./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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 a8b1eb5a7109aada0c5a8e0cf18025c738de8d1a2cd1a38b7a389d7c7a6495a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:55:36,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:55:36,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:55:36,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:55:36,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:55:36,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:55:36,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:55:36,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:55:36,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:55:36,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:55:36,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:55:36,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:55:36,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:55:36,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:55:36,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:55:36,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:55:36,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:55:36,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:55:36,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:55:36,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:55:36,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:55:36,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:55:36,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:55:36,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:55:36,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:55:36,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:55:36,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:55:36,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:55:36,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:55:36,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:55:36,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:55:36,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:55:36,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:55:36,539 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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8b1eb5a7109aada0c5a8e0cf18025c738de8d1a2cd1a38b7a389d7c7a6495a7 [2024-11-08 22:55:36,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:55:36,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:55:36,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:55:36,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:55:36,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:55:36,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c Unable to find full path for "g++" [2024-11-08 22:55:38,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:55:39,050 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:55:39,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2024-11-08 22:55:39,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/data/44f2e71e8/43017062c96c4e6991b98f579a8ca8a4/FLAGaff354818 [2024-11-08 22:55:39,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/data/44f2e71e8/43017062c96c4e6991b98f579a8ca8a4 [2024-11-08 22:55:39,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:55:39,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:55:39,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:55:39,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:55:39,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:55:39,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6360cfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39, skipping insertion in model container [2024-11-08 22:55:39,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:55:39,320 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c[1314,1327] [2024-11-08 22:55:39,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:55:39,337 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:55:39,359 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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c[1314,1327] [2024-11-08 22:55:39,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:55:39,379 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:55:39,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39 WrapperNode [2024-11-08 22:55:39,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:55:39,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:55:39,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:55:39,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:55:39,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,425 INFO L138 Inliner]: procedures = 18, calls = 37, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 110 [2024-11-08 22:55:39,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:55:39,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:55:39,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:55:39,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:55:39,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:55:39,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:55:39,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:55:39,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:55:39,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:55:39,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:55:39,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:55:39,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:55:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:55:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:55:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:55:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 22:55:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:55:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:55:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 22:55:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:55:39,624 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:55:39,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:55:39,835 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 22:55:39,835 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:55:39,860 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:55:39,860 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:55:39,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:39 BoogieIcfgContainer [2024-11-08 22:55:39,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:55:39,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:55:39,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:55:39,873 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:55:39,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:39" (1/1) ... [2024-11-08 22:55:39,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:55:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-08 22:55:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-08 22:55:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:55:39,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-08 22:55:40,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-08 22:55:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:55:40,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:40,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:40,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:40,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 22:55:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 22:55:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:55:40,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:40,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:55:40,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:55:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:55:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:55:40,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:55:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:55:40,663 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 22:55:40,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:55:40 ImpRootNode [2024-11-08 22:55:40,698 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:55:40,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:55:40,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:55:40,699 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:55:40,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:39" (3/4) ... [2024-11-08 22:55:40,702 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:55:40,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:55:40,704 INFO L158 Benchmark]: Toolchain (without parser) took 1627.41ms. Allocated memory is still 184.5MB. Free memory was 135.4MB in the beginning and 120.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-08 22:55:40,704 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:55:40,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.26ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 122.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:55:40,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.10ms. Allocated memory is still 184.5MB. Free memory was 122.1MB in the beginning and 120.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:55:40,706 INFO L158 Benchmark]: Boogie Preprocessor took 27.70ms. Allocated memory is still 184.5MB. Free memory was 120.1MB in the beginning and 118.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:55:40,707 INFO L158 Benchmark]: RCFGBuilder took 407.06ms. Allocated memory is still 184.5MB. Free memory was 118.6MB in the beginning and 106.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:55:40,707 INFO L158 Benchmark]: CodeCheck took 835.98ms. Allocated memory is still 184.5MB. Free memory was 106.0MB in the beginning and 120.8MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:55:40,708 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 184.5MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:55:40,711 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 28 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - UnprovableResult [Line: 51]: 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 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of to_real at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 36. Possible FailurePath: [L1] int __return_main; [L12] int __return_125; [L15] int main__i; [L16] float main__z; [L17] float main__t; [L18] float main__min[5] = { 5, 10, 12, 30, 150 }; [L19] float main__max[5] = { 10, 12, 30, 150, 300 }; [L20] main__t = __VERIFIER_nondet_float() [L21] int main____CPAchecker_TMP_0; [L22] EXPR main__min[0] VAL [__return_125=0, __return_main=0, main__max={2333:0}] [L22] COND TRUE main__t >= (main__min[0]) [L24] EXPR main__max[4UL] VAL [__return_125=0, __return_main=0, main__max={2333:0}] [L24] COND TRUE main__t <= (main__max[4UL]) [L26] main____CPAchecker_TMP_0 = 1 VAL [__return_125=0, __return_main=0, main____CPAchecker_TMP_0=1, main__max={2333:0}] [L27] COND TRUE main____CPAchecker_TMP_0 != 0 [L29] main__i = 0 VAL [__return_125=0, __return_main=0, main__i=0, main__max={2333:0}] [L31] COND TRUE main__i < 5UL [L33] EXPR main__max[main__i] VAL [__return_125=0, __return_main=0, main__i=0, main__max={2333:0}] [L33] COND TRUE main__t <= (main__max[main__i]) [L36] EXPR main__min[main__i] [L36] EXPR main__max[main__i] [L36] EXPR main__min[main__i] [L36] main__z = (main__t - (main__min[main__i])) / ((main__max[main__i]) - (main__min[main__i])) [L37] int main____CPAchecker_TMP_1; VAL [__return_125=0, __return_main=0, main__i=0, main__max={2333:0}] [L38] COND FALSE !(main__z >= 0.0) VAL [__return_125=0, __return_main=0, main__i=0, main__max={2333:0}] [L64] main____CPAchecker_TMP_1 = 0 VAL [__return_125=0, __return_main=0, main____CPAchecker_TMP_1=0, main__i=0, main__max={2333:0}] [L45] int __tmp_1; [L46] __tmp_1 = main____CPAchecker_TMP_1 [L47] int __VERIFIER_assert__cond; [L48] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_125=0, __return_main=0, main__i=0, main__max={2333:0}] [L49] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_125=0, __return_main=0, main__i=0, main__max={2333:0}] [L51] reach_error() VAL [__return_125=0, __return_main=0, main__i=0, main__max={2333:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.26ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 122.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.10ms. Allocated memory is still 184.5MB. Free memory was 122.1MB in the beginning and 120.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.70ms. Allocated memory is still 184.5MB. Free memory was 120.1MB in the beginning and 118.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.06ms. Allocated memory is still 184.5MB. Free memory was 118.6MB in the beginning and 106.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 835.98ms. Allocated memory is still 184.5MB. Free memory was 106.0MB in the beginning and 120.8MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 184.5MB. Free memory is still 120.8MB. 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 22:55:40,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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 a8b1eb5a7109aada0c5a8e0cf18025c738de8d1a2cd1a38b7a389d7c7a6495a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:55:43,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:55:43,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:55:43,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:55:43,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:55:43,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:55:43,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:55:43,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:55:43,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:55:43,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:55:43,298 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:55:43,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:55:43,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:55:43,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:55:43,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:55:43,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:55:43,300 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:55:43,300 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:55:43,304 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:55:43,304 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:55:43,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:55:43,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:55:43,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:55:43,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:55:43,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:55:43,309 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:55:43,309 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:43,310 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:55:43,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:55:43,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:55:43,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:55:43,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:55:43,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:55:43,311 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:55:43,312 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:43,313 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:55:43,313 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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8b1eb5a7109aada0c5a8e0cf18025c738de8d1a2cd1a38b7a389d7c7a6495a7 [2024-11-08 22:55:43,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:55:43,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:55:43,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:55:43,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:55:43,772 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:55:43,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c Unable to find full path for "g++" [2024-11-08 22:55:45,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:55:46,034 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:55:46,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2024-11-08 22:55:46,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/data/fff1b7988/8bde6316554342a88465ca1eaa7f616b/FLAGe0e50d35b [2024-11-08 22:55:46,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/data/fff1b7988/8bde6316554342a88465ca1eaa7f616b [2024-11-08 22:55:46,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:55:46,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:55:46,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:55:46,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:55:46,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:55:46,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ab482e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46, skipping insertion in model container [2024-11-08 22:55:46,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:55:46,679 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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c[1314,1327] [2024-11-08 22:55:46,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:55:46,706 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:55:46,744 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_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c[1314,1327] [2024-11-08 22:55:46,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:55:46,772 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:55:46,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46 WrapperNode [2024-11-08 22:55:46,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:55:46,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:55:46,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:55:46,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:55:46,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,819 INFO L138 Inliner]: procedures = 19, calls = 37, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 111 [2024-11-08 22:55:46,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:55:46,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:55:46,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:55:46,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:55:46,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:55:46,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:55:46,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:55:46,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:55:46,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:55:46" (1/1) ... [2024-11-08 22:55:46,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:55:46,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:55:46,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:55:46,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:55:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:55:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-08 22:55:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:55:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:55:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 22:55:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:55:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:55:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:55:47,024 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:55:47,027 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:55:49,318 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-08 22:55:49,319 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:55:49,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:55:49,371 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:55:49,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:49 BoogieIcfgContainer [2024-11-08 22:55:49,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:55:49,373 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:55:49,373 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:55:49,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:55:49,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:55:49" (1/1) ... [2024-11-08 22:55:49,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:55:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-08 22:55:49,447 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-08 22:55:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:55:49,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:49,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:49,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:49,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:55:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:49,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:49,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:55:49,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:49,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:55:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-08 22:55:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-08 22:55:50,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:55:50,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:50,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:50,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:50,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:50,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:55:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:50,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:50,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:55:50,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:50,509 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:55:50,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:55:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-08 22:55:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-08 22:55:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:55:50,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:50,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:50,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:50,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:55:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:51,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:56,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:55:56,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:59,112 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 22:55:59,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 178 treesize of output 86 [2024-11-08 22:56:50,144 WARN L286 SmtUtils]: Spent 17.77s on a formula simplification. DAG size of input: 39 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:56:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:56:53,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:57:07,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:57:08,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:57:48,474 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:57:57,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:58:00,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:58:10,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:58:13,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:58:15,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:58:20,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.28s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:58:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-08 22:58:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-08 22:58:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:58:20,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:20,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:20,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:20,917 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:20,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:58:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:21,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:33,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:58:33,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:03,490 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 22:59:03,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 75 [2024-11-08 22:59:44,734 WARN L286 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:59:52,977 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:00:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:46,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:23,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:01:27,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:01:29,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:01:34,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.91s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:01:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2024-11-08 23:01:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-08 23:01:35,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:01:35,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:35,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:35,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:35,453 