./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 6cf121e3b47e416b331fd217f307633c7308ddf0dfc6366598b1002ae90b91c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:02:11,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:02:12,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:02:12,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:02:12,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:02:12,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:02:12,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:02:12,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:02:12,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:02:12,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:02:12,092 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:02:12,092 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:02:12,092 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:02:12,092 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:02:12,092 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:02:12,092 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:02:12,093 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:02:12,093 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:02:12,093 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:02:12,094 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:02:12,094 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:02:12,094 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:02:12,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:02:12,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:02:12,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:02:12,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:02:12,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:02:12,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:02:12,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:02:12,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:02:12,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:02:12,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:02:12,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:02:12,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:02:12,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:02:12,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:02:12,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:02:12,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:02:12,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:12,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:02:12,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:02:12,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:02:12,099 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:02:12,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:02:12,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:02:12,099 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:02:12,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:02:12,099 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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 -> 6cf121e3b47e416b331fd217f307633c7308ddf0dfc6366598b1002ae90b91c8 [2024-11-14 05:02:12,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:02:12,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:02:12,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:02:12,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:02:12,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:02:12,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i Unable to find full path for "g++" [2024-11-14 05:02:14,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:02:15,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:02:15,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i [2024-11-14 05:02:15,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/data/682542c6a/6bcd2afe0bc542bc9ae22493f66c23bb/FLAGa5fcaa2e3 [2024-11-14 05:02:15,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/data/682542c6a/6bcd2afe0bc542bc9ae22493f66c23bb [2024-11-14 05:02:15,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:02:15,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:02:15,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:15,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:02:15,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:02:15,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c425e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15, skipping insertion in model container [2024-11-14 05:02:15,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:02:15,636 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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i[915,928] [2024-11-14 05:02:15,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:15,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:02:15,745 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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i[915,928] [2024-11-14 05:02:15,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:15,808 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:02:15,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15 WrapperNode [2024-11-14 05:02:15,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:15,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:15,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:02:15,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:02:15,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,862 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-11-14 05:02:15,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:15,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:02:15,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:02:15,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:02:15,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:02:15,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:02:15,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:02:15,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:02:15,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (1/1) ... [2024-11-14 05:02:15,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:15,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:15,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:02:15,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:02:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:02:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:02:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:02:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:02:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:02:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:02:16,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:02:16,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:02:16,612 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 05:02:16,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:02:16,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:02:16,891 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:02:16,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:16 BoogieIcfgContainer [2024-11-14 05:02:16,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:02:16,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:02:16,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:02:16,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:02:16,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:02:15" (1/3) ... [2024-11-14 05:02:16,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9e70dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:16, skipping insertion in model container [2024-11-14 05:02:16,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:15" (2/3) ... [2024-11-14 05:02:16,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c9e70dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:16, skipping insertion in model container [2024-11-14 05:02:16,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:16" (3/3) ... [2024-11-14 05:02:16,904 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-39.i [2024-11-14 05:02:16,922 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:02:16,924 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-39.