./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.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_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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_48862cd3-6982-440d-9fbd-e2c6e81345e5/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 97d791cbaec134197a8e3d1f03f35ec97aa0c52c94b35e8b29d7fd873617c9b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:05:07,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:05:07,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:05:07,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:05:07,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:05:07,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:05:07,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:05:07,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:05:07,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:05:07,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:05:07,971 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:05:07,971 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:05:07,972 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:05:07,972 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:05:07,974 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:05:07,974 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:05:07,975 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:05:07,975 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:05:07,976 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:05:07,976 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:05:07,979 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:05:07,980 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:05:07,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:05:07,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:05:07,983 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:05:07,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:05:07,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:05:07,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:05:07,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:05:07,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:05:07,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:05:07,988 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:05:07,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:05:07,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:05:07,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:05:07,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:05:07,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:05:07,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:05:07,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:07,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:05:07,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:05:07,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:05:07,992 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:05:07,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:05:07,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:05:07,994 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:05:07,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:05:07,995 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_48862cd3-6982-440d-9fbd-e2c6e81345e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97d791cbaec134197a8e3d1f03f35ec97aa0c52c94b35e8b29d7fd873617c9b5 [2024-11-09 06:05:08,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:05:08,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:05:08,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:05:08,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:05:08,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:05:08,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i Unable to find full path for "g++" [2024-11-09 06:05:10,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:05:10,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:05:10,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i [2024-11-09 06:05:10,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/data/e7cecca23/7f074e1498bc4572858a4c4ff3421d53/FLAGad74df54a [2024-11-09 06:05:10,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/data/e7cecca23/7f074e1498bc4572858a4c4ff3421d53 [2024-11-09 06:05:11,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:05:11,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:05:11,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:05:11,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:05:11,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:05:11,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b679009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11, skipping insertion in model container [2024-11-09 06:05:11,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:05:11,264 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_48862cd3-6982-440d-9fbd-e2c6e81345e5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i[916,929] [2024-11-09 06:05:11,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:05:11,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:05:11,347 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_48862cd3-6982-440d-9fbd-e2c6e81345e5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i[916,929] [2024-11-09 06:05:11,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:05:11,399 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:05:11,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11 WrapperNode [2024-11-09 06:05:11,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:05:11,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:05:11,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:05:11,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:05:11,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,467 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-11-09 06:05:11,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:05:11,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:05:11,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:05:11,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:05:11,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:05:11,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:05:11,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:05:11,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:05:11,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (1/1) ... [2024-11-09 06:05:11,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:11,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:05:11,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:05:11,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:05:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:05:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:05:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:05:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:05:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:05:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:05:11,754 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:05:11,756 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:05:12,265 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 06:05:12,265 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:05:12,534 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:05:12,534 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:05:12,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:12 BoogieIcfgContainer [2024-11-09 06:05:12,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:05:12,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:05:12,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:05:12,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:05:12,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:05:11" (1/3) ... [2024-11-09 06:05:12,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa44e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:05:12, skipping insertion in model container [2024-11-09 06:05:12,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:11" (2/3) ... [2024-11-09 06:05:12,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa44e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:05:12, skipping insertion in model container [2024-11-09 06:05:12,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:12" (3/3) ... [2024-11-09 06:05:12,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-56.i [2024-11-09 06:05:12,563 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:05:12,563 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:05:12,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:05:12,636 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;@37a9dd79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:05:12,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:05:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 06:05:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 06:05:12,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:12,653 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:12,654 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:12,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:12,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1825654685, now seen corresponding path program 1 times [2024-11-09 06:05:12,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:05:12,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15050379] [2024-11-09 06:05:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:05:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:05:13,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:05:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:05:13,661 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:05:13,663 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:05:13,664 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:05:13,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:05:13,672 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:05:13,761 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:05:13,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:05:13 BoogieIcfgContainer [2024-11-09 06:05:13,765 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:05:13,765 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:05:13,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:05:13,765 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:05:13,766 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:12" (3/4) ... [2024-11-09 06:05:13,769 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:05:13,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:05:13,771 INFO L158 Benchmark]: Toolchain (without parser) took 2766.37ms. Allocated memory is still 151.0MB. Free memory was 116.4MB in the beginning and 94.9MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 06:05:13,772 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:05:13,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.54ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 101.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:05:13,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.55ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 97.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:05:13,775 INFO L158 Benchmark]: Boogie Preprocessor took 75.40ms. Allocated memory is still 151.0MB. Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:05:13,776 INFO L158 Benchmark]: RCFGBuilder took 989.54ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 107.2MB in the end (delta: -11.8MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-09 06:05:13,776 INFO L158 Benchmark]: TraceAbstraction took 1228.10ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 95.8MB in the end (delta: 10.7MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-11-09 06:05:13,777 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 151.0MB. Free memory was 95.8MB in the beginning and 94.9MB in the end (delta: 903.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:05:13,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.54ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 101.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.55ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 97.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.40ms. Allocated memory is still 151.0MB. Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 989.54ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 107.2MB in the end (delta: -11.8MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1228.10ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 95.8MB in the end (delta: 10.7MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 151.0MB. Free memory was 95.8MB in the beginning and 94.9MB in the end (delta: 903.9kB). Peak memory consumption was 2.1MB. 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 shiftRight at line 40, overapproximation of shiftLeft at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 0; [L24] unsigned char var_1_5 = 128; [L25] unsigned char var_1_6 = 16; [L26] unsigned char var_1_7 = 2; [L27] unsigned char var_1_8 = 8; [L28] signed long int var_1_9 = 10; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] signed long int var_1_13 = 99; [L32] unsigned char var_1_14 = 64; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 1; [L36] unsigned char last_1_var_1_14 = 64; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L104] last_1_var_1_14 = var_1_14 [L114] RET updateLastVariables() [L115] CALL updateVariables() [L72] var_1_3 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=10] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=10] [L74] CALL assume_abort_if_not(var_1_3 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_3 <= 16) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=10] [L75] var_1_5 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=10] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=10] [L77] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=10] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=10] [L78] var_1_6 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_7=2, var_1_8=8, var_1_9=10] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_7=2, var_1_8=8, var_1_9=10] [L80] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=2, var_1_8=8, var_1_9=10] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=2, var_1_8=8, var_1_9=10] [L81] var_1_7 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_8=8, var_1_9=10] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_8=8, var_1_9=10] [L83] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=8, var_1_9=10] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=8, var_1_9=10] [L84] var_1_8 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_9=10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_9=10] [L86] CALL assume_abort_if_not(var_1_8 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_8 <= 64) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L87] var_1_10 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L89] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L90] var_1_12 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L92] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=99, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L93] var_1_13 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L95] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L96] var_1_17 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L99] var_1_18 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L115] RET updateVariables() [L116] CALL step() [L40] EXPR last_1_var_1_14 >> var_1_3 [L40] COND FALSE !((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) [L43] var_1_1 = (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7)))) [L45] COND FALSE !((var_1_8 + var_1_1) >= var_1_7) [L48] COND TRUE var_1_12 || var_1_10 [L49] EXPR var_1_8 << var_1_3 [L49] COND TRUE var_1_1 >= (var_1_8 << var_1_3) [L50] COND TRUE var_1_6 > var_1_7 [L51] var_1_16 = var_1_17 [L61] unsigned char stepLocal_1 = var_1_14; [L62] unsigned char stepLocal_0 = var_1_16; [L63] COND FALSE !(\read(var_1_16)) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR last_1_var_1_14 >> var_1_3 [L107] EXPR (((((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) ? (var_1_1 == ((unsigned char) ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))))) : (var_1_1 == ((unsigned char) (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7))))))) && (var_1_16 ? ((var_1_16 || var_1_16) ? ((var_1_14 > var_1_6) ? (var_1_9 == ((signed long int) var_1_13)) : 1) : 1) : 1)) && (((var_1_8 + var_1_1) >= var_1_7) ? (var_1_14 == ((unsigned char) var_1_6)) : 1)) && ((var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17))) [L107] EXPR (var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17)) [L107] EXPR var_1_8 << var_1_3 [L107] EXPR (var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17)) [L107] EXPR (((((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) ? (var_1_1 == ((unsigned char) ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))))) : (var_1_1 == ((unsigned char) (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7))))))) && (var_1_16 ? ((var_1_16 || var_1_16) ? ((var_1_14 > var_1_6) ? (var_1_9 == ((signed long int) var_1_13)) : 1) : 1) : 1)) && (((var_1_8 + var_1_1) >= var_1_7) ? (var_1_14 == ((unsigned char) var_1_6)) : 1)) && ((var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17))) [L107-L108] return (((((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) ? (var_1_1 == ((unsigned char) ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))))) : (var_1_1 == ((unsigned char) (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7))))))) && (var_1_16 ? ((var_1_16 || var_1_16) ? ((var_1_14 > var_1_6) ? (var_1_9 == ((signed long int) var_1_13)) : 1) : 1) : 1)) && (((var_1_8 + var_1_1) >= var_1_7) ? (var_1_14 == ((unsigned char) var_1_6)) : 1)) && ((var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17))) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=64, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=10, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=64, var_1_3=2, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=61, var_1_9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 20, 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=39occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:05:13,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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_48862cd3-6982-440d-9fbd-e2c6e81345e5/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 97d791cbaec134197a8e3d1f03f35ec97aa0c52c94b35e8b29d7fd873617c9b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:05:16,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:05:16,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:05:16,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:05:16,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:05:16,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:05:16,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:05:16,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:05:16,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:05:16,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:05:16,458 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:05:16,458 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:05:16,459 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:05:16,459 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:05:16,459 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:05:16,460 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:05:16,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:05:16,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:05:16,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:05:16,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:05:16,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:05:16,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:05:16,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:05:16,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:05:16,464 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:05:16,465 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:05:16,465 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:05:16,465 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:05:16,466 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:05:16,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:05:16,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:05:16,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:05:16,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:05:16,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:05:16,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:05:16,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:16,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:05:16,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:05:16,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:05:16,470 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:05:16,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:05:16,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:05:16,474 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:05:16,475 