./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.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_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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_21be3e95-9426-4049-91c9-35ef7547bf51/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 7acdb65aab585b919fb80ae88d1aab4c4c01ac4e7e41930ddf635f8033c4102c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:15:21,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:15:22,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:15:22,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:15:22,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:15:22,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:15:22,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:15:22,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:15:22,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:15:22,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:15:22,150 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:15:22,152 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:15:22,152 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:15:22,155 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:15:22,156 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:15:22,156 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:15:22,157 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:15:22,157 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:15:22,161 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:15:22,162 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:15:22,162 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:15:22,163 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:15:22,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:15:22,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:15:22,165 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:15:22,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:15:22,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:15:22,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:15:22,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:15:22,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:15:22,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:15:22,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:15:22,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:15:22,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:15:22,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:15:22,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:15:22,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:15:22,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:15:22,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:22,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:15:22,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:15:22,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:15:22,177 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:15:22,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:15:22,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:15:22,178 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:15:22,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:15:22,179 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_21be3e95-9426-4049-91c9-35ef7547bf51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7acdb65aab585b919fb80ae88d1aab4c4c01ac4e7e41930ddf635f8033c4102c [2024-11-09 06:15:22,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:15:22,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:15:22,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:15:22,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:15:22,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:15:22,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i Unable to find full path for "g++" [2024-11-09 06:15:25,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:15:25,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:15:25,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-09 06:15:25,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/data/70dc7bfb6/8d5acb2d71d04157aeccc8805497f603/FLAG58e3c6c53 [2024-11-09 06:15:25,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/data/70dc7bfb6/8d5acb2d71d04157aeccc8805497f603 [2024-11-09 06:15:25,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:15:25,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:15:25,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:25,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:15:25,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:15:25,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:25" (1/1) ... [2024-11-09 06:15:25,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c1a086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:25, skipping insertion in model container [2024-11-09 06:15:25,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:25" (1/1) ... [2024-11-09 06:15:25,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:15:25,874 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_21be3e95-9426-4049-91c9-35ef7547bf51/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i[916,929] [2024-11-09 06:15:25,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:25,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:15:25,977 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_21be3e95-9426-4049-91c9-35ef7547bf51/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i[916,929] [2024-11-09 06:15:26,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:26,030 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:15:26,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26 WrapperNode [2024-11-09 06:15:26,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:26,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:26,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:15:26,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:15:26,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,101 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-09 06:15:26,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:26,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:15:26,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:15:26,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:15:26,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:15:26,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:15:26,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:15:26,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:15:26,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:26,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:15:26,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:15:26,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:15:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:15:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:15:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:15:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:15:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:15:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:15:26,363 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:15:26,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:15:26,785 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:15:26,785 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:15:26,929 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:15:26,931 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:15:26,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:26 BoogieIcfgContainer [2024-11-09 06:15:26,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:15:26,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:15:26,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:15:26,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:15:26,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:15:25" (1/3) ... [2024-11-09 06:15:26,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad3c163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:26, skipping insertion in model container [2024-11-09 06:15:26,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (2/3) ... [2024-11-09 06:15:26,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad3c163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:26, skipping insertion in model container [2024-11-09 06:15:26,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:26" (3/3) ... [2024-11-09 06:15:26,947 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-09 06:15:26,972 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:15:26,973 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:15:27,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:15:27,055 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;@4d5b7928, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:15:27,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:15:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:15:27,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 06:15:27,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:27,074 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:27,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:15:27,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:27,082 INFO L85 PathProgramCache]: Analyzing trace with hash -874865534, now seen corresponding path program 1 times [2024-11-09 06:15:27,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:15:27,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292379325] [2024-11-09 06:15:27,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:27,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:15:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:15:27,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1104015437] [2024-11-09 06:15:27,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:27,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:15:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:15:27,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:15:27,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:15:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:15:28,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:15:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:15:28,600 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:15:28,604 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:15:28,606 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:15:28,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:15:28,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:15:28,812 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:15:28,871 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:15:28,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:15:28 BoogieIcfgContainer [2024-11-09 06:15:28,874 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:15:28,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:15:28,875 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:15:28,875 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:15:28,876 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:26" (3/4) ... [2024-11-09 06:15:28,879 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:15:28,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:15:28,882 INFO L158 Benchmark]: Toolchain (without parser) took 3267.35ms. Allocated memory is still 134.2MB. Free memory was 98.9MB in the beginning and 53.5MB in the end (delta: 45.4MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-09 06:15:28,882 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:15:28,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.37ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 83.