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:02:16,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:02:17,016 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;@681793a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:02:17,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:02:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 05:02:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 05:02:17,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:17,030 INFO L215 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:02:17,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:17,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:17,036 INFO L85 PathProgramCache]: Analyzing trace with hash 407976914, now seen corresponding path program 1 times [2024-11-14 05:02:17,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:02:17,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022166648] [2024-11-14 05:02:17,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:17,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:02:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:02:17,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:02:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:02:18,650 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:02:18,653 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:02:18,656 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:02:18,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:02:18,666 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:02:18,762 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:02:18,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:02:18 BoogieIcfgContainer [2024-11-14 05:02:18,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:02:18,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:02:18,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:02:18,767 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:02:18,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:16" (3/4) ... [2024-11-14 05:02:18,771 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:02:18,772 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:02:18,774 INFO L158 Benchmark]: Toolchain (without parser) took 3396.65ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 33.1MB in the end (delta: 50.1MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-14 05:02:18,774 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:18,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.41ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 69.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:02:18,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.87ms. Allocated memory is still 109.1MB. Free memory was 69.0MB in the beginning and 66.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:18,775 INFO L158 Benchmark]: Boogie Preprocessor took 33.91ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 65.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:18,776 INFO L158 Benchmark]: RCFGBuilder took 993.91ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 63.4MB in the end (delta: 1.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-14 05:02:18,781 INFO L158 Benchmark]: TraceAbstraction took 1871.20ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 33.1MB in the end (delta: 29.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-14 05:02:18,781 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 109.1MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:18,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.41ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 69.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.87ms. Allocated memory is still 109.1MB. Free memory was 69.0MB in the beginning and 66.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.91ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 65.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 993.91ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 63.4MB in the end (delta: 1.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1871.20ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 33.1MB in the end (delta: 29.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 109.1MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of bitwiseOr at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] unsigned char var_1_6 = 0; [L24] signed short int var_1_7 = 8; [L25] signed short int var_1_8 = 4; [L26] unsigned long int var_1_9 = 256; [L27] unsigned long int var_1_10 = 10; [L28] unsigned long int var_1_11 = 3084274888; [L29] unsigned long int var_1_13 = 50; [L30] signed long int var_1_14 = -10; [L31] unsigned char var_1_16 = 0; [L32] float var_1_19 = 4.5; [L33] float var_1_20 = 15.375; [L34] float var_1_21 = 32.725; [L35] float var_1_22 = 63.5; [L36] float var_1_23 = 16.375; [L37] signed char var_1_24 = -32; [L38] signed char var_1_25 = 0; [L39] unsigned short int var_1_26 = 64; [L40] unsigned long int last_1_var_1_9 = 256; [L41] unsigned long int last_1_var_1_10 = 10; [L42] signed long int last_1_var_1_14 = -10; [L43] signed char last_1_var_1_24 = -32; [L130] isInitial = 1 [L131] FCALL initially() [L132] COND TRUE 1 [L133] CALL updateLastVariables() [L120] last_1_var_1_9 = var_1_9 [L121] last_1_var_1_10 = var_1_10 [L122] last_1_var_1_14 = var_1_14 [L123] last_1_var_1_24 = var_1_24 [L133] RET updateLastVariables() [L134] CALL updateVariables() [L92] var_1_6 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L94] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L95] var_1_7 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=4, var_1_9=256] [L97] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=4, var_1_9=256] [L98] var_1_8 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L100] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L101] var_1_11 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L104] var_1_16 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L106] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L107] var_1_20 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L109] var_1_21 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L111] var_1_22 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L113] var_1_23 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L115] var_1_25 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_25 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-127, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_25 >= -127) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-127, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L117] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-127, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-6442450945, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-127, var_1_26=64, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=256] [L134] RET updateVariables() [L135] CALL step() [L47] EXPR (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10 [L47] unsigned long int stepLocal_0 = (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10; [L48] COND TRUE stepLocal_0 < (last_1_var_1_24 | -4) [L49] var_1_1 = (var_1_7 - var_1_8) [L53] var_1_24 = var_1_25 [L54] var_1_26 = var_1_8 [L55] var_1_10 = ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_26)) ? (0u) : (var_1_26)))))) [L56] unsigned long int stepLocal_3 = var_1_8 / (1u + 16u); [L57] unsigned long int stepLocal_2 = var_1_11; [L58] COND FALSE !