./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje --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 9f9164e1a34b1b6bc15e6d6c10636cd9af69b42bd441271521d7273f80c38ea6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:30:51,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:30:51,587 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:30:51,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:30:51,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:30:51,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:30:51,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:30:51,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:30:51,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:30:51,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:30:51,639 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:30:51,639 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:30:51,640 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:30:51,640 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:30:51,641 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:30:51,641 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:30:51,642 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:30:51,642 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:30:51,642 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:30:51,643 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:30:51,643 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:30:51,648 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:30:51,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:30:51,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:30:51,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:30:51,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:30:51,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:30:51,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:30:51,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:30:51,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:30:51,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:30:51,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:30:51,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:30:51,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:30:51,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:30:51,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:30:51,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:30:51,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:30:51,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:51,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:30:51,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:30:51,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:30:51,659 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:30:51,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:30:51,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:30:51,660 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:30:51,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:30:51,661 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f9164e1a34b1b6bc15e6d6c10636cd9af69b42bd441271521d7273f80c38ea6 [2024-11-09 04:30:51,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:30:51,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:30:51,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:30:51,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:30:51,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:30:51,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i Unable to find full path for "g++" [2024-11-09 04:30:54,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:30:54,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:30:54,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i [2024-11-09 04:30:54,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/data/872bf0a5e/76b7a9a29b1540018bfba7a1ba8f2983/FLAG1d3d8fa05 [2024-11-09 04:30:54,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/data/872bf0a5e/76b7a9a29b1540018bfba7a1ba8f2983 [2024-11-09 04:30:54,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:30:54,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:30:54,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:54,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:30:54,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:30:54,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1de86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54, skipping insertion in model container [2024-11-09 04:30:54,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:30:54,583 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_3e4aa06f-532b-48d0-8b0a-54ebd807a486/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i[916,929] [2024-11-09 04:30:54,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:54,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:30:54,673 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_3e4aa06f-532b-48d0-8b0a-54ebd807a486/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i[916,929] [2024-11-09 04:30:54,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:54,752 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:30:54,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54 WrapperNode [2024-11-09 04:30:54,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:54,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:54,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:30:54,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:30:54,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,835 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-09 04:30:54,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:54,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:30:54,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:30:54,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:30:54,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:30:54,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:30:54,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:30:54,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:30:54,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (1/1) ... [2024-11-09 04:30:54,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:54,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:54,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:30:54,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:30:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:30:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:30:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:30:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:30:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:30:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:30:55,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:30:55,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:30:55,480 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-09 04:30:55,481 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:30:55,755 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:30:55,755 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:30:55,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:55 BoogieIcfgContainer [2024-11-09 04:30:55,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:30:55,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:30:55,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:30:55,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:30:55,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:30:54" (1/3) ... [2024-11-09 04:30:55,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a58ce91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:55, skipping insertion in model container [2024-11-09 04:30:55,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:54" (2/3) ... [2024-11-09 04:30:55,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a58ce91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:55, skipping insertion in model container [2024-11-09 04:30:55,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:55" (3/3) ... [2024-11-09 