./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03b6c8c21580a8ecb4c1565f878b3061aaf6575afb72b6542060848d80b6e4a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:16:41,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:16:42,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:16:42,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:16:42,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:16:42,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:16:42,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:16:42,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:16:42,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:16:42,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:16:42,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:16:42,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:16:42,097 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:16:42,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:16:42,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:16:42,100 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:16:42,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:16:42,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:16:42,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:16:42,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:16:42,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:16:42,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:16:42,103 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:16:42,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:16:42,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:16:42,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:16:42,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:16:42,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:16:42,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:42,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:16:42,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:16:42,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:16:42,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:16:42,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:16:42,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:16:42,109 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:16:42,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:16:42,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:16:42,110 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:16:42,110 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b6c8c21580a8ecb4c1565f878b3061aaf6575afb72b6542060848d80b6e4a3 [2023-11-12 02:16:42,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:16:42,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:16:42,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:16:42,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:16:42,500 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:16:42,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i [2023-11-12 02:16:45,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:16:45,926 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:16:45,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i [2023-11-12 02:16:45,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/data/b22df5250/0fe586b201d849489c9d796ddd84e3f2/FLAG8dd01c6ac [2023-11-12 02:16:45,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/data/b22df5250/0fe586b201d849489c9d796ddd84e3f2 [2023-11-12 02:16:45,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:16:45,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:16:45,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:45,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:16:45,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:16:45,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:45" (1/1) ... [2023-11-12 02:16:45,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5b2fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:45, skipping insertion in model container [2023-11-12 02:16:45,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:45" (1/1) ... [2023-11-12 02:16:46,005 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:16:46,212 WARN L240 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_874166a4-9993-49d8-abeb-74521d799bdd/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i[917,930] [2023-11-12 02:16:46,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:46,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:16:46,309 WARN L240 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_874166a4-9993-49d8-abeb-74521d799bdd/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i[917,930] [2023-11-12 02:16:46,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:46,366 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:16:46,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46 WrapperNode [2023-11-12 02:16:46,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:46,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:46,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:16:46,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:16:46,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,444 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-12 02:16:46,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:46,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:16:46,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:16:46,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:16:46,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:16:46,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:16:46,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:16:46,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:16:46,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (1/1) ... [2023-11-12 02:16:46,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:46,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:46,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:16:46,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:16:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:16:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:16:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:16:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:16:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:16:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:16:46,663 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:16:46,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:16:46,956 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:16:46,964 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:16:46,964 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:16:46,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:46 BoogieIcfgContainer [2023-11-12 02:16:46,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:16:46,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:16:46,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:16:47,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:16:47,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:16:45" (1/3) ... [2023-11-12 02:16:47,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a08edcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:47, skipping insertion in model container [2023-11-12 02:16:47,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:46" (2/3) ... [2023-11-12 02:16:47,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a08edcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:16:47, skipping insertion in model container [2023-11-12 02:16:47,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:46" (3/3) ... [2023-11-12 02:16:47,007 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-72.i [2023-11-12 02:16:47,030 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:16:47,030 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:16:47,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:16:47,084 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d607cfb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:16:47,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:16:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-12 02:16:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-12 02:16:47,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:47,102 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:47,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:47,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:47,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1139680206, now seen corresponding path program 1 times [2023-11-12 02:16:47,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:47,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185449660] [2023-11-12 02:16:47,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:47,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:16:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:16:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:16:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-12 02:16:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-12 02:16:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:16:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:16:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-12 02:16:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:16:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:16:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-12 02:16:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:16:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:16:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-12 02:16:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:16:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-12 02:16:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:16:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-12 02:16:47,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:47,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185449660] [2023-11-12 02:16:47,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185449660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:47,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:47,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:16:47,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478423299] [2023-11-12 02:16:47,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:47,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:16:47,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:47,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:16:47,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:16:47,715 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:16:47,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:47,773 INFO L93 Difference]: Finished difference Result 95 states and 159 transitions. [2023-11-12 02:16:47,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:16:47,776 