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:15:28,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.01ms. Allocated memory is still 134.2MB. Free memory was 83.9MB in the beginning and 80.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:15:28,885 INFO L158 Benchmark]: Boogie Preprocessor took 35.64ms. Allocated memory is still 134.2MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:15:28,885 INFO L158 Benchmark]: RCFGBuilder took 792.89ms. Allocated memory is still 134.2MB. Free memory was 78.8MB in the beginning and 104.0MB in the end (delta: -25.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-11-09 06:15:28,886 INFO L158 Benchmark]: TraceAbstraction took 1940.34ms. Allocated memory is still 134.2MB. Free memory was 103.7MB in the beginning and 54.2MB in the end (delta: 49.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-09 06:15:28,887 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 134.2MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:15:28,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.37ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 83.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.01ms. Allocated memory is still 134.2MB. Free memory was 83.9MB in the beginning and 80.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.64ms. Allocated memory is still 134.2MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 792.89ms. Allocated memory is still 134.2MB. Free memory was 78.8MB in the beginning and 104.0MB in the end (delta: -25.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1940.34ms. Allocated memory is still 134.2MB. Free memory was 103.7MB in the beginning and 54.2MB in the end (delta: 49.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 134.2MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] float var_1_13 = 99.6; [L30] float var_1_14 = 127.5; [L31] float var_1_15 = 16.5; [L32] float var_1_16 = 256.5; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L87] last_1_var_1_12 = var_1_12 [L88] last_1_var_1_18 = var_1_18 [L98] RET updateLastVariables() [L99] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L74] var_1_14 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L76] var_1_15 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L78] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L79] var_1_16 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L82] var_1_17 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=10, var_1_17=-6442450945, var_1_18=0, var_1_1=5, var_1_3=1, var_1_7=4, var_1_8=4] [L99] RET updateVariables() [L100] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; [L55] COND TRUE stepLocal_0 >= var_1_7 [L56] COND FALSE !(stepLocal_1 > var_1_7) [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=500, var_1_17=-6442450945, var_1_18=523, var_1_1=5, var_1_3=1, var_1_7=11, var_1_8=11] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=256, var_1_11=523, var_1_12=500, var_1_17=-6442450945, var_1_18=523, var_1_1=5, var_1_3=1, var_1_7=11, var_1_8=11] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 15, 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=32occurred 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 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 06:15:28,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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_21be3e95-9426-4049-91c9-35ef7547bf51/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 7acdb65aab585b919fb80ae88d1aab4c4c01ac4e7e41930ddf635f8033c4102c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:15:31,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:15:32,013 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:15:32,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:15:32,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:15:32,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:15:32,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:15:32,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:15:32,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:15:32,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:15:32,060 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:15:32,060 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:15:32,061 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:15:32,062 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:15:32,062 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:15:32,063 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:15:32,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:15:32,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:15:32,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:15:32,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:15:32,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:15:32,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:15:32,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:15:32,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:15:32,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:15:32,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:15:32,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:15:32,070 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:15:32,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:15:32,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:15:32,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:15:32,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:15:32,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:15:32,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:15:32,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:15:32,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:32,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:15:32,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:15:32,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:15:32,076 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:15:32,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:15:32,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:15:32,077 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:15:32,078 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_21be3e95-9426-4049-91c9-35ef7547bf51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7acdb65aab585b919fb80ae88d1aab4c4c01ac4e7e41930ddf635f8033c4102c [2024-11-09 06:15:32,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:15:32,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:15:32,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:15:32,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:15:32,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:15:32,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i Unable to find full path for "g++" [2024-11-09 06:15:35,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:15:35,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:15:35,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-09 06:15:35,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/data/903fb9228/2a16c86e406b49e48c6d59c18ee7c29b/FLAG5fdc6c4d0 [2024-11-09 06:15:35,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/data/903fb9228/2a16c86e406b49e48c6d59c18ee7c29b [2024-11-09 06:15:35,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:15:35,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:15:35,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:35,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:15:35,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:15:35,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:35" (1/1) ... [2024-11-09 06:15:35,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ff8a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:35, skipping insertion in model container [2024-11-09 06:15:35,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:35" (1/1) ... [2024-11-09 06:15:35,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:15:35,938 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_21be3e95-9426-4049-91c9-35ef7547bf51/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i[916,929] [2024-11-09 06:15:36,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:36,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:15:36,069 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_21be3e95-9426-4049-91c9-35ef7547bf51/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i[916,929] [2024-11-09 06:15:36,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:36,109 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:15:36,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36 WrapperNode [2024-11-09 06:15:36,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:36,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:36,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:15:36,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:15:36,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,173 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-09 06:15:36,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:36,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:15:36,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:15:36,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:15:36,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:15:36,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:15:36,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:15:36,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:15:36,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (1/1) ... [2024-11-09 06:15:36,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:36,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:15:36,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:15:36,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:15:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:15:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:15:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:15:36,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:15:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:15:36,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:15:36,452 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:15:36,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:15:43,047 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:15:43,047 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:15:43,070 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:15:43,070 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:15:43,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:43 BoogieIcfgContainer [2024-11-09 06:15:43,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:15:43,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:15:43,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:15:43,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:15:43,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:15:35" (1/3) ... [2024-11-09 06:15:43,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd42b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:43, skipping insertion in model container [2024-11-09 06:15:43,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:36" (2/3) ... [2024-11-09 06:15:43,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd42b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:43, skipping insertion in model container [2024-11-09 06:15:43,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:43" (3/3) ... [2024-11-09 06:15:43,085 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-4.i [2024-11-09 06:15:43,107 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:15:43,107 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:15:43,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:15:43,206 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;@65bdbc40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:15:43,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:15:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:15:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 06:15:43,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:43,225 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:43,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:15:43,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1117024434, now seen corresponding path program 1 times [2024-11-09 06:15:43,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:15:43,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635788378] [2024-11-09 06:15:43,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:43,247 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 06:15:43,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:15:43,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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 06:15:43,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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 06:15:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:15:43,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:15:43,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:15:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-09 06:15:43,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:15:43,980 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:15:43,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635788378] [2024-11-09 06:15:43,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635788378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:15:43,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:15:43,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:15:43,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564238535] [2024-11-09 06:15:43,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:15:43,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:15:43,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:15:44,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:15:44,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:15:44,024 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 06:15:44,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:15:44,058 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2024-11-09 06:15:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:15:44,061 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), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2024-11-09 06:15:44,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:15:44,072 INFO L225 Difference]: With dead ends: 87 [2024-11-09 06:15:44,072 INFO L226 Difference]: Without dead ends: 43 [2024-11-09 06:15:44,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 06:15:44,082 INFO L432 NwaCegarLoop]: 61 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, 61 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 06:15:44,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:15:44,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-09 06:15:44,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-09 06:15:44,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:15:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-09 06:15:44,147 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2024-11-09 06:15:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:15:44,148 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-09 06:15:44,148 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), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 06:15:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-09 06:15:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 06:15:44,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:44,154 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:44,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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 06:15:44,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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 06:15:44,355 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:15:44,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:44,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1471795668, now seen corresponding path program 1 times [2024-11-09 06:15:44,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:15:44,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589783265] [2024-11-09 06:15:44,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:44,359 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 06:15:44,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:15:44,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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 06:15:44,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21be3e95-9426-4049-91c9-35ef7547bf51/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 06:15:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:15:45,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 06:15:45,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:40,160 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse3 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0)))) (.cse1 (fp.lt c_~var_1_15~0 c_~var_1_16~0))) (and (= (bvadd (bvneg .cse0) c_~var_1_17~0) c_~var_1_12~0) (or .cse1 (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_16~0)))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse4 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse5 (bvsgt .cse0 .cse4))) (or (and (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (not .cse5)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse5)))) (not (= (_ bv0 32) .cse6)) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)))) (or (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_15~0))) (not .cse1)))) is different from false [2024-11-09 06:16:42,208 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse3 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0)))) (.cse1 (fp.lt c_~var_1_15~0 c_~var_1_16~0))) (and (= (bvadd (bvneg .cse0) c_~var_1_17~0) c_~var_1_12~0) (or .cse1 (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_16~0)))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse4 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse5 (bvsgt .cse0 .cse4))) (or (and (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (not .cse5)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse5)))) (not (= (_ bv0 32) .cse6)) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)))) (or (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_15~0))) (not .cse1)))) is different from true [2024-11-09 06:17:47,429 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse3 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0)))) (.cse1 (fp.lt c_~var_1_15~0 c_~var_1_16~0))) (and (= (bvadd (bvneg .cse0) c_~var_1_17~0) c_~var_1_12~0) (or .cse1 (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_16~0)))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse4 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse5 (bvsgt .cse0 .cse4))) (or (and (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (not .cse5)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse5)))) (not (= (_ bv0 32) .cse6)) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse6) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (or (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_15~0))) (not .cse1)))) is different from false [2024-11-09 06:17:49,480 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse3 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0)))) (.cse1 (fp.lt c_~var_1_15~0 c_~var_1_16~0))) (and (= (bvadd (bvneg .cse0) c_~var_1_17~0) c_~var_1_12~0) (or .cse1 (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_16~0)))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse4 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse5 (bvsgt .cse0 .cse4))) (or (and (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (not .cse5)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse5)))) (not (= (_ bv0 32) .cse6)) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse6) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (or (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_15~0))) (not .cse1)))) is different from true [2024-11-09 06:18:53,063 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse3 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0)))) (.cse1 (fp.lt c_~var_1_15~0 c_~var_1_16~0))) (and (= (bvadd (bvneg .cse0) c_~var_1_17~0) c_~var_1_12~0) (or .cse1 (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_16~0)))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse4 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse5 (bvsgt .cse0 .cse4))) (or (and (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (not .cse5)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse5)))) (not (= (_ bv0 32) .cse6)) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse7 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse7 .cse6) .cse7))) (or (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_15~0))) (not .cse1)))) is different from false [2024-11-09 06:18:55,120 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse3 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0)))) (.cse1 (fp.lt c_~var_1_15~0 c_~var_1_16~0))) (and (= (bvadd (bvneg .cse0) c_~var_1_17~0) c_~var_1_12~0) (or .cse1 (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_16~0)))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse4 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse5 (bvsgt .cse0 .cse4))) (or (and (= ((_ extract 7 0) .cse4) c_~var_1_8~0) (not .cse5)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse5)))) (not (= (_ bv0 32) .cse6)) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse7 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse7 .cse6) .cse7))) (or (not (fp.gt .cse2 (fp.div c_currentRoundingMode .cse3 c_~var_1_15~0))) (not .cse1)))) is different from true