./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_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/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_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/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_a1082502-3834-4502-b37b-b3a4b203e5c8/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_a1082502-3834-4502-b37b-b3a4b203e5c8/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 27e2c506f8c4790ab21ed41c19bd1ea2839907b43d1ff7cacbbc276ad919ab4e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:10:23,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:10:24,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:10:24,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:10:24,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:10:24,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:10:24,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:10:24,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:10:24,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:10:24,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:10:24,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:10:24,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:10:24,109 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:10:24,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:10:24,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:10:24,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:10:24,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:10:24,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:10:24,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:10:24,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:10:24,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:10:24,111 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:10:24,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:10:24,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:10:24,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:10:24,111 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:10:24,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:10:24,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:24,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:10:24,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:10:24,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:10:24,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:10:24,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:10:24,113 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_a1082502-3834-4502-b37b-b3a4b203e5c8/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 -> 27e2c506f8c4790ab21ed41c19bd1ea2839907b43d1ff7cacbbc276ad919ab4e [2024-11-25 04:10:24,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:10:24,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:10:24,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:10:24,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:10:24,461 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:10:24,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2024-11-25 04:10:29,674 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data/635075b93/3d81b03ba2e741d7b44a2562fabb3e65/FLAG9bd81b830 [2024-11-25 04:10:29,999 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:10:30,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2024-11-25 04:10:30,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data/635075b93/3d81b03ba2e741d7b44a2562fabb3e65/FLAG9bd81b830 [2024-11-25 04:10:30,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data/635075b93/3d81b03ba2e741d7b44a2562fabb3e65 [2024-11-25 04:10:30,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:10:30,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:10:30,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:10:30,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:10:30,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:10:30,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1245aab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30, skipping insertion in model container [2024-11-25 04:10:30,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:10:30,476 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_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[1355,1368] [2024-11-25 04:10:30,489 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_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[2394,2407] [2024-11-25 04:10:30,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:10:30,504 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:10:30,517 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_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[1355,1368] [2024-11-25 04:10:30,521 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_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[2394,2407] [2024-11-25 04:10:30,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:10:30,538 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:10:30,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30 WrapperNode [2024-11-25 04:10:30,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:10:30,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:10:30,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:10:30,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:10:30,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,570 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 133 [2024-11-25 04:10:30,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:10:30,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:10:30,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:10:30,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:10:30,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:10:30,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:10:30,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:10:30,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:10:30,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:30,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:10:30,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:10:30,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:10:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:10:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:10:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:10:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:10:30,738 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:10:30,740 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:10:30,912 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 04:10:30,912 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:10:30,945 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:10:30,945 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:10:30,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:30 BoogieIcfgContainer [2024-11-25 04:10:30,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:10:30,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:10:30,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:10:30,956 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:10:30,957 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:30" (1/1) ... [2024-11-25 04:10:30,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:10:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-25 04:10:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-25 04:10:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:10:31,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:31,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:10:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:31,282 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 04:10:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:31,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-25 04:10:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-25 04:10:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:10:31,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:31,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:10:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:10:31,420 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:10:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:10:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:10:31,506 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:10:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:10:31,546 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 04:10:31,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:10:31 ImpRootNode [2024-11-25 04:10:31,585 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:10:31,586 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:10:31,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:10:31,587 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:10:31,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:30" (3/4) ... [2024-11-25 04:10:31,591 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:10:31,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:10:31,593 INFO L158 Benchmark]: Toolchain (without parser) took 1340.31ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 44.5MB in the end (delta: 49.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:10:31,593 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:31,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.48ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:10:31,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.37ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:31,596 INFO L158 Benchmark]: Boogie Preprocessor took 19.66ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.7MB in the end (delta: 651.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:31,596 INFO L158 Benchmark]: RCFGBuilder took 354.92ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 65.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:10:31,599 INFO L158 Benchmark]: CodeCheck took 638.65ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 44.8MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:10:31,600 INFO L158 Benchmark]: Witness Printer took 6.07ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 44.5MB in the end (delta: 319.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:31,602 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: 0.6s, 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, 0.2s 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 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 30, 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 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.48ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.37ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.66ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.7MB in the end (delta: 651.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.92ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 65.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 638.65ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 44.8MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.07ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 44.5MB in the end (delta: 319.4kB). 