./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_alt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_alt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bc48f0b37b49094aa2ed7125525fbb7b9a95c5af6fff8426a24c4fcf99bb295 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:31:42,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:31:42,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:31:42,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:31:42,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:31:42,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:31:42,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:31:42,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:31:42,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:31:42,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:31:42,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:31:42,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:31:42,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:31:42,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:31:42,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:31:42,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:31:42,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:31:42,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:31:42,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:31:42,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:31:42,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:31:42,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:31:42,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:31:42,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:31:42,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:31:42,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:31:42,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:31:42,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:42,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:31:42,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:31:42,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:31:42,509 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:31:42,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:31:42,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bc48f0b37b49094aa2ed7125525fbb7b9a95c5af6fff8426a24c4fcf99bb295 [2024-11-08 23:31:42,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:31:42,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:31:42,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:31:42,967 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:31:42,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:31:42,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/filter2_alt.c Unable to find full path for "g++" [2024-11-08 23:31:45,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:31:45,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:31:45,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/sv-benchmarks/c/float-benchs/filter2_alt.c [2024-11-08 23:31:45,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/data/28e335bc6/9d33662ebc924cf8ad5e13893e18a62b/FLAGef96b68b7 [2024-11-08 23:31:45,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/data/28e335bc6/9d33662ebc924cf8ad5e13893e18a62b [2024-11-08 23:31:45,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:31:45,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:31:45,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:45,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:31:45,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:31:45,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24edccf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45, skipping insertion in model container [2024-11-08 23:31:45,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:31:45,627 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_f5b00022-0442-48e4-ad51-d8ab19564439/sv-benchmarks/c/float-benchs/filter2_alt.c[631,644] [2024-11-08 23:31:45,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:45,662 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:31:45,676 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_f5b00022-0442-48e4-ad51-d8ab19564439/sv-benchmarks/c/float-benchs/filter2_alt.c[631,644] [2024-11-08 23:31:45,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:45,713 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:31:45,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45 WrapperNode [2024-11-08 23:31:45,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:45,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:45,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:31:45,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:31:45,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,753 INFO L138 Inliner]: procedures = 19, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-08 23:31:45,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:45,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:31:45,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:31:45,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:31:45,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:31:45,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:31:45,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:31:45,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:31:45,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:45" (1/1) ... [2024-11-08 23:31:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:45,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:31:45,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:31:45,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:31:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:31:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-11-08 23:31:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-11-08 23:31:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:31:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 23:31:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 23:31:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:31:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:31:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 23:31:45,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:31:45,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:31:46,212 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:31:46,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:31:46,286 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:31:46,287 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:31:46,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:46 BoogieIcfgContainer [2024-11-08 23:31:46,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:31:46,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:31:46,291 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:31:46,313 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:31:46,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:46" (1/1) ... [2024-11-08 23:31:46,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:31:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:31:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:31:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:31:46,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:31:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:31:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:31:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:31:46,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:46,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:46,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:31:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:47,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:31:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:47,160 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:31:47,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:31:47 ImpRootNode [2024-11-08 23:31:47,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:31:47,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:31:47,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:31:47,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:31:47,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:46" (3/4) ... [2024-11-08 23:31:47,206 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:31:47,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:31:47,208 INFO L158 Benchmark]: Toolchain (without parser) took 1902.64ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 85.3MB in the end (delta: 61.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-08 23:31:47,210 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 186.6MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:47,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.08ms. Allocated memory is still 186.6MB. Free memory was 146.1MB in the beginning and 133.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:31:47,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.07ms. Allocated memory is still 186.6MB. Free memory was 133.1MB in the beginning and 131.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:31:47,212 INFO L158 Benchmark]: Boogie Preprocessor took 28.90ms. Allocated memory is still 186.6MB. Free memory was 131.5MB in the beginning and 130.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:31:47,212 INFO L158 Benchmark]: RCFGBuilder took 506.00ms. Allocated memory is still 186.6MB. Free memory was 130.1MB in the beginning and 116.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:31:47,214 INFO L158 Benchmark]: CodeCheck took 909.85ms. Allocated memory is still 186.6MB. Free memory was 116.4MB in the beginning and 85.7MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 23:31:47,217 INFO L158 Benchmark]: Witness Printer took 6.13ms. Allocated memory is still 186.6MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:47,222 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 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 14]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L19] BOOLEAN INIT; [L20] float P, X; [L32] static float E[2], S[2]; [L52] CALL, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=0, P=0, S={5:0}, X=0] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -10.f && x <= 10.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -10.f && x <= 10.f) [L27] return x; [L52] RET, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=0, P=0, S={5:0}, X=0] [L52] X = RANDOM_INPUT() [L53] INIT = TRUE VAL [E={4:0}, INIT=1, P=0, S={5:0}, X=8] [L54] COND TRUE \read(TRUE) VAL [E={4:0}, INIT=1, P=0, S={5:0}, X=8] [L55] CALL, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=1, P=0, S={5:0}, X=8] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -10.f && x <= 10.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -10.f && x <= 10.f) [L27] return x; [L55] RET, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=1, P=0, S={5:0}, X=8] [L55] X = RANDOM_INPUT() [L56] CALL filter2 () [L33] COND TRUE \read(INIT) [L34] S[0] = X [L35] P = X [L36] E[0] = X VAL [E={4:0}, INIT=1, P=3, S={5:0}, X=3] [L46] EXPR E[0] [L46] E[1] = E[0] [L46] E[0] = X [L47] EXPR S[0] [L47] S[1] = S[0] [L47] S[0] = P [L56] RET filter2 () [L57] INIT = FALSE VAL [E={4:0}, INIT=0, P=3, S={5:0}, X=3] [L54] COND TRUE \read(TRUE) VAL [E={4:0}, INIT=0, P=3, S={5:0}, X=3] [L55] CALL, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=0, P=3, S={5:0}, X=3] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -10.f && x <= 10.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -10.f && x <= 10.f) [L27] return x; [L55] RET, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=0, P=3, S={5:0}, X=3] [L55] X = RANDOM_INPUT() [L56] CALL filter2 () [L33] COND FALSE !(\read(INIT)) [L39] EXPR E[0] [L40] EXPR E[1] [L41] EXPR S[0] [L42] EXPR S[1] [L38-L42] P = (((((0.4677826f * X) - (E[0] * 0.7700725f)) + (E[1] * 0.4344376f)) + (S[0] * 1.5419f)) - (S[1] * 0.6740477f)) [L43] CALL __VERIFIER_assert(P >= -15.f && P <= 15.f) [L14] COND TRUE !(cond) VAL [E={4:0}, INIT=0, S={5:0}, X=9] [L14] reach_error() VAL [E={4:0}, INIT=0, S={5:0}, X=9] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 186.6MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.08ms. Allocated memory is still 186.6MB. Free memory was 146.1MB in the beginning and 133.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.07ms. Allocated memory is still 186.6MB. Free memory was 133.1MB in the beginning and 131.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.90ms. Allocated memory is still 186.6MB. Free memory was 131.5MB in the beginning and 130.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.00ms. Allocated memory is still 186.6MB. Free memory was 130.1MB in the beginning and 116.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 909.85ms. Allocated memory is still 186.6MB. Free memory was 116.4MB in the beginning and 85.7MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 6.13ms. Allocated memory is still 186.6MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:31:47,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_alt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bc48f0b37b49094aa2ed7125525fbb7b9a95c5af6fff8426a24c4fcf99bb295 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:31:49,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:31:49,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:31:49,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:31:49,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:31:49,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:31:49,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:31:49,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:31:49,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:31:49,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:31:49,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:31:49,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:31:49,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:31:49,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:31:49,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:31:49,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:31:49,929 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:31:49,929 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:31:49,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:31:49,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:31:49,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:31:49,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:31:49,934 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:31:49,934 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:31:49,935 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:31:49,935 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:31:49,935 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:49,935 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:31:49,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:31:49,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:49,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:31:49,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:31:49,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:31:49,937 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:31:49,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:49,937 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:31:49,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bc48f0b37b49094aa2ed7125525fbb7b9a95c5af6fff8426a24c4fcf99bb295 [2024-11-08 23:31:50,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:31:50,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:31:50,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:31:50,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:31:50,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:31:50,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/filter2_alt.c Unable to find full path for "g++" [2024-11-08 23:31:52,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:31:52,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:31:52,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/sv-benchmarks/c/float-benchs/filter2_alt.c [2024-11-08 23:31:52,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/data/056d35a1d/ef2697ebf3f840dfad124026208114aa/FLAGcbdee51fb [2024-11-08 23:31:52,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/data/056d35a1d/ef2697ebf3f840dfad124026208114aa [2024-11-08 23:31:52,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:31:52,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:31:52,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:52,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:31:52,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:31:52,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:52" (1/1) ... [2024-11-08 23:31:52,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b7d79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:52, skipping insertion in model container [2024-11-08 23:31:52,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:52" (1/1) ... [2024-11-08 23:31:52,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:31:53,236 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_f5b00022-0442-48e4-ad51-d8ab19564439/sv-benchmarks/c/float-benchs/filter2_alt.c[631,644] [2024-11-08 23:31:53,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:53,283 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:31:53,298 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_f5b00022-0442-48e4-ad51-d8ab19564439/sv-benchmarks/c/float-benchs/filter2_alt.c[631,644] [2024-11-08 23:31:53,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:53,341 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:31:53,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53 WrapperNode [2024-11-08 23:31:53,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:53,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:53,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:31:53,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:31:53,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,396 INFO L138 Inliner]: procedures = 20, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-08 23:31:53,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:53,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:31:53,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:31:53,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:31:53,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:31:53,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:31:53,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:31:53,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:31:53,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:53" (1/1) ... [2024-11-08 23:31:53,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:53,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:31:53,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:31:53,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:31:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:31:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-11-08 23:31:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-11-08 23:31:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-08 23:31:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:31:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 23:31:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:31:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:31:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 23:31:53,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:31:53,678 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:32:03,967 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:32:03,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:32:04,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:32:04,043 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:32:04,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:04 BoogieIcfgContainer [2024-11-08 23:32:04,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:32:04,045 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:32:04,045 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:32:04,056 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:32:04,057 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:04" (1/1) ... [2024-11-08 23:32:04,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:32:04,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:04,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:32:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:32:04,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:32:04,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:32:04,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:32:04,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:32:04,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:32:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:04,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:32:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:04,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:32:04,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:32:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:32:04,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:32:14,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:32:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:32:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:32:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:32:14,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:14,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:32:14,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:32:14,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:32:14,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:32:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:33,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:32:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:32:43,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:32:43,912 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:32:43,916 INFO L158 Benchmark]: Toolchain (without parser) took 50977.26ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 43.1MB in the beginning and 77.8MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:32:43,917 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 89.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.84ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 46.8MB in the end (delta: -3.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.88ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 44.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,922 INFO L158 Benchmark]: Boogie Preprocessor took 49.36ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,923 INFO L158 Benchmark]: RCFGBuilder took 10594.62ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 43.2MB in the beginning and 75.4MB in the end (delta: -32.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,924 INFO L158 Benchmark]: CodeCheck took 39869.84ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 77.8MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:32:43,928 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 0.74ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 89.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.84ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 46.8MB in the end (delta: -3.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.88ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 44.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.36ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10594.62ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 43.2MB in the beginning and 75.4MB in the end (delta: -32.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 39869.84ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 77.8MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:32:44,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b00022-0442-48e4-ad51-d8ab19564439/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown