./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 171a765531b95b232fbab2e745bfaf521ee849c63dff03ab59f51e1f7468f906 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:11:34,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:11:34,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:11:34,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:11:34,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:11:34,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:11:34,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:11:34,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:11:34,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:11:34,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:11:34,453 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:11:34,453 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:11:34,453 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:11:34,453 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:11:34,453 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:11:34,453 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:11:34,456 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:11:34,456 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:11:34,457 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:11:34,458 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:11:34,458 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:11:34,458 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:11:34,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:11:34,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:11:34,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:11:34,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:11:34,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:11:34,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:11:34,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:11:34,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:11:34,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:11:34,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:11:34,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:11:34,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:11:34,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:11:34,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:11:34,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:11:34,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:11:34,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:11:34,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:11:34,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:11:34,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:11:34,464 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:11:34,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:11:34,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:11:34,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:11:34,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:11:34,465 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 171a765531b95b232fbab2e745bfaf521ee849c63dff03ab59f51e1f7468f906 [2024-11-14 03:11:34,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:11:34,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:11:34,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:11:34,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:11:34,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:11:34,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i Unable to find full path for "g++" [2024-11-14 03:11:36,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:11:37,194 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:11:37,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i [2024-11-14 03:11:37,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/data/1bcfb4fa7/d1d0ea6411c9476ebc04346438fc52f7/FLAGedd9a2b52 [2024-11-14 03:11:37,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/data/1bcfb4fa7/d1d0ea6411c9476ebc04346438fc52f7 [2024-11-14 03:11:37,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:11:37,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:11:37,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:11:37,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:11:37,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:11:37,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39726726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37, skipping insertion in model container [2024-11-14 03:11:37,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:11:37,684 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_383857d4-575a-40cd-9061-db85ef1f9f9c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i[917,930] [2024-11-14 03:11:37,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:11:37,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:11:37,790 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_383857d4-575a-40cd-9061-db85ef1f9f9c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i[917,930] [2024-11-14 03:11:37,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:11:37,845 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:11:37,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37 WrapperNode [2024-11-14 03:11:37,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:11:37,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:11:37,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:11:37,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:11:37,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,910 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-14 03:11:37,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:11:37,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:11:37,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:11:37,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:11:37,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:11:37,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:11:37,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:11:37,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:11:37,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (1/1) ... [2024-11-14 03:11:37,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:11:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:11:37,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:11:38,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:11:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:11:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:11:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:11:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:11:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:11:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:11:38,142 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:11:38,144 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:11:38,631 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 03:11:38,631 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:11:38,888 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:11:38,889 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:11:38,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:11:38 BoogieIcfgContainer [2024-11-14 03:11:38,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:11:38,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:11:38,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:11:38,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:11:38,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:11:37" (1/3) ... [2024-11-14 03:11:38,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53cae8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:11:38, skipping insertion in model container [2024-11-14 03:11:38,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:37" (2/3) ... [2024-11-14 03:11:38,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53cae8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:11:38, skipping insertion in model container [2024-11-14 03:11:38,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:11:38" (3/3) ... [2024-11-14 03:11:38,905 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-48.i [2024-11-14 03:11:38,945 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:11:38,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-48.