./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b --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 27e2c506f8c4790ab21ed41c19bd1ea2839907b43d1ff7cacbbc276ad919ab4e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:45:51,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:45:51,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:45:51,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:45:51,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:45:51,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:45:51,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:45:51,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:45:51,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:45:51,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:45:51,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:45:51,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:45:51,599 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:45:51,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:45:51,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:45:51,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:45:51,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:45:51,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:45:51,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:45:51,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:45:51,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:45:51,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:45:51,601 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:45:51,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:45:51,601 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b 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 -> 27e2c506f8c4790ab21ed41c19bd1ea2839907b43d1ff7cacbbc276ad919ab4e [2024-12-06 02:45:51,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:45:51,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:45:51,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:45:51,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:45:51,804 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:45:51,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2024-12-06 02:45:54,448 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data/77920e0bd/ea01229359ba498a8d44c7d1236bdcdc/FLAG502a8e5e9 [2024-12-06 02:45:54,628 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:45:54,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2024-12-06 02:45:54,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data/77920e0bd/ea01229359ba498a8d44c7d1236bdcdc/FLAG502a8e5e9 [2024-12-06 02:45:55,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data/77920e0bd/ea01229359ba498a8d44c7d1236bdcdc [2024-12-06 02:45:55,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:45:55,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:45:55,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:45:55,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:45:55,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:45:55,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529cf478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55, skipping insertion in model container [2024-12-06 02:45:55,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:45:55,183 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[1355,1368] [2024-12-06 02:45:55,190 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[2394,2407] [2024-12-06 02:45:55,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:45:55,204 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:45:55,218 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[1355,1368] [2024-12-06 02:45:55,222 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[2394,2407] [2024-12-06 02:45:55,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:45:55,239 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:45:55,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55 WrapperNode [2024-12-06 02:45:55,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:45:55,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:45:55,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:45:55,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:45:55,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,268 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 133 [2024-12-06 02:45:55,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:45:55,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:45:55,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:45:55,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:45:55,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:45:55,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:45:55,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:45:55,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:45:55,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:45:55,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:45:55,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:45:55,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:45:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:45:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:45:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:45:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:45:55,401 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:45:55,403 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:45:55,529 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 02:45:55,529 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:45:55,558 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:45:55,558 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:45:55,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:55 BoogieIcfgContainer [2024-12-06 02:45:55,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:45:55,559 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:45:55,559 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:45:55,566 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:45:55,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:45:55,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-06 02:45:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 02:45:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:45:55,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:55,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:45:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-12-06 02:45:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-12-06 02:45:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:45:55,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:55,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:55,870 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:45:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:55,915 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:45:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:55,938 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:45:55,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:45:55 ImpRootNode [2024-12-06 02:45:55,962 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:45:55,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:45:55,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:45:55,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:45:55,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:55" (3/4) ... [2024-12-06 02:45:55,965 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:45:55,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:45:55,967 INFO L158 Benchmark]: Toolchain (without parser) took 935.57ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 44.4MB in the end (delta: 48.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 02:45:55,967 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:55,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.81ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:45:55,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.52ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:45:55,968 INFO L158 Benchmark]: Boogie Preprocessor took 17.86ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.9MB in the end (delta: 782.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:55,969 INFO L158 Benchmark]: RCFGBuilder took 270.94ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 65.5MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:45:55,969 INFO L158 Benchmark]: CodeCheck took 402.72ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 44.4MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:45:55,969 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 117.4MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:55,971 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.0s 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: 58]: 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 173, overapproximation of someBinaryDOUBLEComparisonOperation at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 32, overapproximation of to_real at line 41, overapproximation of to_real at line 23. Possible FailurePath: [L1] int __return_main; [L13] int __tmp_129_0; [L14] int __tmp_129_1; [L15] int __tmp_129_2; [L16] int __return_134; [L19] double main__E0; [L20] double main__E1; [L21] double main__S; [L22] int main__i; [L23] main__E1 = 0 [L24] main__S = 0 [L25] main__i = 0 VAL [__return_134=0, __return_main=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__i=0] [L26] COND TRUE main__i <= 1000000 [L28] main__E0 = __VERIFIER_nondet_double() [L29] int main____CPAchecker_TMP_0; VAL [__return_134=0, __return_main=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__i=0] [L30] COND TRUE main__E0 >= -1.0 VAL [__return_134=0, __return_main=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main__i=0] [L32] COND TRUE main__E0 <= 1.0 [L34] main____CPAchecker_TMP_0 = 1 VAL [__return_134=0, __return_main=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0, main____CPAchecker_TMP_0=1, main__i=0] [L35] COND TRUE main____CPAchecker_TMP_0 != 0 [L37] int main____CPAchecker_TMP_1; [L38] main____CPAchecker_TMP_1 = __VERIFIER_nondet_int() [L39] COND TRUE !(main____CPAchecker_TMP_1 == 0) [L41] main__S = 0 [L43] main__E1 = main__E0 [L44] int main____CPAchecker_TMP_2; VAL [__return_134=0, __return_main=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] [L45] COND FALSE !(main__S >= -10000.0) VAL [__return_134=0, __return_main=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] [L162] main____CPAchecker_TMP_2 = 0 VAL [__return_134=0, __return_main=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] [L52] int __tmp_1; [L53] __tmp_1 = main____CPAchecker_TMP_2 [L54] int __VERIFIER_assert__cond; [L55] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_134=0, __return_main=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] [L56] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_134=0, __return_main=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] [L58] reach_error() VAL [__return_134=0, __return_main=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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.81ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.52ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.86ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.9MB in the end (delta: 782.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 270.94ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 65.5MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 402.72ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 44.4MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 117.4MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:45:55,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b --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 27e2c506f8c4790ab21ed41c19bd1ea2839907b43d1ff7cacbbc276ad919ab4e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:45:57,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:45:57,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:45:58,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:45:58,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:45:58,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:45:58,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:45:58,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:45:58,014 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:45:58,015 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:58,015 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:45:58,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:45:58,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:45:58,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:45:58,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:45:58,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:45:58,016 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:45:58,016 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:58,016 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:45:58,016 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b 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 -> 27e2c506f8c4790ab21ed41c19bd1ea2839907b43d1ff7cacbbc276ad919ab4e [2024-12-06 02:45:58,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:45:58,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:45:58,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:45:58,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:45:58,266 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:45:58,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2024-12-06 02:46:00,944 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data/44ea49527/b5f76ee2b5b84b9cb862026bd2bac254/FLAG9e5f70273 [2024-12-06 02:46:01,133 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:46:01,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2024-12-06 02:46:01,140 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data/44ea49527/b5f76ee2b5b84b9cb862026bd2bac254/FLAG9e5f70273 [2024-12-06 02:46:01,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/data/44ea49527/b5f76ee2b5b84b9cb862026bd2bac254 [2024-12-06 02:46:01,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:46:01,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:46:01,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:46:01,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:46:01,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:46:01,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d62e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01, skipping insertion in model container [2024-12-06 02:46:01,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:46:01,320 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[1355,1368] [2024-12-06 02:46:01,328 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[2394,2407] [2024-12-06 02:46:01,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:46:01,346 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:46:01,361 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[1355,1368] [2024-12-06 02:46:01,365 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_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[2394,2407] [2024-12-06 02:46:01,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:46:01,385 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:46:01,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01 WrapperNode [2024-12-06 02:46:01,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:46:01,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:46:01,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:46:01,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:46:01,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,415 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 132 [2024-12-06 02:46:01,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:46:01,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:46:01,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:46:01,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:46:01,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,433 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:46:01,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:46:01,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:46:01,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:46:01,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:46:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:46:01,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:46:01,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:46:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:46:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:46:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:46:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:46:01,561 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:46:01,562 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:46:21,631 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 02:46:21,631 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:46:21,667 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:46:21,667 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:46:21,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:21 BoogieIcfgContainer [2024-12-06 02:46:21,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:46:21,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:46:21,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:46:21,679 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:46:21,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:21" (1/1) ... [2024-12-06 02:46:21,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:46:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-06 02:46:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 02:46:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:46:21,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:21,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:21,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:21,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:21,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:46:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:21,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:21,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:46:21,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:21,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:46:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:22,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2024-12-06 02:46:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-06 02:46:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:46:22,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:22,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:22,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:22,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:46:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:22,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:24,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:46:24,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:24,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:46:37,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:46:47,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 02:46:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-12-06 02:46:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-12-06 02:46:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:46:47,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:47,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:47,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:47,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:46:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:48,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:48,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:46:48,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:49,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:46:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-12-06 02:46:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-12-06 02:46:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:46:50,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:50,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:50,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:50,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:50,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:46:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:50,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:50,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:46:50,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:50,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:46:59,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:46:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 02:46:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 02:46:59,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:46:59,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:59,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:59,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:59,353 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:59,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:46:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:59,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:59,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:46:59,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:46:59,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:47:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-12-06 02:47:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-12-06 02:47:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:47:00,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:00,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:00,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:00,260 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:00,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:47:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:01,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:11,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:47:11,781 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:47:11,785 INFO L158 Benchmark]: Toolchain (without parser) took 70628.95ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.4MB in the end (delta: 11.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-12-06 02:47:11,785 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:47:11,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.12ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 57.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:47:11,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.04ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 55.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:47:11,786 INFO L158 Benchmark]: Boogie Preprocessor took 25.22ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 54.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:47:11,786 INFO L158 Benchmark]: RCFGBuilder took 20225.80ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 39.3MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:47:11,786 INFO L158 Benchmark]: CodeCheck took 50115.79ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 58.4MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:47:11,788 INFO L338 ainManager$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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.12ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 57.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.04ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 55.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.22ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 54.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 20225.80ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 39.3MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 50115.79ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 58.4MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:47:11,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe7b74c-85d9-4fb5-a1b3-e297f23ca9ad/bin/ukojak-verify-CZk0znPC7b/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