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2023-11-12 02:16:47,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:47,786 INFO L225 Difference]: With dead ends: 95 [2023-11-12 02:16:47,786 INFO L226 Difference]: Without dead ends: 47 [2023-11-12 02:16:47,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:16:47,797 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:47,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:16:47,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-12 02:16:47,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-12 02:16:47,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-12 02:16:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2023-11-12 02:16:47,870 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 108 [2023-11-12 02:16:47,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:47,872 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2023-11-12 02:16:47,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:16:47,873 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2023-11-12 02:16:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-12 02:16:47,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:47,879 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:47,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:16:47,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:47,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:47,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1936765112, now seen corresponding path program 1 times [2023-11-12 02:16:47,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:47,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814964349] [2023-11-12 02:16:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:47,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:16:48,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:16:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:16:48,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:16:48,459 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:16:48,461 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:16:48,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:16:48,468 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:16:48,473 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:16:48,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:16:48 BoogieIcfgContainer [2023-11-12 02:16:48,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:16:48,622 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:16:48,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:16:48,623 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:16:48,623 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:16:46" (3/4) ... [2023-11-12 02:16:48,626 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:16:48,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:16:48,628 INFO L158 Benchmark]: Toolchain (without parser) took 2668.03ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 120.7MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:48,629 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:48,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.81ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 101.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:16:48,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.84ms. Allocated memory is still 157.3MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:16:48,631 INFO L158 Benchmark]: Boogie Preprocessor took 50.37ms. Allocated memory is still 157.3MB. Free memory was 99.4MB in the beginning and 98.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:48,632 INFO L158 Benchmark]: RCFGBuilder took 470.76ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 83.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:16:48,632 INFO L158 Benchmark]: TraceAbstraction took 1623.95ms. Allocated memory is still 157.3MB. Free memory was 129.6MB in the beginning and 120.7MB in the end (delta: 8.9MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-11-12 02:16:48,633 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 157.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:16:48,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.81ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 101.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.84ms. Allocated memory is still 157.3MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.37ms. Allocated memory is still 157.3MB. Free memory was 99.4MB in the beginning and 98.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.76ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 83.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1623.95ms. Allocated memory is still 157.3MB. Free memory was 129.6MB in the beginning and 120.7MB in the end (delta: 8.9MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 157.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: 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 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_8 = 1; [L25] unsigned char var_1_9 = 0; [L26] unsigned long int var_1_10 = 2; [L27] signed char var_1_11 = -16; [L28] signed char var_1_12 = -2; [L29] signed char var_1_13 = -10; [L30] signed char var_1_14 = 4; [L31] double var_1_15 = 256.4; [L32] float var_1_16 = 0.25; [L33] double var_1_17 = 1000000000.2; [L34] double var_1_18 = 50.5; [L35] double var_1_19 = 9.5; [L36] double var_1_20 = 1000000000.4; [L37] signed char var_1_21 = 4; [L38] unsigned short int var_1_22 = 10000; [L39] unsigned char last_1_var_1_1 = 1; [L40] double last_1_var_1_15 = 256.4; VAL [isInitial=0, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=0, var_1_8=1, var_1_9=0] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L92] last_1_var_1_1 = var_1_1 [L93] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=0, var_1_8=1, var_1_9=0] [L103] RET updateLastVariables() [L104] CALL updateVariables() [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L65] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L65] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L66] var_1_8 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L68] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L69] var_1_9 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L71] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L74] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L75] var_1_13 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L77] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L80] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L82] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L83] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L84] var_1_17 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L85] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L86] var_1_18 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L87] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L88] var_1_19 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L89] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L104] RET updateVariables() [L105] CALL step() [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) [L48] var_1_20 = var_1_19 [L49] var_1_21 = 1 [L50] var_1_22 = 10 VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-126, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=1, var_1_20=1000000006, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L51] COND FALSE !((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-126, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=1, var_1_20=1000000006, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L58] COND TRUE var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15) [L59] var_1_1 = (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-126, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=0, var_1_20=1000000006, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) ? ((var_1_20 >= last_1_var_1_15) ? (var_1_15 == ((double) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((double) ((((var_1_17) < ((5.75 + var_1_19))) ? (var_1_17) : ((5.75 + var_1_19))))))) : 1)) && (var_1_20 == ((double) var_1_19))) && (var_1_21 == ((signed char) 1))) && (var_1_22 == ((unsigned short int) 10)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-126, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=0, var_1_20=1000000006, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-126, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=0, var_1_20=1000000006, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-126, var_1_12=-63, var_1_13=-63, var_1_14=125, var_1_15=1282/5, var_1_16=1000000005, var_1_17=1000000008, var_1_18=1000000007, var_1_19=1000000006, var_1_1=0, var_1_20=1000000006, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:16:48,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03b6c8c21580a8ecb4c1565f878b3061aaf6575afb72b6542060848d80b6e4a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:16:51,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:16:51,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:16:51,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:16:51,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:16:51,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:16:51,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:16:51,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:16:51,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:16:51,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:16:51,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:16:51,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:16:51,763 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:16:51,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:16:51,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:16:51,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:16:51,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:16:51,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:16:51,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:16:51,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:16:51,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:16:51,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:16:51,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:16:51,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:16:51,771 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:16:51,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:16:51,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:16:51,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:16:51,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:16:51,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:16:51,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:51,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:16:51,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:16:51,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:16:51,777 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:16:51,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:16:51,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:16:51,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:16:51,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:16:51,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:16:51,779 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:16:51,779 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:16:51,780 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b6c8c21580a8ecb4c1565f878b3061aaf6575afb72b6542060848d80b6e4a3 [2023-11-12 02:16:52,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:16:52,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:16:52,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:16:52,312 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:16:52,313 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:16:52,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i [2023-11-12 02:16:55,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:16:56,019 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:16:56,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i [2023-11-12 02:16:56,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/data/a83c25b39/542a9723b0114f82b09c2d9387918e8c/FLAGbd3444a88 [2023-11-12 02:16:56,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/data/a83c25b39/542a9723b0114f82b09c2d9387918e8c [2023-11-12 02:16:56,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:16:56,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:16:56,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:56,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:16:56,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:16:56,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137c71d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56, skipping insertion in model container [2023-11-12 02:16:56,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:16:56,337 WARN L240 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_874166a4-9993-49d8-abeb-74521d799bdd/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i[917,930] [2023-11-12 02:16:56,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:56,444 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:16:56,469 WARN L240 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_874166a4-9993-49d8-abeb-74521d799bdd/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i[917,930] [2023-11-12 02:16:56,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:16:56,542 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:16:56,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56 WrapperNode [2023-11-12 02:16:56,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:16:56,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:56,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:16:56,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:16:56,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,632 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-12 02:16:56,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:16:56,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:16:56,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:16:56,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:16:56,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:16:56,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:16:56,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:16:56,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:16:56,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (1/1) ... [2023-11-12 02:16:56,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:16:56,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:16:56,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:16:56,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:16:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:16:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:16:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:16:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:16:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:16:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:16:56,970 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:16:56,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:17:08,571 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:17:08,580 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:17:08,580 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:17:08,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:08 BoogieIcfgContainer [2023-11-12 02:17:08,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:17:08,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:17:08,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:17:08,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:17:08,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:16:56" (1/3) ... [2023-11-12 02:17:08,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc69a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:08, skipping insertion in model container [2023-11-12 02:17:08,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:16:56" (2/3) ... [2023-11-12 02:17:08,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc69a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:08, skipping insertion in model container [2023-11-12 02:17:08,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:08" (3/3) ... [2023-11-12 02:17:08,601 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-72.i [2023-11-12 02:17:08,626 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:17:08,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:17:08,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:17:08,716 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a4e4a28, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:17:08,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:17:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-12 02:17:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-12 02:17:08,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:08,748 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:08,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:08,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:08,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1139680206, now seen corresponding path program 1 times [2023-11-12 02:17:08,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:17:08,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917752936] [2023-11-12 02:17:08,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:08,783 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:17:08,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:17:08,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:17:08,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:17:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:10,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:17:10,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:17:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-12 02:17:10,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:17:10,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:17:10,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917752936] [2023-11-12 02:17:10,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917752936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:10,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:10,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:17:10,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705557105] [2023-11-12 02:17:10,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:10,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:17:10,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:17:10,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:17:10,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:17:10,636 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:17:10,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:17:10,666 INFO L93 Difference]: Finished difference Result 95 states and 159 transitions. [2023-11-12 02:17:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:17:10,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2023-11-12 02:17:10,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:17:10,678 INFO L225 Difference]: With dead ends: 95 [2023-11-12 02:17:10,678 INFO L226 Difference]: Without dead ends: 47 [2023-11-12 02:17:10,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:17:10,686 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:17:10,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:17:10,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-12 02:17:10,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-12 02:17:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-12 02:17:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2023-11-12 02:17:10,737 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 108 [2023-11-12 02:17:10,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:17:10,738 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2023-11-12 02:17:10,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:17:10,739 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2023-11-12 02:17:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-12 02:17:10,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:10,743 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:10,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:17:10,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:17:10,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:10,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:10,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1936765112, now seen corresponding path program 1 times [2023-11-12 02:17:10,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:17:10,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557838311] [2023-11-12 02:17:10,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:10,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:17:10,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:17:10,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:17:10,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_874166a4-9993-49d8-abeb-74521d799bdd/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:17:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:12,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-12 02:17:12,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:17:24,288 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-12 02:17:29,468 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-12 02:17:39,183 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-12 02:17:44,383 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)