./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6d412f41e33ad776ddd1099cb1079697e2761edfdecb4fbe189cb4f98c9e06c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:19:33,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:19:33,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:19:33,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:19:33,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:19:33,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:19:33,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:19:33,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:19:33,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:19:33,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:19:33,372 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:19:33,372 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:19:33,372 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:19:33,372 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:19:33,373 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:19:33,374 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:19:33,374 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:19:33,375 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:19:33,375 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:19:33,375 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:19:33,375 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:19:33,375 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:19:33,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:19:33,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:19:33,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:19:33,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:19:33,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:19:33,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:19:33,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:19:33,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:19:33,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:19:33,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:19:33,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:19:33,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:19:33,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:19:33,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:19:33,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:19:33,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:19:33,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:19:33,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:19:33,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:19:33,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:19:33,379 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:19:33,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:19:33,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:19:33,380 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:19:33,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:19:33,380 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> c6d412f41e33ad776ddd1099cb1079697e2761edfdecb4fbe189cb4f98c9e06c [2024-11-14 03:19:33,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:19:33,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:19:33,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:19:33,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:19:33,743 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:19:33,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i Unable to find full path for "g++" [2024-11-14 03:19:35,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:19:36,205 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:19:36,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i [2024-11-14 03:19:36,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/data/011f1cd05/8e657ca8b9594764bf0d1ed00fc755e7/FLAGa798702e2 [2024-11-14 03:19:36,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/data/011f1cd05/8e657ca8b9594764bf0d1ed00fc755e7 [2024-11-14 03:19:36,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:19:36,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:19:36,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:19:36,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:19:36,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:19:36,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3274dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36, skipping insertion in model container [2024-11-14 03:19:36,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:19:36,653 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i[917,930] [2024-11-14 03:19:36,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:19:36,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:19:36,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i[917,930] [2024-11-14 03:19:36,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:19:36,839 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:19:36,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36 WrapperNode [2024-11-14 03:19:36,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:19:36,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:19:36,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:19:36,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:19:36,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,921 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-14 03:19:36,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:19:36,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:19:36,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:19:36,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:19:36,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:19:36,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:19:36,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:19:36,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:19:36,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (1/1) ... [2024-11-14 03:19:36,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:19:36,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:19:36,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:19:36,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:19:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:19:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:19:37,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:19:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:19:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:19:37,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:19:37,151 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:19:37,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:19:37,602 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 03:19:37,603 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:19:37,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:19:37,825 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:19:37,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:19:37 BoogieIcfgContainer [2024-11-14 03:19:37,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:19:37,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:19:37,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:19:37,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:19:37,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:19:36" (1/3) ... [2024-11-14 03:19:37,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eebfe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:19:37, skipping insertion in model container [2024-11-14 03:19:37,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:36" (2/3) ... [2024-11-14 03:19:37,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eebfe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:19:37, skipping insertion in model container [2024-11-14 03:19:37,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:19:37" (3/3) ... [2024-11-14 03:19:37,841 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-48.i [2024-11-14 03:19:37,861 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:19:37,863 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-48.