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 04:10:31,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/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 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_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/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_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/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_a1082502-3834-4502-b37b-b3a4b203e5c8/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_a1082502-3834-4502-b37b-b3a4b203e5c8/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 27e2c506f8c4790ab21ed41c19bd1ea2839907b43d1ff7cacbbc276ad919ab4e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:10:34,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:10:34,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:10:34,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:10:34,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:10:34,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:10:34,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:10:34,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:10:34,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:10:34,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:10:34,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:10:34,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:10:34,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:10:34,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:10:34,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:10:34,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:10:34,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:10:34,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:10:34,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:34,543 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:10:34,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:10:34,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:34,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:10:34,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:10:34,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:10:34,544 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:10:34,544 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:34,544 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:10:34,544 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_a1082502-3834-4502-b37b-b3a4b203e5c8/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 -> 27e2c506f8c4790ab21ed41c19bd1ea2839907b43d1ff7cacbbc276ad919ab4e [2024-11-25 04:10:34,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:10:34,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:10:34,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:10:34,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:10:34,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:10:34,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2024-11-25 04:10:37,917 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data/ef6ee8d06/24a83b8677114eb6ad3179136cbbafd0/FLAG28766f7fd [2024-11-25 04:10:38,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:10:38,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2024-11-25 04:10:38,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data/ef6ee8d06/24a83b8677114eb6ad3179136cbbafd0/FLAG28766f7fd [2024-11-25 04:10:38,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/data/ef6ee8d06/24a83b8677114eb6ad3179136cbbafd0 [2024-11-25 04:10:38,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:10:38,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:10:38,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:10:38,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:10:38,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:10:38,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b6b4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38, skipping insertion in model container [2024-11-25 04:10:38,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:10:38,446 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_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[1355,1368] [2024-11-25 04:10:38,460 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_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[2394,2407] [2024-11-25 04:10:38,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:10:38,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:10:38,514 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_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[1355,1368] [2024-11-25 04:10:38,522 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_a1082502-3834-4502-b37b-b3a4b203e5c8/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c[2394,2407] [2024-11-25 04:10:38,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:10:38,551 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:10:38,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38 WrapperNode [2024-11-25 04:10:38,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:10:38,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:10:38,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:10:38,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:10:38,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,602 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 132 [2024-11-25 04:10:38,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:10:38,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:10:38,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:10:38,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:10:38,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,628 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:10:38,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:10:38,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:10:38,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:10:38,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:38" (1/1) ... [2024-11-25 04:10:38,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:38,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:10:38,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:10:38,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:10:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:10:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:10:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:10:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:10:38,776 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:10:38,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:10:59,218 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 04:10:59,218 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:10:59,260 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:10:59,260 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:10:59,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:59 BoogieIcfgContainer [2024-11-25 04:10:59,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:10:59,261 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:10:59,261 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:10:59,272 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:10:59,272 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:59" (1/1) ... [2024-11-25 04:10:59,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:10:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-25 04:10:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-25 04:10:59,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:10:59,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:59,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:59,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:59,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:59,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:10:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:59,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:59,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:10:59,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:59,711 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 04:10:59,713 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:10:59,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:11:08,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:11:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2024-11-25 04:11:08,791 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-25 04:11:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:11:08,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:08,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:08,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:11:08,798 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:11:08,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:11:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:09,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:11:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:10,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:11:10,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:11:11,897 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 04:11:11,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:11:13,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:11:23,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:11:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-25 04:11:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-25 04:11:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:11:25,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:25,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:25,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:11:25,913 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:11:25,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:11:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:26,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:11:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:26,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:11:26,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:11:28,433 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 04:11:28,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 04:11:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-25 04:11:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-25 04:11:29,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:11:29,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:29,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:29,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:11:29,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:11:29,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:11:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:29,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:11:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:29,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:11:29,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:11:29,899 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 04:11:29,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:11:39,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:11:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-25 04:11:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-25 04:11:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:11:39,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:39,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:39,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:11:39,948 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:11:39,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:11:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:40,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:11:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:40,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 04:11:40,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:11:40,557 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 04:11:40,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:11:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-25 04:11:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-25 04:11:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:11:40,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:40,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:40,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:11:40,989 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:11:40,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:11:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:42,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:11:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:11:52,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:11:52,616 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 04:11:52,620 INFO L158 Benchmark]: Toolchain (without parser) took 74432.33ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.5MB in the end (delta: 11.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-25 04:11:52,621 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:52,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.62ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 48.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:11:52,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.03ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:11:52,627 INFO L158 Benchmark]: Boogie Preprocessor took 37.99ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 45.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:52,627 INFO L158 Benchmark]: RCFGBuilder took 20610.52ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 30.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:11:52,627 INFO L158 Benchmark]: CodeCheck took 53358.25ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 49.5MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:52,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.62ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 48.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.03ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.99ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 45.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 20610.52ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 30.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 53358.25ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 49.5MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:11:52,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1082502-3834-4502-b37b-b3a4b203e5c8/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