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:11:39,013 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:11:39,028 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;@362ecf1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:11:39,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:11:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 03:11:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 03:11:39,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:11:39,046 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:11:39,046 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:11:39,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:11:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1196687099, now seen corresponding path program 1 times [2024-11-14 03:11:39,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:11:39,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486185056] [2024-11-14 03:11:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:11:39,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:11:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:11:39,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:11:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:11:39,856 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:11:39,858 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:11:39,859 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:11:39,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:11:39,868 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:11:39,953 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:11:39,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:11:39 BoogieIcfgContainer [2024-11-14 03:11:39,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:11:39,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:11:39,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:11:39,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:11:39,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:11:38" (3/4) ... [2024-11-14 03:11:39,967 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:11:39,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:11:39,970 INFO L158 Benchmark]: Toolchain (without parser) took 2465.72ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 43.1MB in the end (delta: 49.4MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-14 03:11:39,971 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:11:39,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.87ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:11:39,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.02ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:11:39,975 INFO L158 Benchmark]: Boogie Preprocessor took 40.14ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:11:39,976 INFO L158 Benchmark]: RCFGBuilder took 937.29ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 39.3MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 03:11:39,976 INFO L158 Benchmark]: TraceAbstraction took 1067.45ms. Allocated memory is still 117.4MB. Free memory was 38.7MB in the beginning and 43.1MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:11:39,976 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 117.4MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:11:39,982 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.87ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.02ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.14ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 937.29ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 39.3MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1067.45ms. Allocated memory is still 117.4MB. Free memory was 38.7MB in the beginning and 43.1MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 117.4MB. Free memory is still 43.1MB. 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 someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] signed long int var_1_19 = 128; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] FCALL updateLastVariables() [L145] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L101] var_1_3 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L103] var_1_4 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L105] var_1_5 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L107] var_1_6 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L109] var_1_7 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_8=5, var_1_9=307/20] [L111] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5, var_1_9=307/20] [L112] var_1_9 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L114] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L117] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=32, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L120] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L121] var_1_15 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L123] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L124] var_1_16 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L126] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L127] var_1_17 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L129] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L130] var_1_19 = __VERIFIER_nondet_long() [L131] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=64, var_1_19=-256, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=64, var_1_19=-256, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L132] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=64, var_1_19=-256, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=64, var_1_19=-256, var_1_1=10, var_1_2=1, var_1_7=1, var_1_8=5] [L145] RET updateVariables() [L146] CALL step() [L44] COND TRUE \read(var_1_2) [L45] COND FALSE !(((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) [L48] var_1_1 = var_1_7 [L53] unsigned short int stepLocal_0 = var_1_7; [L54] COND TRUE var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9)))) [L55] var_1_8 = ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) [L63] COND TRUE \read(var_1_2) [L64] COND FALSE !(-128 > var_1_10) [L74] COND TRUE \read(var_1_2) [L75] var_1_13 = var_1_11 [L77] signed long int stepLocal_1 = ((((var_1_15 - var_1_16)) > (var_1_13)) ? ((var_1_15 - var_1_16)) : (var_1_13)); [L78] COND TRUE var_1_10 == stepLocal_1 [L79] var_1_14 = ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) [L83] COND FALSE !(var_1_7 == var_1_12) [L86] COND TRUE var_1_14 != var_1_16 [L87] COND TRUE -256 >= var_1_19 [L88] var_1_18 = var_1_16 [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (var_1_1 + var_1_10)))) : (var_1_12 == ((signed long int) var_1_1))) : 1) : (var_1_12 == ((signed long int) var_1_8)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_13)) ? ((var_1_15 - var_1_16)) : (var_1_13)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_7 == var_1_12) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16)))))) : ((var_1_14 != var_1_16) ? ((-256 >= var_1_19) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=0, var_1_14=126, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=125, var_1_19=-256, var_1_1=1, var_1_2=1, var_1_7=1, var_1_8=32] [L19] reach_error() VAL [isInitial=1, var_1_10=32, var_1_11=256, var_1_12=32, var_1_13=0, var_1_14=126, var_1_15=157, var_1_16=125, var_1_17=126, var_1_18=125, var_1_19=-256, var_1_1=1, var_1_2=1, var_1_7=1, var_1_8=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:11:40,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 171a765531b95b232fbab2e745bfaf521ee849c63dff03ab59f51e1f7468f906 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:11:43,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:11:43,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:11:43,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:11:43,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:11:43,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:11:43,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:11:43,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:11:43,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:11:43,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:11:43,381 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:11:43,381 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:11:43,382 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:11:43,382 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:11:43,383 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:11:43,383 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:11:43,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:11:43,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:11:43,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:11:43,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:11:43,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:11:43,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:11:43,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:11:43,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:11:43,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:11:43,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:11:43,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:11:43,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:11:43,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:11:43,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:11:43,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:11:43,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:11:43,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:11:43,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:11:43,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:11:43,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:11:43,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:11:43,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:11:43,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:11:43,388 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:11:43,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:11:43,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:11:43,389 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:11:43,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 171a765531b95b232fbab2e745bfaf521ee849c63dff03ab59f51e1f7468f906 [2024-11-14 03:11:43,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:11:43,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:11:43,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:11:43,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:11:43,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:11:43,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i Unable to find full path for "g++" [2024-11-14 03:11:46,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:11:46,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:11:46,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i [2024-11-14 03:11:46,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/data/c54c152ce/1e704fac69d94bbf9d7ef1e5b81eccaf/FLAGa6086c7c4 [2024-11-14 03:11:46,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/data/c54c152ce/1e704fac69d94bbf9d7ef1e5b81eccaf [2024-11-14 03:11:46,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:11:46,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:11:46,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:11:46,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:11:46,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:11:46,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:11:46" (1/1) ... [2024-11-14 03:11:46,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18546ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:46, skipping insertion in model container [2024-11-14 03:11:46,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:11:46" (1/1) ... [2024-11-14 03:11:46,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:11:46,986 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_383857d4-575a-40cd-9061-db85ef1f9f9c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i[917,930] [2024-11-14 03:11:47,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:11:47,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:11:47,101 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_383857d4-575a-40cd-9061-db85ef1f9f9c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i[917,930] [2024-11-14 03:11:47,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:11:47,166 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:11:47,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47 WrapperNode [2024-11-14 03:11:47,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:11:47,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:11:47,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:11:47,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:11:47,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,224 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-14 03:11:47,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:11:47,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:11:47,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:11:47,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:11:47,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:11:47,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:11:47,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:11:47,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:11:47,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (1/1) ... [2024-11-14 03:11:47,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:11:47,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:11:47,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:11:47,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:11:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:11:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:11:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:11:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:11:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:11:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:11:47,499 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:11:47,502 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:12:02,489 