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:19:37,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:19:37,966 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@5e5da1cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:19:37,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:19:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 03:19:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-14 03:19:37,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:19:37,983 INFO L215 NwaCegarLoop]: trace histogram [21, 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, 1, 1] [2024-11-14 03:19:37,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:19:37,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:19:37,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2064764651, now seen corresponding path program 1 times [2024-11-14 03:19:37,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:19:37,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056946361] [2024-11-14 03:19:37,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:37,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:19:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:19:38,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:19:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:19:38,722 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:19:38,724 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:19:38,726 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:19:38,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:19:38,734 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:19:38,809 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:19:38,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:19:38 BoogieIcfgContainer [2024-11-14 03:19:38,813 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:19:38,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:19:38,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:19:38,814 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:19:38,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:19:37" (3/4) ... [2024-11-14 03:19:38,817 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:19:38,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:19:38,820 INFO L158 Benchmark]: Toolchain (without parser) took 2425.71ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 61.6MB in the end (delta: 31.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-14 03:19:38,820 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:19:38,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.01ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 79.6MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:19:38,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.97ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:19:38,822 INFO L158 Benchmark]: Boogie Preprocessor took 30.01ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:19:38,822 INFO L158 Benchmark]: RCFGBuilder took 873.24ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 48.7MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:19:38,823 INFO L158 Benchmark]: TraceAbstraction took 983.27ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 61.6MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:19:38,823 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:19:38,825 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.01ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 79.6MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.97ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.01ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 873.24ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 48.7MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 983.27ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 61.6MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 21.0kB). 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 81, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 32.8; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 5.5; [L25] float var_1_4 = 128.75; [L26] float var_1_5 = 4.5; [L27] float var_1_6 = 9.25; [L28] unsigned char var_1_7 = 5; [L29] unsigned char var_1_11 = 200; [L30] unsigned char var_1_12 = 8; [L31] unsigned char var_1_13 = 4; [L32] unsigned char var_1_14 = 100; [L33] unsigned char var_1_15 = 64; [L34] unsigned char var_1_16 = 1; [L35] unsigned char var_1_17 = 200; [L36] unsigned char var_1_18 = 2; [L37] unsigned char var_1_19 = 0; [L38] unsigned long int var_1_20 = 1; [L39] signed long int var_1_21 = 64; [L40] unsigned char var_1_22 = 100; [L41] unsigned char last_1_var_1_7 = 5; [L115] isInitial = 1 [L116] FCALL initially() [L117] COND TRUE 1 [L118] CALL updateLastVariables() [L108] last_1_var_1_7 = var_1_7 [L118] RET updateLastVariables() [L119] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L74] var_1_3 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L76] var_1_4 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_5=9/2, var_1_6=37/4, var_1_7=5] [L78] var_1_5 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_6=37/4, var_1_7=5] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_6=37/4, var_1_7=5] [L80] var_1_6 = __VERIFIER_nondet_float() [L81] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=200, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L82] var_1_11 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_11 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_11 >= 190) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L84] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=8, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L87] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=4, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L88] var_1_13 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L90] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=100, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L91] var_1_14 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_14 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 >= 63) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L93] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=64, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L94] var_1_15 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_15 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 >= 63) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L96] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=200, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L97] var_1_17 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_17 >= 191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_17 >= 191) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L99] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=2, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L100] var_1_18 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L102] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L103] var_1_19 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=63, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=63, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L105] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=1, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=164/5, var_1_20=1, var_1_21=64, var_1_22=100, var_1_7=5] [L119] RET updateVariables() [L120] CALL step() [L45] COND TRUE var_1_2 <= var_1_3 [L46] COND TRUE var_1_3 < ((var_1_4 - var_1_5) + 1.395f) [L47] var_1_1 = var_1_6 [L54] var_1_20 = var_1_14 [L55] var_1_21 = var_1_17 [L56] var_1_22 = 4 [L57] signed long int stepLocal_0 = var_1_21; [L58] COND FALSE !(((var_1_17 - var_1_12) - (8 + var_1_18)) > stepLocal_0) [L61] var_1_16 = var_1_19 [L63] COND FALSE !(\read(var_1_16)) [L120] RET step() [L121] CALL, EXPR property() [L111-L112] return ((((((var_1_2 <= var_1_3) ? ((var_1_3 < ((var_1_4 - var_1_5) + 1.395f)) ? (var_1_1 == ((float) var_1_6)) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (var_1_16 ? ((last_1_var_1_7 != last_1_var_1_7) ? (var_1_7 == ((unsigned char) ((var_1_11 - var_1_12) - var_1_13))) : (var_1_7 == ((unsigned char) (var_1_11 - (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15))) - var_1_12))))) : 1)) && ((((var_1_17 - var_1_12) - (8 + var_1_18)) > var_1_21) ? (var_1_16 == ((unsigned char) (! var_1_19))) : (var_1_16 == ((unsigned char) var_1_19)))) && (var_1_20 == ((unsigned long int) var_1_14))) && (var_1_21 == ((signed long int) var_1_17))) && (var_1_22 == ((unsigned char) 4)) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=0, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=260, var_1_20=127, var_1_21=191, var_1_22=4, var_1_6=260, var_1_7=5] [L19] reach_error() VAL [isInitial=1, last_1_var_1_7=5, var_1_11=-32322, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=127, var_1_16=0, var_1_17=191, var_1_18=63, var_1_19=0, var_1_1=260, var_1_20=127, var_1_21=191, var_1_22=4, var_1_6=260, var_1_7=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2024-11-14 03:19:38,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6d412f41e33ad776ddd1099cb1079697e2761edfdecb4fbe189cb4f98c9e06c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:19:41,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:19:42,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:19:42,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:19:42,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:19:42,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:19:42,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:19:42,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:19:42,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:19:42,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:19:42,209 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:19:42,209 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:19:42,211 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:19:42,211 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:19:42,211 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:19:42,211 