04:30:55,768 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-83.i [2024-11-09 04:30:55,789 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:30:55,790 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:30:55,863 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:30:55,869 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;@58c7676d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:30:55,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:30:55,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 04:30:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 04:30:55,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:55,881 INFO L215 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:30:55,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:55,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:55,886 INFO L85 PathProgramCache]: Analyzing trace with hash 163355124, now seen corresponding path program 1 times [2024-11-09 04:30:55,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:30:55,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60168189] [2024-11-09 04:30:55,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:55,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:30:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:30:56,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [899408674] [2024-11-09 04:30:56,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:56,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:30:56,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:56,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:30:56,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:30:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:56,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:30:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:30:56,661 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:30:56,664 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:30:56,666 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:30:56,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:30:56,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:30:56,876 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:30:56,937 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:30:56,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:30:56 BoogieIcfgContainer [2024-11-09 04:30:56,941 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:30:56,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:30:56,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:30:56,942 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:30:56,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:55" (3/4) ... [2024-11-09 04:30:56,946 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:30:56,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:30:56,949 INFO L158 Benchmark]: Toolchain (without parser) took 2602.43ms. Allocated memory is still 174.1MB. Free memory was 131.9MB in the beginning and 76.9MB in the end (delta: 55.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-09 04:30:56,949 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:56,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.37ms. Allocated memory is still 174.1MB. Free memory was 131.4MB in the beginning and 116.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 04:30:56,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.00ms. Allocated memory is still 174.1MB. Free memory was 116.7MB in the beginning and 113.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:30:56,951 INFO L158 Benchmark]: Boogie Preprocessor took 42.80ms. Allocated memory is still 174.1MB. Free memory was 113.6MB in the beginning and 112.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:30:56,952 INFO L158 Benchmark]: RCFGBuilder took 876.09ms. Allocated memory is still 174.1MB. Free memory was 112.0MB in the beginning and 115.7MB in the end (delta: -3.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-11-09 04:30:56,953 INFO L158 Benchmark]: TraceAbstraction took 1183.35ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 76.9MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 04:30:56,953 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 174.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:56,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.37ms. Allocated memory is still 174.1MB. Free memory was 131.4MB in the beginning and 116.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.00ms. Allocated memory is still 174.1MB. Free memory was 116.7MB in the beginning and 113.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.80ms. Allocated memory is still 174.1MB. Free memory was 113.6MB in the beginning and 112.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 876.09ms. Allocated memory is still 174.1MB. Free memory was 112.0MB in the beginning and 115.7MB in the end (delta: -3.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1183.35ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 76.9MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 174.1MB. Free memory is still 76.9MB. 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 bitwiseOr at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 25; [L25] unsigned char var_1_4 = 4; [L26] signed long int var_1_8 = 127; [L27] signed long int var_1_10 = 0; [L28] signed long int var_1_11 = 128; [L29] signed long int var_1_12 = 24; [L30] signed short int var_1_14 = -128; [L31] signed char var_1_15 = 64; [L32] signed char var_1_16 = 5; [L33] signed long int var_1_17 = 1; [L34] unsigned short int last_1_var_1_1 = 128; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L88] last_1_var_1_1 = var_1_1 [L98] RET updateLastVariables() [L99] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_3=25, var_1_4=4, var_1_8=127] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_3=25, var_1_4=4, var_1_8=127] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=25, var_1_4=4, var_1_8=127] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=25, var_1_4=4, var_1_8=127] [L70] var_1_3 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_4=4, var_1_8=127] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_4=4, var_1_8=127] [L72] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=4, var_1_8=127] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=4, var_1_8=127] [L73] var_1_4 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_8=127] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_8=127] [L75] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_8=127] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_8=127] [L76] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=0, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L77] var_1_10 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L79] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=128, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L80] var_1_11 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L82] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=5, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L83] var_1_16 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=126, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=126, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L85] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=126, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=-128, var_1_15=64, var_1_16=126, var_1_17=1, var_1_1=128, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=127] [L99] RET updateVariables() [L100] CALL step() [L38] var_1_14 = 200 [L39] var_1_15 = var_1_16 [L40] var_1_17 = var_1_10 [L41] signed long int stepLocal_0 = var_1_3 / var_1_4; [L42] COND TRUE \read(var_1_2) [L43] var_1_1 = (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) [L51] signed long int stepLocal_2 = var_1_3 + var_1_1; [L52] EXPR var_1_14 ^ var_1_15 [L52] signed long int stepLocal_1 = var_1_14 ^ var_1_15; [L53] COND TRUE var_1_15 <= stepLocal_2 [L54] COND FALSE !(var_1_1 == stepLocal_1) [L57] var_1_8 = var_1_11 [L62] COND FALSE !