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_48862cd3-6982-440d-9fbd-e2c6e81345e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97d791cbaec134197a8e3d1f03f35ec97aa0c52c94b35e8b29d7fd873617c9b5 [2024-11-09 06:05:16,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:05:16,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:05:16,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:05:16,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:05:16,916 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:05:16,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i Unable to find full path for "g++" [2024-11-09 06:05:19,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:05:19,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:05:19,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i [2024-11-09 06:05:19,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/data/6d9bbaee7/9baacf0273b744a88045818e110f4abb/FLAG7a245285a [2024-11-09 06:05:19,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/data/6d9bbaee7/9baacf0273b744a88045818e110f4abb [2024-11-09 06:05:19,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:05:19,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:05:19,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:05:19,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:05:19,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:05:19,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7587f523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19, skipping insertion in model container [2024-11-09 06:05:19,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:05:19,575 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_48862cd3-6982-440d-9fbd-e2c6e81345e5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i[916,929] [2024-11-09 06:05:19,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:05:19,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:05:19,703 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_48862cd3-6982-440d-9fbd-e2c6e81345e5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-56.i[916,929] [2024-11-09 06:05:19,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:05:19,762 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:05:19,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19 WrapperNode [2024-11-09 06:05:19,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:05:19,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:05:19,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:05:19,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:05:19,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,844 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-09 06:05:19,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:05:19,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:05:19,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:05:19,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:05:19,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:05:19,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:05:19,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:05:19,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:05:19,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (1/1) ... [2024-11-09 06:05:19,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:19,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:05:19,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:05:20,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:05:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:05:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:05:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:05:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:05:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:05:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:05:20,177 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:05:20,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:05:20,473 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 06:05:20,473 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:05:20,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:05:20,493 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:05:20,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:20 BoogieIcfgContainer [2024-11-09 06:05:20,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:05:20,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:05:20,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:05:20,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:05:20,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:05:19" (1/3) ... [2024-11-09 06:05:20,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43318aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:05:20, skipping insertion in model container [2024-11-09 06:05:20,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:05:19" (2/3) ... [2024-11-09 06:05:20,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43318aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:05:20, skipping insertion in model container [2024-11-09 06:05:20,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:05:20" (3/3) ... [2024-11-09 06:05:20,507 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-56.i [2024-11-09 06:05:20,528 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:05:20,528 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:05:20,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:05:20,606 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;@6fc9962f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:05:20,606 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:05:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 06:05:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 06:05:20,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:20,625 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:20,626 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:20,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:20,630 INFO L85 PathProgramCache]: Analyzing trace with hash -375432890, now seen corresponding path program 1 times [2024-11-09 06:05:20,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:05:20,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42643945] [2024-11-09 06:05:20,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:20,642 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 06:05:20,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:05:20,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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 06:05:20,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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 06:05:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:20,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:05:20,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:05:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-09 06:05:20,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:05:20,940 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:05:20,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42643945] [2024-11-09 06:05:20,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42643945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:05:20,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:05:20,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:05:20,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227780658] [2024-11-09 06:05:20,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:05:20,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:05:20,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:05:20,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:05:20,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:05:20,986 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 06:05:21,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:05:21,036 INFO L93 Difference]: Finished difference Result 109 states and 190 transitions. [2024-11-09 06:05:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:05:21,039 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-09 06:05:21,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:05:21,052 INFO L225 Difference]: With dead ends: 109 [2024-11-09 06:05:21,052 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 06:05:21,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 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 06:05:21,064 INFO L432 NwaCegarLoop]: 81 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, 81 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 06:05:21,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:05:21,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 06:05:21,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 06:05:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 06:05:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions. [2024-11-09 06:05:21,118 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 124 [2024-11-09 06:05:21,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:05:21,119 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 81 transitions. [2024-11-09 06:05:21,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 06:05:21,120 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2024-11-09 06:05:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 06:05:21,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:21,125 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:21,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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 06:05:21,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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 06:05:21,326 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:21,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:21,327 INFO L85 PathProgramCache]: Analyzing trace with hash -333778618, now seen corresponding path program 1 times [2024-11-09 06:05:21,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:05:21,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896381760] [2024-11-09 06:05:21,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:21,329 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 06:05:21,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:05:21,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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 06:05:21,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48862cd3-6982-440d-9fbd-e2c6e81345e5/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 06:05:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:21,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:05:21,547 INFO L278 TraceCheckSpWp]: Computing forward predicates...