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:19:42,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:19:42,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:19:42,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:19:42,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:19:42,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:19:42,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:19:42,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:19:42,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:19:42,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:19:42,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:19:42,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:19:42,214 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:19:42,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:19:42,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:19:42,215 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:19:42,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:19:42,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:19:42,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:19:42,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:19:42,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:19:42,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:19:42,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:19:42,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:19:42,218 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:19:42,218 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:19:42,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:19:42,218 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:19:42,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> c6d412f41e33ad776ddd1099cb1079697e2761edfdecb4fbe189cb4f98c9e06c [2024-11-14 03:19:42,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:19:42,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:19:42,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:19:42,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:19:42,634 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:19:42,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i Unable to find full path for "g++" [2024-11-14 03:19:44,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:19:45,033 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:19:45,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i [2024-11-14 03:19:45,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/data/4dbbc8ea7/a5dac8a8d6db46bca4806e499c2b5c41/FLAGd517b0eb3 [2024-11-14 03:19:45,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/data/4dbbc8ea7/a5dac8a8d6db46bca4806e499c2b5c41 [2024-11-14 03:19:45,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:19:45,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:19:45,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:19:45,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:19:45,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:19:45,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f5b6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45, skipping insertion in model container [2024-11-14 03:19:45,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:19:45,330 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i[917,930] [2024-11-14 03:19:45,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:19:45,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:19:45,460 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-48.i[917,930] [2024-11-14 03:19:45,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:19:45,542 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:19:45,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45 WrapperNode [2024-11-14 03:19:45,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:19:45,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:19:45,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:19:45,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:19:45,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,622 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-14 03:19:45,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:19:45,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:19:45,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:19:45,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:19:45,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:19:45,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:19:45,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:19:45,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:19:45,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (1/1) ... [2024-11-14 03:19:45,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:19:45,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:19:45,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:19:45,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:19:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:19:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:19:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:19:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:19:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:19:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:19:45,921 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:19:45,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:19:46,596 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 03:19:46,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:19:46,610 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:19:46,610 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:19:46,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:19:46 BoogieIcfgContainer [2024-11-14 03:19:46,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:19:46,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:19:46,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:19:46,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:19:46,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:19:45" (1/3) ... [2024-11-14 03:19:46,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bedc5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:19:46, skipping insertion in model container [2024-11-14 03:19:46,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:19:45" (2/3) ... [2024-11-14 03:19:46,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bedc5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:19:46, skipping insertion in model container [2024-11-14 03:19:46,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:19:46" (3/3) ... [2024-11-14 03:19:46,624 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-48.i [2024-11-14 03:19:46,648 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:19:46,651 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-48.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:19:46,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:19:46,770 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@7b6682a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:19:46,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:19:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 03:19:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 03:19:46,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:19:46,794 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:19:46,794 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:19:46,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:19:46,802 INFO L85 PathProgramCache]: Analyzing trace with hash 963848449, now seen corresponding path program 1 times [2024-11-14 03:19:46,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:19:46,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006404993] [2024-11-14 03:19:46,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:46,816 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 [2024-11-14 03:19:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:19:46,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:19:46,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:19:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:19:47,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:19:47,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:19:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2024-11-14 03:19:47,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:19:47,236 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:19:47,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006404993] [2024-11-14 03:19:47,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006404993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:19:47,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:19:47,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:19:47,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116620297] [2024-11-14 03:19:47,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:19:47,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:19:47,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:19:47,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:19:47,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:19:47,272 INFO L87 Difference]: Start difference. First operand has 59 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 03:19:47,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:19:47,300 INFO L93 Difference]: Finished difference Result 111 states and 189 