(var_1_15 > var_1_15) [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR (var_1_2 ? (var_1_1 == ((unsigned short int) (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) : (((var_1_3 / var_1_4) >= (((((last_1_var_1_1 * var_1_15)) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * var_1_15)) : ((~ last_1_var_1_1))))) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) var_1_3)))) && ((var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((signed long int) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((signed long int) var_1_11))) : (var_1_8 == ((signed long int) var_1_10))) [L91] EXPR (var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((signed long int) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((signed long int) var_1_11))) : (var_1_8 == ((signed long int) var_1_10)) [L91] EXPR var_1_14 ^ var_1_15 [L91] EXPR (var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((signed long int) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((signed long int) var_1_11))) : (var_1_8 == ((signed long int) var_1_10)) [L91] EXPR (var_1_2 ? (var_1_1 == ((unsigned short int) (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) : (((var_1_3 / var_1_4) >= (((((last_1_var_1_1 * var_1_15)) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * var_1_15)) : ((~ last_1_var_1_1))))) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) var_1_3)))) && ((var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((signed long int) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((signed long int) var_1_11))) : (var_1_8 == ((signed long int) var_1_10))) [L91-L92] return (((((var_1_2 ? (var_1_1 == ((unsigned short int) (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) < 0 ) ? -((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) : ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))))) : (((var_1_3 / var_1_4) >= (((((last_1_var_1_1 * var_1_15)) < ((~ last_1_var_1_1))) ? ((last_1_var_1_1 * var_1_15)) : ((~ last_1_var_1_1))))) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) var_1_3)))) && ((var_1_15 <= (var_1_3 + var_1_1)) ? ((var_1_1 == (var_1_14 ^ var_1_15)) ? (var_1_8 == ((signed long int) (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) + var_1_11))) : (var_1_8 == ((signed long int) var_1_11))) : (var_1_8 == ((signed long int) var_1_10)))) && ((var_1_15 > var_1_15) ? (var_1_12 == ((signed long int) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))) : 1)) && (var_1_14 == ((signed short int) 200))) && (var_1_15 == ((signed char) var_1_16))) && (var_1_17 == ((signed long int) var_1_10)) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=200, var_1_15=126, var_1_16=126, var_1_17=-1, var_1_1=125, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=128, var_1_10=-1, var_1_11=-1, var_1_12=24, var_1_14=200, var_1_15=126, var_1_16=126, var_1_17=-1, var_1_1=125, var_1_2=1, var_1_3=-65411, var_1_4=127, var_1_8=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 13, 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=28occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 04:30:57,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje --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 9f9164e1a34b1b6bc15e6d6c10636cd9af69b42bd441271521d7273f80c38ea6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:30:59,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:30:59,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:30:59,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:30:59,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:30:59,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:30:59,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:30:59,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:30:59,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:30:59,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:30:59,989 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:30:59,989 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:30:59,990 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:30:59,990 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:30:59,991 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:30:59,993 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:30:59,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:30:59,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:30:59,999 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:31:00,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:31:00,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:31:00,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:31:00,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:31:00,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:31:00,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:31:00,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:31:00,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:31:00,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:31:00,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:31:00,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:31:00,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:31:00,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:31:00,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:31:00,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:31:00,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:31:00,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:31:00,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:31:00,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:31:00,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:31:00,011 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:31:00,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:31:00,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:31:00,014 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:31:00,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f9164e1a34b1b6bc15e6d6c10636cd9af69b42bd441271521d7273f80c38ea6 [2024-11-09 04:31:00,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:31:00,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:31:00,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:31:00,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:31:00,493 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:31:00,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i Unable to find full path for "g++" [2024-11-09 04:31:02,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:31:03,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:31:03,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i [2024-11-09 04:31:03,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/data/ad019fae0/60cb3fc055b04527b8da773d9dccd37d/FLAG9235dca21 [2024-11-09 04:31:03,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/data/ad019fae0/60cb3fc055b04527b8da773d9dccd37d [2024-11-09 04:31:03,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:31:03,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:31:03,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:31:03,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:31:03,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:31:03,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b731ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03, skipping insertion in model container [2024-11-09 04:31:03,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:31:03,607 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_3e4aa06f-532b-48d0-8b0a-54ebd807a486/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i[916,929] [2024-11-09 04:31:03,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:31:03,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:31:03,714 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_3e4aa06f-532b-48d0-8b0a-54ebd807a486/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-83.i[916,929] [2024-11-09 04:31:03,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:31:03,793 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:31:03,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03 WrapperNode [2024-11-09 04:31:03,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:31:03,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:31:03,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:31:03,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:31:03,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,851 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-11-09 04:31:03,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:31:03,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:31:03,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:31:03,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:31:03,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:31:03,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:31:03,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:31:03,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:31:03,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (1/1) ... [2024-11-09 04:31:03,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:31:03,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:31:04,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:31:04,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:31:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:31:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:31:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:31:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:31:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:31:04,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:31:04,166 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:31:04,168 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:31:04,495 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 04:31:04,495 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:31:04,508 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:31:04,509 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:31:04,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:31:04 BoogieIcfgContainer [2024-11-09 04:31:04,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:31:04,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:31:04,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:31:04,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:31:04,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:31:03" (1/3) ... [2024-11-09 04:31:04,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1e48f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:31:04, skipping insertion in model container [2024-11-09 04:31:04,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:31:03" (2/3) ... [2024-11-09 04:31:04,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1e48f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:31:04, skipping insertion in model container [2024-11-09 04:31:04,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:31:04" (3/3) ... [2024-11-09 04:31:04,518 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-83.i [2024-11-09 04:31:04,536 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:31:04,537 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:31:04,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:31:04,611 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;@1a7afb06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:31:04,612 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:31:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 04:31:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 04:31:04,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:04,631 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:31:04,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:04,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:04,642 INFO L85 PathProgramCache]: Analyzing trace with hash 989013317, now seen corresponding path program 1 times [2024-11-09 04:31:04,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:04,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392191344] [2024-11-09 04:31:04,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:04,662 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 [2024-11-09 04:31:04,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:04,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:31:04,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:31:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:04,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:31:04,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:31:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 04:31:04,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:31:04,968 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:31:04,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392191344] [2024-11-09 04:31:04,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392191344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:31:04,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:31:04,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:31:04,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857900244] [2024-11-09 04:31:04,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:31:04,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:31:04,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:31:05,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:31:05,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:31:05,009 INFO L87 Difference]: Start difference. First operand has 44 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:31:05,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:31:05,035 INFO L93 Difference]: Finished difference Result 81 states and 135 transitions. [2024-11-09 04:31:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:31:05,038 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2024-11-09 04:31:05,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:31:05,044 INFO L225 Difference]: With dead ends: 81 [2024-11-09 04:31:05,045 INFO L226 Difference]: Without dead ends: 40 [2024-11-09 04:31:05,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:31:05,052 INFO L432 NwaCegarLoop]: 56 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, 56 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 [2024-11-09 04:31:05,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:31:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-09 04:31:05,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-09 04:31:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 04:31:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2024-11-09 04:31:05,099 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 84 [2024-11-09 04:31:05,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:31:05,100 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2024-11-09 04:31:05,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:31:05,100 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2024-11-09 04:31:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 04:31:05,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:31:05,105 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:31:05,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:31:05,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:31:05,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:31:05,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:31:05,310 INFO L85 PathProgramCache]: Analyzing trace with hash 684148425, now seen corresponding path program 1 times [2024-11-09 04:31:05,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:31:05,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555613451] [2024-11-09 04:31:05,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:31:05,311 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 [2024-11-09 04:31:05,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:31:05,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:31:05,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4aa06f-532b-48d0-8b0a-54ebd807a486/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:31:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:31:05,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 04:31:05,493 INFO L278 TraceCheckSpWp]: Computing forward predicates...