./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.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_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 a7653fcc22bc6223490ab137d2e71462c760555325edac4f323356ac25b70c1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:59:57,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:59:58,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:59:58,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:59:58,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:59:58,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:59:58,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:59:58,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:59:58,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:59:58,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:59:58,079 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:59:58,079 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:59:58,079 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:59:58,079 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:59:58,079 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:59:58,080 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:59:58,080 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:59:58,080 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:59:58,080 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:59:58,080 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:59:58,080 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:59:58,080 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:59:58,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:59:58,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:59:58,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:59:58,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:59:58,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:59:58,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:59:58,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:59:58,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:59:58,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:59:58,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:59:58,086 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:59:58,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:59:58,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:59:58,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:59:58,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:59:58,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:59:58,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:59:58,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:59:58,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:59:58,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:59:58,088 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:59:58,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:59:58,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:59:58,088 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:59:58,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:59:58,088 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_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 -> a7653fcc22bc6223490ab137d2e71462c760555325edac4f323356ac25b70c1e [2024-11-14 03:59:58,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:59:58,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:59:58,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:59:58,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:59:58,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:59:58,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i Unable to find full path for "g++" [2024-11-14 04:00:00,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:00:01,297 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:00:01,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-14 04:00:01,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/data/d6af9462c/b162b27e9b3b41fc9c00e0d60eeb1a1f/FLAGde9de93b8 [2024-11-14 04:00:01,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/data/d6af9462c/b162b27e9b3b41fc9c00e0d60eeb1a1f [2024-11-14 04:00:01,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:00:01,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:00:01,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:00:01,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:00:01,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:00:01,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ed022c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01, skipping insertion in model container [2024-11-14 04:00:01,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:00:01,595 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_44eb6182-9114-456c-b5d0-4395b3c2cab2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i[916,929] [2024-11-14 04:00:01,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:00:01,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:00:01,690 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_44eb6182-9114-456c-b5d0-4395b3c2cab2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i[916,929] [2024-11-14 04:00:01,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:00:01,745 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:00:01,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01 WrapperNode [2024-11-14 04:00:01,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:00:01,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:00:01,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:00:01,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:00:01,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,801 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-14 04:00:01,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:00:01,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:00:01,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:00:01,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:00:01,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:00:01,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:00:01,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:00:01,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:00:01,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (1/1) ... [2024-11-14 04:00:01,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:00:01,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:01,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:00:01,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:00:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:00:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:00:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:00:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:00:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:00:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:00:02,057 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:00:02,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:00:02,459 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 04:00:02,459 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:00:02,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:00:02,726 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:00:02,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:02 BoogieIcfgContainer [2024-11-14 04:00:02,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:00:02,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:00:02,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:00:02,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:00:02,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:00:01" (1/3) ... [2024-11-14 04:00:02,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:00:02, skipping insertion in model container [2024-11-14 04:00:02,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:01" (2/3) ... [2024-11-14 04:00:02,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:00:02, skipping insertion in model container [2024-11-14 04:00:02,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:02" (3/3) ... [2024-11-14 04:00:02,745 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-14 04:00:02,765 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:00:02,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-3.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:00:02,832 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:00:02,848 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;@1f9243bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:00:02,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:00:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:00:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 04:00:02,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:02,865 INFO L215 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:00:02,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:02,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:02,873 INFO L85 PathProgramCache]: Analyzing trace with hash -504754187, now seen corresponding path program 1 times [2024-11-14 04:00:02,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:02,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709733007] [2024-11-14 04:00:02,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:02,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:00:03,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:00:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:00:03,451 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:00:03,453 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:00:03,455 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:00:03,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:00:03,463 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:00:03,533 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:00:03,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:00:03 BoogieIcfgContainer [2024-11-14 04:00:03,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:00:03,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:00:03,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:00:03,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:00:03,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:02" (3/4) ... [2024-11-14 04:00:03,542 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:00:03,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:00:03,544 INFO L158 Benchmark]: Toolchain (without parser) took 2195.82ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 71.0MB in the end (delta: 20.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-14 04:00:03,545 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.43ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 78.7MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:00:03,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.79ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,546 INFO L158 Benchmark]: Boogie Preprocessor took 34.37ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,547 INFO L158 Benchmark]: RCFGBuilder took 889.60ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 51.5MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:00:03,547 INFO L158 Benchmark]: TraceAbstraction took 806.05ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 71.8MB in the end (delta: -21.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,547 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.0MB in the end (delta: 729.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:00:03,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.43ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 78.7MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.79ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.37ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 889.60ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 51.5MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 806.05ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 71.8MB in the end (delta: -21.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.0MB in the end (delta: 729.4kB). 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 someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of someUnaryDOUBLEoperation at line 61, overapproximation of someUnaryDOUBLEoperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] signed long int var_1_6 = -64; [L26] signed long int var_1_7 = -5; [L27] signed long int var_1_8 = 500; [L28] signed long int var_1_9 = -5; [L29] signed long int var_1_10 = -100; [L30] unsigned char var_1_11 = 1; [L31] double var_1_12 = 127.5; [L32] double var_1_13 = 15.75; [L33] double var_1_14 = -0.5; [L34] double var_1_15 = 5.25; [L35] double var_1_16 = 8.5; [L36] unsigned char last_1_var_1_11 = 1; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] last_1_var_1_11 = var_1_11 [L105] RET updateLastVariables() [L106] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L69] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L70] var_1_5 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L72] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=500, var_1_9=-5] [L75] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=500, var_1_9=-5] [L76] var_1_8 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=-5] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=-5] [L78] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=-5] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=-5] [L79] var_1_9 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_9 >= -536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 >= -536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L81] CALL assume_abort_if_not(var_1_9 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 <= 536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= -536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L84] CALL assume_abort_if_not(var_1_10 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L85] var_1_13 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L87] var_1_14 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L89] var_1_15 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L91] var_1_16 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L106] RET updateVariables() [L107] CALL step() [L40] unsigned char stepLocal_0 = last_1_var_1_11; [L41] COND FALSE !(! last_1_var_1_11) [L46] signed long int stepLocal_2 = var_1_7; [L47] signed long int stepLocal_1 = var_1_10; [L48] COND TRUE var_1_8 <= stepLocal_2 [L49] COND FALSE !(stepLocal_1 >= var_1_9) [L52] var_1_11 = (var_1_1 || (! var_1_5)) [L55] COND FALSE !(! var_1_11) [L58] var_1_6 = ((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) + var_1_10) + var_1_7) [L60] COND FALSE !(\read(var_1_4)) [L63] var_1_12 = var_1_15 [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : 1) : 1) && ((! var_1_11) ? (var_1_6 == ((signed long int) (var_1_7 + var_1_8))) : (var_1_6 == ((signed long int) ((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) + var_1_10) + var_1_7))))) && ((var_1_8 <= var_1_7) ? ((var_1_10 >= var_1_9) ? (var_1_11 == ((unsigned char) (! var_1_5))) : (var_1_11 == ((unsigned char) (var_1_1 || (! var_1_5))))) : 1)) && (var_1_4 ? (var_1_12 == ((double) (((((((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + var_1_15)) < ((((((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) < 0 ) ? -((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) : ((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))))))) ? ((((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + var_1_15)) : ((((((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) < 0 ) ? -((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) : ((((3.5) < (var_1_16)) ? (3.5) : (var_1_16)))))))))) : (var_1_12 == ((double) var_1_15))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=7/2, var_1_15=7/2, var_1_16=7/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=2147483646, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_10=536870911, var_1_11=1, var_1_12=7/2, var_1_15=7/2, var_1_16=7/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=2147483646, var_1_7=1073741823, var_1_8=1073741823, var_1_9=536870912] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 16, 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=35occurred 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, 62 NumberOfCodeBlocks, 62 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 04:00:03,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 a7653fcc22bc6223490ab137d2e71462c760555325edac4f323356ac25b70c1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:00:06,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:00:06,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:00:06,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:00:06,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:00:06,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:00:06,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:00:06,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:00:06,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:00:06,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:00:06,964 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:00:06,964 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:00:06,964 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:00:06,965 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:00:06,965 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:00:06,965 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:00:06,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:00:06,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:00:06,966 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:00:06,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:00:06,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:00:06,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:00:06,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:00:06,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:00:06,966 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:00:06,966 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:00:06,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:00:06,970 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:00:06,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:00:06,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:00:06,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:00:06,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:00:06,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:00:06,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:00:06,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:00:06,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:00:06,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:00:06,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:00:06,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:00:06,971 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:00:06,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:00:06,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:00:06,971 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:00:06,971 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_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 -> a7653fcc22bc6223490ab137d2e71462c760555325edac4f323356ac25b70c1e [2024-11-14 04:00:07,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:00:07,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:00:07,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:00:07,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:00:07,417 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:00:07,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i Unable to find full path for "g++" [2024-11-14 04:00:09,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:00:10,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:00:10,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-14 04:00:10,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/data/8a14736bb/9ad2ae4eb9074222a7d3e17e486dbb5d/FLAG3fabb77ee [2024-11-14 04:00:10,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/data/8a14736bb/9ad2ae4eb9074222a7d3e17e486dbb5d [2024-11-14 04:00:10,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:00:10,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:00:10,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:00:10,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:00:10,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:00:10,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67573523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10, skipping insertion in model container [2024-11-14 04:00:10,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:00:10,635 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_44eb6182-9114-456c-b5d0-4395b3c2cab2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i[916,929] [2024-11-14 04:00:10,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:00:10,715 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:00:10,733 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_44eb6182-9114-456c-b5d0-4395b3c2cab2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-3.i[916,929] [2024-11-14 04:00:10,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:00:10,791 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:00:10,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10 WrapperNode [2024-11-14 04:00:10,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:00:10,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:00:10,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:00:10,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:00:10,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,841 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-14 04:00:10,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:00:10,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:00:10,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:00:10,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:00:10,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:00:10,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:00:10,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:00:10,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:00:10,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (1/1) ... [2024-11-14 04:00:10,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:00:10,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:10,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:00:10,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:00:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:00:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:00:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:00:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:00:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:00:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:00:11,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:00:11,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:00:12,220 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 04:00:12,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:00:12,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:00:12,233 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:00:12,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:12 BoogieIcfgContainer [2024-11-14 04:00:12,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:00:12,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:00:12,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:00:12,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:00:12,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:00:10" (1/3) ... [2024-11-14 04:00:12,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7fdd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:00:12, skipping insertion in model container [2024-11-14 04:00:12,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:10" (2/3) ... [2024-11-14 04:00:12,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7fdd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:00:12, skipping insertion in model container [2024-11-14 04:00:12,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:12" (3/3) ... [2024-11-14 04:00:12,247 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-3.i [2024-11-14 04:00:12,268 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:00:12,270 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-3.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:00:12,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:00:12,360 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;@5f3fe2ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:00:12,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:00:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:00:12,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-14 04:00:12,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:12,380 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:00:12,381 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:12,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:12,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1089011108, now seen corresponding path program 1 times [2024-11-14 04:00:12,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:00:12,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741872203] [2024-11-14 04:00:12,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:12,401 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 04:00:12,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:00:12,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:12,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:12,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:00:12,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-14 04:00:12,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:00:12,857 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:00:12,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741872203] [2024-11-14 04:00:12,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741872203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:12,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:00:12,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:00:12,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349830668] [2024-11-14 04:00:12,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:12,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:00:12,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:00:12,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:00:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:00:12,892 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 04:00:12,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:12,920 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-14 04:00:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:00:12,923 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-11-14 04:00:12,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:12,932 INFO L225 Difference]: With dead ends: 97 [2024-11-14 04:00:12,933 INFO L226 Difference]: Without dead ends: 48 [2024-11-14 04:00:12,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 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 04:00:12,941 INFO L432 NwaCegarLoop]: 69 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, 69 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 04:00:12,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:00:12,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-14 04:00:12,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-14 04:00:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:00:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-11-14 04:00:12,991 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 104 [2024-11-14 04:00:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:12,992 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-11-14 04:00:12,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 04:00:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-14 04:00:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-14 04:00:12,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:12,997 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:00:13,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:00:13,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:13,202 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:13,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:13,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1356210348, now seen corresponding path program 1 times [2024-11-14 04:00:13,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:00:13,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976388235] [2024-11-14 04:00:13,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:13,204 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 04:00:13,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:00:13,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:13,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:13,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:00:13,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-14 04:00:14,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:00:14,191 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:00:14,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976388235] [2024-11-14 04:00:14,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976388235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:14,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:00:14,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:00:14,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646870781] [2024-11-14 04:00:14,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:14,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:00:14,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:00:14,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:00:14,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:00:14,200 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-14 04:00:14,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:14,621 INFO L93 Difference]: Finished difference Result 138 states and 201 transitions. [2024-11-14 04:00:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:00:14,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-14 04:00:14,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:14,625 INFO L225 Difference]: With dead ends: 138 [2024-11-14 04:00:14,626 INFO L226 Difference]: Without dead ends: 93 [2024-11-14 04:00:14,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:00:14,627 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:14,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:00:14,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-14 04:00:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-11-14 04:00:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 04:00:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-11-14 04:00:14,674 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 104 [2024-11-14 04:00:14,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:14,674 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-11-14 04:00:14,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-14 04:00:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-11-14 04:00:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-14 04:00:14,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:14,679 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:00:14,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:00:14,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:14,880 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:14,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:14,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1413468650, now seen corresponding path program 1 times [2024-11-14 04:00:14,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:00:14,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408342077] [2024-11-14 04:00:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:14,882 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 04:00:14,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:00:14,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:14,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:15,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:00:15,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-14 04:00:15,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-14 04:00:16,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:00:16,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408342077] [2024-11-14 04:00:16,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408342077] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:00:16,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1176870837] [2024-11-14 04:00:16,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:16,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:00:16,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:00:16,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:00:16,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 04:00:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:16,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:00:16,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-14 04:00:17,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:17,783 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-14 04:00:17,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1176870837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:00:17,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240379081] [2024-11-14 04:00:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:17,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:17,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:17,789 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:00:17,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:00:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:18,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:00:18,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-14 04:00:18,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-14 04:00:18,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240379081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:00:18,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:00:18,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-14 04:00:18,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962544608] [2024-11-14 04:00:18,735 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:00:18,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:00:18,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:00:18,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:00:18,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:00:18,743 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-14 04:00:19,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:19,527 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-11-14 04:00:19,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:00:19,537 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 104 [2024-11-14 04:00:19,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:19,540 INFO L225 Difference]: With dead ends: 193 [2024-11-14 04:00:19,540 INFO L226 Difference]: Without dead ends: 106 [2024-11-14 04:00:19,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 610 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:00:19,542 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:19,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 109 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:00:19,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-14 04:00:19,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-11-14 04:00:19,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 04:00:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-14 04:00:19,574 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 104 [2024-11-14 04:00:19,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:19,575 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-14 04:00:19,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-14 04:00:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-14 04:00:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-14 04:00:19,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:19,578 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:00:19,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:00:19,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 04:00:19,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:00:20,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:20,180 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:20,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:20,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1415315692, now seen corresponding path program 1 times [2024-11-14 04:00:20,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:00:20,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914236587] [2024-11-14 04:00:20,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:20,182 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 04:00:20,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:00:20,185 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 04:00:20,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44eb6182-9114-456c-b5d0-4395b3c2cab2/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 (7)] Waiting until timeout for monitored process [2024-11-14 04:00:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:20,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 04:00:20,635 INFO L278 TraceCheckSpWp]: Computing forward predicates...