transitions. [2024-11-14 03:19:47,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:19:47,303 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2024-11-14 03:19:47,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:19:47,310 INFO L225 Difference]: With dead ends: 111 [2024-11-14 03:19:47,310 INFO L226 Difference]: Without dead ends: 55 [2024-11-14 03:19:47,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:19:47,317 INFO L432 NwaCegarLoop]: 79 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, 79 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 [2024-11-14 03:19:47,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:19:47,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-14 03:19:47,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-14 03:19:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 03:19:47,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2024-11-14 03:19:47,373 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 131 [2024-11-14 03:19:47,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:19:47,373 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2024-11-14 03:19:47,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 03:19:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2024-11-14 03:19:47,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 03:19:47,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:19:47,381 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:19:47,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 03:19:47,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:19:47,582 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:19:47,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:19:47,583 INFO L85 PathProgramCache]: Analyzing trace with hash -575910985, now seen corresponding path program 1 times [2024-11-14 03:19:47,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:19:47,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815008384] [2024-11-14 03:19:47,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:47,584 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 [2024-11-14 03:19:47,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:19:47,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:19:47,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:19:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:19:47,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:19:47,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:19:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-14 03:19:48,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:19:48,201 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:19:48,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815008384] [2024-11-14 03:19:48,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815008384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:19:48,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:19:48,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:19:48,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156415309] [2024-11-14 03:19:48,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:19:48,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:19:48,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:19:48,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:19:48,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:19:48,211 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 03:19:49,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:19:49,187 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2024-11-14 03:19:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 03:19:49,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 131 [2024-11-14 03:19:49,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:19:49,190 INFO L225 Difference]: With dead ends: 175 [2024-11-14 03:19:49,192 INFO L226 Difference]: Without dead ends: 123 [2024-11-14 03:19:49,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-14 03:19:49,196 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 118 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:19:49,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 179 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:19:49,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-14 03:19:49,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 60. [2024-11-14 03:19:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 03:19:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2024-11-14 03:19:49,229 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 131 [2024-11-14 03:19:49,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:19:49,232 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2024-11-14 03:19:49,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-14 03:19:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2024-11-14 03:19:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 03:19:49,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:19:49,236 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:19:49,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 03:19:49,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:19:49,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:19:49,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:19:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash -518652683, now seen corresponding path program 1 times [2024-11-14 03:19:49,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:19:49,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359144106] [2024-11-14 03:19:49,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:19:49,441 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 [2024-11-14 03:19:49,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:19:49,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:19:49,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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 (4)] Waiting until timeout for monitored process [2024-11-14 03:19:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:19:49,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 03:19:49,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:20:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 365 proven. 359 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-14 03:20:01,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:20:08,453 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:20:08,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359144106] [2024-11-14 03:20:08,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359144106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:20:08,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1022875394] [2024-11-14 03:20:08,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:20:08,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:20:08,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:20:08,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:20:08,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 03:20:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:20:09,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 03:20:09,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:20:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 522 proven. 60 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-14 03:20:13,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:20:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-14 03:20:17,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1022875394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:20:17,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493025958] [2024-11-14 03:20:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:20:17,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:20:17,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:20:17,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:20:17,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 03:20:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:20:17,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 03:20:17,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:20:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 326 proven. 398 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-14 03:20:24,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:20:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 33 proven. 