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 03:12:02,489 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:12:02,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:12:02,511 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:12:02,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:12:02 BoogieIcfgContainer [2024-11-14 03:12:02,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:12:02,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:12:02,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:12:02,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:12:02,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:11:46" (1/3) ... [2024-11-14 03:12:02,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cdda0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:12:02, skipping insertion in model container [2024-11-14 03:12:02,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:11:47" (2/3) ... [2024-11-14 03:12:02,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cdda0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:12:02, skipping insertion in model container [2024-11-14 03:12:02,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:12:02" (3/3) ... [2024-11-14 03:12:02,528 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-48.i [2024-11-14 03:12:02,569 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:12:02,570 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-48.i that has 2 procedures, 68 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:12:02,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:12:02,677 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;@54c0a380, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:12:02,678 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:12:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 03:12:02,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 03:12:02,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:12:02,703 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:12:02,704 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:12:02,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:12:02,712 INFO L85 PathProgramCache]: Analyzing trace with hash -29813590, now seen corresponding path program 1 times [2024-11-14 03:12:02,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:12:02,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815541924] [2024-11-14 03:12:02,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:12:02,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:12:02,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:12:02,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:12:02,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:12:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:12:04,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:12:05,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:12:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-14 03:12:05,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:12:05,078 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:12:05,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815541924] [2024-11-14 03:12:05,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815541924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:12:05,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:12:05,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:12:05,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837116516] [2024-11-14 03:12:05,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:12:05,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:12:05,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:12:05,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:12:05,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:12:05,121 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 03:12:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:12:05,154 INFO L93 Difference]: Finished difference Result 128 states and 222 transitions. [2024-11-14 03:12:05,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:12:05,157 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-14 03:12:05,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:12:05,165 INFO L225 Difference]: With dead ends: 128 [2024-11-14 03:12:05,166 INFO L226 Difference]: Without dead ends: 63 [2024-11-14 03:12:05,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:12:05,173 INFO L432 NwaCegarLoop]: 94 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, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:12:05,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:12:05,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-14 03:12:05,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-14 03:12:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 03:12:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-14 03:12:05,236 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 140 [2024-11-14 03:12:05,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:12:05,240 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-14 03:12:05,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 03:12:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-14 03:12:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 03:12:05,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:12:05,245 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:12:05,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:12:05,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:12:05,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:12:05,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:12:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash -591398046, now seen corresponding path program 1 times [2024-11-14 03:12:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:12:05,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052981390] [2024-11-14 03:12:05,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:12:05,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:12:05,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:12:05,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:12:05,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:12:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:12:07,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:12:07,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:12:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 03:12:12,152 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:12:12,152 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:12:12,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052981390] [2024-11-14 03:12:12,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052981390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:12:12,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:12:12,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:12:12,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766604548] [2024-11-14 03:12:12,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:12:12,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:12:12,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:12:12,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:12:12,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:12:12,157 INFO L87 Difference]: Start difference. First operand 63 states and 94 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 03:12:14,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:16,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:18,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:20,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:12:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:12:20,754 INFO L93 Difference]: Finished difference Result 183 states and 276 transitions. [2024-11-14 03:12:20,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:12:20,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-11-14 03:12:20,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:12:20,893 INFO L225 Difference]: With dead ends: 183 [2024-11-14 03:12:20,893 INFO L226 Difference]: Without dead ends: 123 [2024-11-14 03:12:20,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:12:20,895 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 22 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:12:20,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 269 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 4 Unknown, 0 Unchecked, 8.5s Time] [2024-11-14 03:12:20,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-14 03:12:20,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2024-11-14 03:12:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 74 states have (on average 1.2837837837837838) internal successors, (95), 74 states have internal predecessors, (95), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-14 03:12:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 183 transitions. [2024-11-14 03:12:20,927 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 183 transitions. Word has length 140 [2024-11-14 03:12:20,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:12:20,928 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 183 transitions. [2024-11-14 03:12:20,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 03:12:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 183 transitions. [2024-11-14 03:12:20,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 03:12:20,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:12:20,931 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:12:20,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:12:21,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:12:21,132 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:12:21,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:12:21,132 INFO L85 PathProgramCache]: Analyzing trace with hash -534139744, now seen corresponding path program 1 times [2024-11-14 03:12:21,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:12:21,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702097526] [2024-11-14 03:12:21,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:12:21,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:12:21,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:12:21,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:12:21,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_383857d4-575a-40cd-9061-db85ef1f9f9c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 03:12:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:12:22,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 03:12:22,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:12:58,880 WARN L851 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= c_~var_1_1~0 (_ bv1 16)) (= (_ bv0 8) c_~var_1_2~0)) is different from false [2024-11-14 03:13:01,004 WARN L873 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= c_~var_1_1~0 (_ bv1 16)) (= (_ bv0 8) c_~var_1_2~0)) is different from true [2024-11-14 03:13:37,185 WARN L851 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)) (= (_ bv0 8) c_~var_1_2~0)) is different from false [2024-11-14 03:13:39,314 WARN L873 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)) (= (_ bv0 8) c_~var_1_2~0)) is different from true [2024-11-14 03:15:09,206 WARN L851 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse1 (bvsgt .cse2 c_~var_1_13~0))) (or (and .cse1 (= .cse2 |c_ULTIMATE.start_step_~stepLocal_1~0#1|)) (and (not .cse1) (= c_~var_1_13~0 |c_ULTIMATE.start_step_~stepLocal_1~0#1|))))) (= c_~var_1_1~0 (_ bv1 16)) (= (_ bv0 8) c_~var_1_2~0)) is different from false [2024-11-14 03:15:11,344 WARN L873 $PredicateComparison]: unable to prove that (and (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse1 (bvsgt .cse2 c_~var_1_13~0))) (or (and .cse1 (= .cse2 |c_ULTIMATE.start_step_~stepLocal_1~0#1|)) (and (not .cse1) (= c_~var_1_13~0 |c_ULTIMATE.start_step_~stepLocal_1~0#1|))))) (= c_~var_1_1~0 (_ bv1 16)) (= (_ bv0 8) c_~var_1_2~0)) is different from true [2024-11-14 03:16:11,241 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_17~0 c_~var_1_14~0) (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse0 (bvsgt .cse2 c_~var_1_13~0))) (or (and (not .cse0) (not (= c_~var_1_13~0 .cse1))) (and (not (= .cse2 .cse1)) .cse0)))) (= ((_ extract 7 0) .cse1) c_~var_1_8~0) (let ((.cse3 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse3) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse3))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)) (= (_ bv0 8) c_~var_1_2~0))) is different from false [2024-11-14 03:16:13,354 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_17~0 c_~var_1_14~0) (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse0 (bvsgt .cse2 c_~var_1_13~0))) (or (and (not .cse0) (not (= c_~var_1_13~0 .cse1))) (and (not (= .cse2 .cse1)) .cse0)))) (= ((_ extract 7 0) .cse1) c_~var_1_8~0) (let ((.cse3 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse3) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse3))) (= ((_ zero_extend 24) c_~var_1_8~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)) (= (_ bv0 8) c_~var_1_2~0))) is different from true [2024-11-14 03:17:35,712 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_10~0)) (.cse5 ((_ zero_extend 24) c_~var_1_8~0)) (.cse3 ((_ zero_extend 24) c_~var_1_16~0))) (and (= c_~var_1_17~0 c_~var_1_14~0) (let ((.cse2 (bvadd (bvneg .cse3) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse0 (bvsgt .cse2 c_~var_1_13~0))) (or (and (not .cse0) (not (= c_~var_1_13~0 .cse1))) (and (not (= .cse2 .cse1)) .cse0)))) (= ((_ extract 7 0) .cse1) c_~var_1_8~0) (let ((.cse4 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse4) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse4))) (= .cse5 c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)) (= c_~var_1_12~0 ((_ zero_extend 16) c_~var_1_7~0)) (let ((.cse6 (bvslt .cse5 .cse3))) (or (and .cse6 (= c_~var_1_18~0 ((_ extract 15 0) (bvadd .cse5 .cse1)))) (and (= c_~var_1_18~0 ((_ extract 15 0) (bvadd .cse3 .cse1))) (not .cse6)))) (= (_ bv0 8) c_~var_1_2~0))) is different from false [2024-11-14 03:17:37,842 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_10~0)) (.cse5 ((_ zero_extend 24) c_~var_1_8~0)) (.cse3 ((_ zero_extend 24) c_~var_1_16~0))) (and (= c_~var_1_17~0 c_~var_1_14~0) (let ((.cse2 (bvadd (bvneg .cse3) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse0 (bvsgt .cse2 c_~var_1_13~0))) (or (and (not .cse0) (not (= c_~var_1_13~0 .cse1))) (and (not (= .cse2 .cse1)) .cse0)))) (= ((_ extract 7 0) .cse1) c_~var_1_8~0) (let ((.cse4 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse4) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse4))) (= .cse5 c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)) (= c_~var_1_12~0 ((_ zero_extend 16) c_~var_1_7~0)) (let ((.cse6 (bvslt .cse5 .cse3))) (or (and .cse6 (= c_~var_1_18~0 ((_ extract 15 0) (bvadd .cse5 .cse1)))) (and (= c_~var_1_18~0 ((_ extract 15 0) (bvadd .cse3 .cse1))) (not .cse6)))) (= (_ bv0 8) c_~var_1_2~0))) is different from true