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:35,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:01:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:35,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:36,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:01:36,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:40,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:51,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-08 23:01:51,551 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-08 23:01:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:01:51,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:51,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:51,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:51,558 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:51,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:01:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:52,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:55,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:01:55,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:42,455 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-11-08 23:02:42,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 225 treesize of output 109 [2024-11-08 23:04:21,421 WARN L286 SmtUtils]: Spent 17.37s on a formula simplification. DAG size of input: 55 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:04:25,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:25,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:07:02,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:07:15,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:07:27,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:07:32,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:07:43,749 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (.cse3 (= c_currentRoundingMode roundNearestTiesToEven))) (and (not (and (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~main__t~0#1_16| (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (and (= .cse0 .cse1) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (fp.geq |v_ULTIMATE.start_main_~main__t~0#1_16| .cse2) (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_16| .cse1) (= (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~main__t~0#1_16| .cse2) (fp.sub c_currentRoundingMode .cse1 .cse2)) |c_ULTIMATE.start_main_~main__z~0#1|)))) .cse3)) (exists ((v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32)) (|v_ULTIMATE.start_main_~main__t~0#1_18| (_ FloatingPoint 8 24))) (let ((.cse6 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse4 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse5 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6)))) (and (= .cse4 .cse0) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~main__t~0#1_18| .cse5) (fp.sub c_currentRoundingMode .cse6 .cse5))) (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_18| .cse6) (= .cse6 ((_ to_fp 8 24) c_currentRoundingMode (_ bv12 32))) (not (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_18| .cse4)) (= .cse0 .cse5)))) .cse3)) is different from false [2024-11-08 23:09:50,726 WARN L286 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:10:00,799 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (.cse4 (= c_currentRoundingMode roundNearestTiesToEven))) (and (not (and (exists ((v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32)) (|v_ULTIMATE.start_main_~main__t~0#1_18| (_ FloatingPoint 8 24))) (let ((.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6)))) (and (= .cse0 .cse1) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~main__t~0#1_18| .cse2) (fp.sub c_currentRoundingMode .cse3 .cse2))) (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_18| .cse3) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv12 32))) (not (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_18| .cse0)) (= .cse1 .cse2)))) .cse4)) (not (and (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~main__t~0#1_16| (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse5 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse6 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (and (= .cse1 .cse5) (= .cse6 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (fp.geq |v_ULTIMATE.start_main_~main__t~0#1_16| .cse6) (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_16| .cse5) (= (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~main__t~0#1_16| .cse6) (fp.sub c_currentRoundingMode .cse5 .cse6)) |c_ULTIMATE.start_main_~main__z~0#1|)))) .cse4)))) is different from true [2024-11-08 23:10:12,803 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (.cse3 (= c_currentRoundingMode roundNearestTiesToEven))) (and (not (and (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~main__t~0#1_16| (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (and (= .cse0 .cse1) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (fp.geq |v_ULTIMATE.start_main_~main__t~0#1_16| .cse2) (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_16| .cse1) (= (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~main__t~0#1_16| .cse2) (fp.sub c_currentRoundingMode .cse1 .cse2)) |c_ULTIMATE.start_main_~main__z~0#1|)))) .cse3)) (exists ((v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32)) (|v_ULTIMATE.start_main_~main__t~0#1_18| (_ FloatingPoint 8 24))) (let ((.cse6 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse4 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse5 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6)))) (and (= .cse4 .cse0) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~main__t~0#1_18| .cse5) (fp.sub c_currentRoundingMode .cse6 .cse5))) (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_18| .cse6) (= .cse6 ((_ to_fp 8 24) c_currentRoundingMode (_ bv12 32))) (not (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_18| .cse4)) (= .cse0 .cse5)))) .cse3))) is different from true [2024-11-08 23:10:23,007 WARN L851 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (.cse4 (= c_currentRoundingMode roundNearestTiesToEven))) (and (not (and (exists ((v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32)) (|v_ULTIMATE.start_main_~main__t~0#1_18| (_ FloatingPoint 8 24))) (let ((.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6)))) (and (= .cse0 .cse1) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~main__t~0#1_18| .cse2) (fp.sub c_currentRoundingMode .cse3 .cse2))) (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_18| .cse3) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv12 32))) (not (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_18| .cse0)) (= .cse1 .cse2)))) .cse4)) (not (and (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~main__t~0#1_16| (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse5 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse6 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (and (= .cse1 .cse5) (= .cse6 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (fp.geq |v_ULTIMATE.start_main_~main__t~0#1_16| .cse6) (fp.leq |v_ULTIMATE.start_main_~main__t~0#1_16| .cse5) (= (fp.div c_currentRoundingMode (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~main__t~0#1_16| .cse6) (fp.sub c_currentRoundingMode .cse5 .cse6)) |c_ULTIMATE.start_main_~main__z~0#1|)))) .cse4))))) is different from false [2024-11-08 23:10:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2024-11-08 23:10:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-11-08 23:10:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:10:23,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:23,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:23,026 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:23,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c935f6ae-3dcf-4153-8871-89f1c46ce3e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:10:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:23,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:31,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:10:31,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:34,794 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-11-08 23:10:34,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 225 treesize of output 109 [2024-11-08 23:10:46,938 WARN L286 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)