84 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2024-11-14 03:20:28,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493025958] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:20:28,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2024-11-14 03:20:28,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14, 11, 20, 14] total 46 [2024-11-14 03:20:28,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393028086] [2024-11-14 03:20:28,440 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2024-11-14 03:20:28,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-14 03:20:28,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:20:28,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-14 03:20:28,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=1945, Unknown=0, NotChecked=0, Total=2450 [2024-11-14 03:20:28,446 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 46 states, 45 states have (on average 2.5555555555555554) internal successors, (115), 45 states have internal predecessors, (115), 9 states have call successors, (55), 7 states have call predecessors, (55), 15 states have return successors, (60), 10 states have call predecessors, (60), 9 states have call successors, (60) [2024-11-14 03:20:36,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:20:36,985 INFO L93 Difference]: Finished difference Result 151 states and 197 transitions. [2024-11-14 03:20:36,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 03:20:36,987 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.5555555555555554) internal successors, (115), 45 states have internal predecessors, (115), 9 states have call successors, (55), 7 states have call predecessors, (55), 15 states have return successors, (60), 10 states have call predecessors, (60), 9 states have call successors, (60) Word has length 131 [2024-11-14 03:20:36,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:20:36,988 INFO L225 Difference]: With dead ends: 151 [2024-11-14 03:20:36,988 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:20:36,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 614 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1772 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=1287, Invalid=4719, Unknown=0, NotChecked=0, Total=6006 [2024-11-14 03:20:36,993 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 132 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:20:36,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 449 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-14 03:20:36,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:20:36,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:20:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:20:36,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:20:36,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 131 [2024-11-14 03:20:36,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:20:36,996 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:20:36,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.5555555555555554) internal successors, (115), 45 states have internal predecessors, (115), 9 states have call successors, (55), 7 states have call predecessors, (55), 15 states have return successors, (60), 10 states have call predecessors, (60), 9 states have call successors, (60) [2024-11-14 03:20:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:20:36,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:20:37,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:20:37,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-14 03:20:37,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/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 (4)] Ended with exit code 0 [2024-11-14 03:20:37,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 03:20:37,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:20:37,605 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 03:20:37,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 03:20:43,420 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:20:43,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 03:20:43,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 03:20:43,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 03:20:43,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 03:20:43,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,454 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 03:20:43,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 03:20:43,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 03:20:43,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:20:43 BoogieIcfgContainer [2024-11-14 03:20:43,460 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:20:43,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:20:43,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:20:43,462 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:20:43,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:19:46" (3/4) ... [2024-11-14 03:20:43,466 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:20:43,473 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 03:20:43,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-14 03:20:43,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 03:20:43,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 03:20:43,484 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 03:20:43,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:20:43,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:20:43,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:20:43,611 INFO L158 Benchmark]: Toolchain (without parser) took 58523.98ms. Allocated memory was 83.9MB in the beginning and 838.9MB in the end (delta: 755.0MB). Free memory was 60.4MB in the beginning and 449.0MB in the end (delta: -388.6MB). Peak memory consumption was 361.7MB. Max. memory is 16.1GB. [2024-11-14 03:20:43,612 INFO L158 Benchmark]: CDTParser took 3.32ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:20:43,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.72ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 47.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:20:43,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.13ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:20:43,614 INFO L158 Benchmark]: Boogie Preprocessor took 57.39ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 43.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:20:43,614 INFO L158 Benchmark]: RCFGBuilder took 929.75ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 27.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:20:43,614 INFO L158 Benchmark]: TraceAbstraction took 56845.90ms. Allocated memory was 83.9MB in the beginning and 838.9MB in the end (delta: 755.0MB). Free memory was 27.0MB in the beginning and 453.1MB in the end (delta: -426.1MB). Peak memory consumption was 328.1MB. Max. memory is 16.1GB. [2024-11-14 03:20:43,615 INFO L158 Benchmark]: Witness Printer took 148.55ms. Allocated memory is still 838.9MB. Free memory was 453.1MB in the beginning and 449.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:20:43,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.32ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.72ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 47.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.13ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.39ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 43.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 929.75ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 27.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 56845.90ms. Allocated memory was 83.9MB in the beginning and 838.9MB in the end (delta: 755.0MB). Free memory was 27.0MB in the beginning and 453.1MB in the end (delta: -426.1MB). Peak memory consumption was 328.1MB. Max. memory is 16.1GB. * Witness Printer took 148.55ms. Allocated memory is still 838.9MB. Free memory was 453.1MB in the beginning and 449.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.9s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 707 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 515 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1026 IncrementalHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 192 mSDtfsCounter, 1026 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 965 GetRequests, 871 SyntacticMatches, 3 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1823 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=2, InterpolantAutomatonStates: 52, 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, 3 MinimizatonAttempts, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 38.3s InterpolantComputationTime, 655 NumberOfCodeBlocks, 655 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 910 ConstructedInterpolants, 8 QuantifiedInterpolants, 11548 SizeOfPredicates, 66 NumberOfNonLiveVariables, 1065 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 4931/5880 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (((((((((var_1_6 == var_1_1) && (var_1_17 >= 191)) && (var_1_18 <= 63)) && (var_1_19 <= 0)) && (var_1_12 <= 63)) && (var_1_17 == var_1_21)) && (4 == var_1_22)) && (var_1_20 == var_1_14)) || (((((var_1_17 >= 191) && (var_1_18 <= 63)) && (var_1_19 <= 0)) && (var_1_12 <= 63)) && (0 != var_1_16))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((((var_1_17 >= 191) && (var_1_18 <= 63)) && (var_1_12 <= 63)) || (var_1_19 <= 0)) Ensures: (((0 != cond) && ((((var_1_17 >= 191) && (var_1_18 <= 63)) && (var_1_12 <= 63)) || (var_1_19 <= 0))) && (((((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (var_1_19 == \old(var_1_19))) && (var_1_20 == \old(var_1_20))) && (var_1_21 == \old(var_1_21))) && (var_1_22 == \old(var_1_22))) && (last_1_var_1_7 == \old(last_1_var_1_7)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 03:20:43,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e97767c-54a8-4681-80c7-b889eb7577ae/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE