./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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 ae4391defacca69a38cbe50f54517d5a9901ae5aadf26a16d1de8c85a3ebd382 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:41:45,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:41:45,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:41:45,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:41:45,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:41:45,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:41:45,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:41:45,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:41:45,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:41:45,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:41:45,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:41:45,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:41:45,166 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:41:45,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:41:45,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:41:45,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:41:45,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:41:45,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:41:45,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:41:45,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:41:45,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:41:45,167 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:41:45,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:41:45,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:41:45,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:41:45,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:41:45,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:41:45,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:41:45,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:41:45,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:41:45,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:41:45,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:41:45,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:41:45,171 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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 -> ae4391defacca69a38cbe50f54517d5a9901ae5aadf26a16d1de8c85a3ebd382 [2024-11-25 04:41:45,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:41:45,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:41:45,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:41:45,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:41:45,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:41:45,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2024-11-25 04:41:48,574 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data/15dd706f2/f4c7318b1af34bd6b89afa20937a808f/FLAG5c6934e71 [2024-11-25 04:41:48,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:41:48,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2024-11-25 04:41:48,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data/15dd706f2/f4c7318b1af34bd6b89afa20937a808f/FLAG5c6934e71 [2024-11-25 04:41:49,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data/15dd706f2/f4c7318b1af34bd6b89afa20937a808f [2024-11-25 04:41:49,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:41:49,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:41:49,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:41:49,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:41:49,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:41:49,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f4e6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49, skipping insertion in model container [2024-11-25 04:41:49,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:41:49,363 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[1372,1385] [2024-11-25 04:41:49,376 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[2411,2424] [2024-11-25 04:41:49,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:41:49,403 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:41:49,425 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[1372,1385] [2024-11-25 04:41:49,434 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[2411,2424] [2024-11-25 04:41:49,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:41:49,469 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:41:49,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49 WrapperNode [2024-11-25 04:41:49,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:41:49,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:41:49,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:41:49,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:41:49,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,512 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 137 [2024-11-25 04:41:49,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:41:49,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:41:49,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:41:49,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:41:49,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:41:49,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:41:49,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:41:49,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:41:49,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:41:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:41:49,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:41:49,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:41:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:41:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:41:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:41:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:41:49,698 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:41:49,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:41:49,908 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:41:49,908 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:41:49,944 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:41:49,944 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:41:49,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:49 BoogieIcfgContainer [2024-11-25 04:41:49,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:41:49,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:41:49,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:41:49,958 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:41:49,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:49" (1/1) ... [2024-11-25 04:41:49,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:41:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:41:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2024-11-25 04:41:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-11-25 04:41:50,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:41:50,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:41:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:41:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:41:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:41:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:41:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2024-11-25 04:41:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2024-11-25 04:41:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:41:50,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:41:50,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:41:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:41:50,408 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:41:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:41:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:41:50,494 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:41:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:41:50,542 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:41:50,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:41:50 ImpRootNode [2024-11-25 04:41:50,583 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:41:50,584 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:41:50,584 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:41:50,584 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:41:50,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:49" (3/4) ... [2024-11-25 04:41:50,588 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:41:50,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:41:50,589 INFO L158 Benchmark]: Toolchain (without parser) took 1446.21ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 43.1MB in the end (delta: 49.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:41:50,590 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:41:50,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.49ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:41:50,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.87ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:41:50,592 INFO L158 Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.5MB in the end (delta: 898.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:41:50,593 INFO L158 Benchmark]: RCFGBuilder took 390.54ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.8MB in the end (delta: 13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:41:50,593 INFO L158 Benchmark]: CodeCheck took 637.89ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 43.3MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:41:50,593 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 43.1MB in the end (delta: 177.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:41:50,597 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, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 59]: 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 177, overapproximation of someBinaryDOUBLEComparisonOperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of to_real at line 24, overapproximation of to_real at line 42. Possible FailurePath: [L1] int __return_main; [L13] int __tmp_129_0; [L14] int __tmp_129_1; [L15] int __tmp_129_2; [L16] int __tmp_112_0; [L17] int __return_134; [L20] double main__E0; [L21] double main__E1; [L22] double main__S; [L23] int main__i; [L24] main__E1 = 0 [L25] main__S = 0 [L26] main__i = 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__i=0] [L27] COND TRUE main__i <= 1000000 [L29] main__E0 = __VERIFIER_nondet_double() [L30] int main____CPAchecker_TMP_0; VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__i=0] [L31] COND TRUE main__E0 >= -1.0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__i=0] [L33] COND TRUE main__E0 <= 1.0 [L35] main____CPAchecker_TMP_0 = 1 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main__i=0] [L36] COND TRUE main____CPAchecker_TMP_0 != 0 [L38] int main____CPAchecker_TMP_1; [L39] main____CPAchecker_TMP_1 = __VERIFIER_nondet_int() [L40] COND TRUE !(main____CPAchecker_TMP_1 == 0) [L42] main__S = 0 [L44] main__E1 = main__E0 [L45] int main____CPAchecker_TMP_2; VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=-1, main__i=0] [L46] COND FALSE !(main__S >= -10000.0) VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=-1, main__i=0] [L166] main____CPAchecker_TMP_2 = 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=-1, main____CPAchecker_TMP_2=0, main__i=0] [L53] int __tmp_1; [L54] __tmp_1 = main____CPAchecker_TMP_2 [L55] int __VERIFIER_assert__cond; [L56] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=-1, main____CPAchecker_TMP_2=0, main__i=0] [L57] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=-1, main____CPAchecker_TMP_2=0, main__i=0] [L59] reach_error() VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=-1, main____CPAchecker_TMP_2=0, main__i=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.49ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.87ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.91ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.5MB in the end (delta: 898.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.54ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.8MB in the end (delta: 13.7MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 637.89ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 43.3MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 43.1MB in the end (delta: 177.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:41:50,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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 ae4391defacca69a38cbe50f54517d5a9901ae5aadf26a16d1de8c85a3ebd382 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:41:53,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:41:53,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:41:53,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:41:53,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:41:53,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:41:53,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:41:53,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:41:53,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:41:53,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:41:53,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:41:53,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:41:53,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:41:53,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:41:53,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:41:53,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:41:53,734 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:41:53,734 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:41:53,735 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:41:53,735 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:41:53,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:41:53,735 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:41:53,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:41:53,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:41:53,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:41:53,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:41:53,736 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:41:53,736 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:41:53,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:41:53,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:41:53,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:41:53,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:41:53,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:41:53,737 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:41:53,737 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:41:53,737 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:41:53,737 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/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 -> ae4391defacca69a38cbe50f54517d5a9901ae5aadf26a16d1de8c85a3ebd382 [2024-11-25 04:41:54,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:41:54,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:41:54,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:41:54,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:41:54,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:41:54,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2024-11-25 04:41:57,311 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data/1c340ec73/b3b07109abda4b89b5381a437ece5c19/FLAG9f28f4333 [2024-11-25 04:41:57,537 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:41:57,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c [2024-11-25 04:41:57,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data/1c340ec73/b3b07109abda4b89b5381a437ece5c19/FLAG9f28f4333 [2024-11-25 04:41:57,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/data/1c340ec73/b3b07109abda4b89b5381a437ece5c19 [2024-11-25 04:41:57,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:41:57,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:41:57,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:41:57,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:41:57,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:41:57,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:57" (1/1) ... [2024-11-25 04:41:57,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52006c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57, skipping insertion in model container [2024-11-25 04:41:57,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:57" (1/1) ... [2024-11-25 04:41:57,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:41:58,069 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[1372,1385] [2024-11-25 04:41:58,079 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[2411,2424] [2024-11-25 04:41:58,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:41:58,106 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:41:58,123 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[1372,1385] [2024-11-25 04:41:58,128 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_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/sv-benchmarks/c/float-benchs/filter1.c.v+nlh-reducer.c[2411,2424] [2024-11-25 04:41:58,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:41:58,150 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:41:58,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58 WrapperNode [2024-11-25 04:41:58,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:41:58,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:41:58,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:41:58,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:41:58,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,204 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 136 [2024-11-25 04:41:58,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:41:58,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:41:58,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:41:58,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:41:58,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,238 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:41:58,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:41:58,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:41:58,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:41:58,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:58" (1/1) ... [2024-11-25 04:41:58,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:41:58,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:41:58,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:41:58,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:41:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:41:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:41:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:41:58,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:41:58,436 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:41:58,438 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:42:18,797 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 04:42:18,797 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:42:18,854 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:42:18,854 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:42:18,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:18 BoogieIcfgContainer [2024-11-25 04:42:18,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:42:18,856 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:42:18,856 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:42:18,869 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:42:18,869 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:18" (1/1) ... [2024-11-25 04:42:18,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:42:18,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2024-11-25 04:42:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-11-25 04:42:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:42:18,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:18,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:18,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:18,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:18,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:42:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:19,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:19,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:42:19,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:19,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:42:29,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2024-11-25 04:42:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-11-25 04:42:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:42:29,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:29,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:29,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:29,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:29,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:42:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:30,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:31,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:42:31,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:32,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:42:34,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:35,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:42:40,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:42:51,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:42:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2024-11-25 04:42:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-11-25 04:42:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:42:51,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:51,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:51,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:51,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:51,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:42:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:52,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:52,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:42:52,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:53,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 04:42:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-25 04:42:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 04:42:53,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:42:53,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:53,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:53,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:53,643 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:53,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:42:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:53,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:53,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:42:53,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:54,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:42:59,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:42:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-25 04:42:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-25 04:42:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:42:59,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:59,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:42:59,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:42:59,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:42:59,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:42:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:59,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:42:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:59,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:42:59,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:59,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:43:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-25 04:43:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-25 04:43:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:43:00,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:00,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:43:00,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:43:00,324 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:43:00,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:43:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:01,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:43:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:43:12,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:43:12,282 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) [2024-11-25 04:43:12,286 INFO L158 Benchmark]: Toolchain (without parser) took 74408.61ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 29.8MB in the end (delta: 31.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-25 04:43:12,287 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:43:12,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.85ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.2MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:43:12,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.28ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:43:12,289 INFO L158 Benchmark]: Boogie Preprocessor took 50.53ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 45.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:43:12,290 INFO L158 Benchmark]: RCFGBuilder took 20597.10ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 29.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:43:12,290 INFO L158 Benchmark]: CodeCheck took 53429.44ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 29.8MB in the end (delta: 177.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:43:12,293 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 0.50ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.85ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.2MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.28ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.53ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 45.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 20597.10ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 29.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 53429.44ms. Allocated memory is still 83.9MB. Free memory was 29.9MB in the beginning and 29.8MB in the end (delta: 177.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:43:12,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af1da67-4dec-4cc7-9f5a-0a59327f99c9/bin/ukojak-verify-ENZ3QT5qd3/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