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c [2024-11-24 18:11:11,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data/64d46e205/d56ff1331ee14e109314cb12db7e1aa6/FLAG6ffa9afbc [2024-11-24 18:11:12,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/data/64d46e205/d56ff1331ee14e109314cb12db7e1aa6 [2024-11-24 18:11:12,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:11:12,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:11:12,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:11:12,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:11:12,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:11:12,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e13c577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12, skipping insertion in model container [2024-11-24 18:11:12,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:11:12,442 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_cd55005b-c6a1-4383-b27f-6163c87e5f8d/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2024-11-24 18:11:12,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:11:12,465 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:11:12,478 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_cd55005b-c6a1-4383-b27f-6163c87e5f8d/sv-benchmarks/c/floats-esbmc-regression/Float_div.i.p+cfa-reducer.c[667,680] [2024-11-24 18:11:12,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:11:12,495 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:11:12,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12 WrapperNode [2024-11-24 18:11:12,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:11:12,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:11:12,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:11:12,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:11:12,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,528 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-24 18:11:12,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:11:12,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:11:12,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:11:12,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:11:12,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,544 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:11:12,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:11:12,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:11:12,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:11:12,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:11:12" (1/1) ... [2024-11-24 18:11:12,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:11:12,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:11:12,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:11:12,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:11:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:11:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:11:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:11:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:11:12,681 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:11:12,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:11:24,201 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-24 18:11:24,202 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:11:24,233 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:11:24,233 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:11:24,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:11:24 BoogieIcfgContainer [2024-11-24 18:11:24,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:11:24,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:11:24,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:11:24,248 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:11:24,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:11:24" (1/1) ... [2024-11-24 18:11:24,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:11:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:11:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:11:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:11:24,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:24,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:24,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:24,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:24,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:11:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:25,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:11:35,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:11:35,140 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) [2024-11-24 18:11:35,146 INFO L158 Benchmark]: Toolchain (without parser) took 22897.46ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 30.4MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 18:11:35,147 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:11:35,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.40ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:11:35,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.34ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 48.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:11:35,149 INFO L158 Benchmark]: Boogie Preprocessor took 22.39ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 47.2MB in the end (delta: 989.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:11:35,150 INFO L158 Benchmark]: RCFGBuilder took 11681.74ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 37.4MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:11:35,150 INFO L158 Benchmark]: CodeCheck took 10909.84ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 30.4MB in the end (delta: 7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:11:35,154 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 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.40ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.34ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 48.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.39ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 47.2MB in the end (delta: 989.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11681.74ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 37.4MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10909.84ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 30.4MB in the end (delta: 7.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:11:35,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd55005b-c6a1-4383-b27f-6163c87e5f8d/bin/ukojak-verify-ENZ3QT5qd3/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