(var_1_26 < stepLocal_3) [L65] var_1_13 = var_1_8 [L67] signed short int stepLocal_4 = var_1_8; [L68] COND TRUE stepLocal_4 <= var_1_13 [L69] var_1_19 = (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))) [L73] unsigned long int stepLocal_1 = var_1_10; [L74] COND TRUE stepLocal_1 >= ((((var_1_1) < (last_1_var_1_9)) ? (var_1_1) : (last_1_var_1_9))) [L75] COND TRUE \read(var_1_6) [L76] var_1_9 = var_1_8 [L79] COND TRUE var_1_26 >= var_1_7 [L80] COND FALSE !(var_1_1 > var_1_11) [L135] RET step() [L136] CALL, EXPR property() [L126] EXPR (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10 [L126-L127] return ((((((((((last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10) < (last_1_var_1_24 | -4)) ? (var_1_1 == ((signed short int) (var_1_7 - var_1_8))) : (var_1_1 == ((signed short int) (last_1_var_1_10 + -16)))) && ((var_1_10 >= ((((var_1_1) < (last_1_var_1_9)) ? (var_1_1) : (last_1_var_1_9)))) ? (var_1_6 ? (var_1_9 == ((unsigned long int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned long int) ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))))))) && ((var_1_26 < (var_1_8 / (1u + 16u))) ? ((var_1_11 > (var_1_26 + 5u)) ? (var_1_13 == ((unsigned long int) ((((var_1_26) > (var_1_11)) ? (var_1_26) : (var_1_11))))) : (var_1_13 == ((unsigned long int) 5u))) : (var_1_13 == ((unsigned long int) var_1_8)))) && ((var_1_26 >= var_1_7) ? ((var_1_1 > var_1_11) ? ((var_1_6 && var_1_16) ? (var_1_14 == ((signed long int) (var_1_7 - (var_1_26 + var_1_8)))) : (var_1_14 == ((signed long int) var_1_26))) : 1) : (var_1_14 == ((signed long int) var_1_24)))) && ((var_1_8 <= var_1_13) ? (var_1_19 == ((float) (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))))) : (var_1_19 == ((float) var_1_22)))) && (var_1_24 == ((signed char) var_1_25))) && (var_1_26 == ((unsigned short int) var_1_8)) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=0, var_1_11=-6442450945, var_1_13=0, var_1_14=-10, var_1_16=0, var_1_19=3084274893, var_1_1=0, var_1_22=3084274893, var_1_23=3084274893, var_1_24=-127, var_1_25=-127, var_1_26=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=0, var_1_11=-6442450945, var_1_13=0, var_1_14=-10, var_1_16=0, var_1_19=3084274893, var_1_1=0, var_1_22=3084274893, var_1_23=3084274893, var_1_24=-127, var_1_25=-127, var_1_26=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:02:18,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 6cf121e3b47e416b331fd217f307633c7308ddf0dfc6366598b1002ae90b91c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:02:22,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:02:22,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:02:22,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:02:22,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:02:22,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:02:22,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:02:22,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:02:22,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:02:22,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:02:22,272 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:02:22,272 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:02:22,272 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:02:22,273 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:02:22,273 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:02:22,273 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:02:22,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:02:22,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:02:22,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:02:22,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:02:22,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:02:22,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:02:22,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:02:22,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:02:22,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:02:22,277 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:02:22,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:02:22,277 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:02:22,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:02:22,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:02:22,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:02:22,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:02:22,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:02:22,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:02:22,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:02:22,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:22,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:02:22,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:02:22,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:02:22,279 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:02:22,279 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:02:22,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:02:22,279 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:02:22,279 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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 -> 6cf121e3b47e416b331fd217f307633c7308ddf0dfc6366598b1002ae90b91c8 [2024-11-14 05:02:22,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:02:22,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:02:22,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:02:22,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:02:22,699 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:02:22,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i Unable to find full path for "g++" [2024-11-14 05:02:24,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:02:25,173 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:02:25,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i [2024-11-14 05:02:25,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/data/134aafb77/35ac2389670049b290fd54d2b62053d7/FLAGba0bfabe7 [2024-11-14 05:02:25,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/data/134aafb77/35ac2389670049b290fd54d2b62053d7 [2024-11-14 05:02:25,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:02:25,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:02:25,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:25,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:02:25,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:02:25,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f78c500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25, skipping insertion in model container [2024-11-14 05:02:25,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:02:25,518 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_33a61af6-66d6-4903-b0ca-430f2c2f1c25/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i[915,928] [2024-11-14 05:02:25,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:25,655 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:02:25,673 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i[915,928] [2024-11-14 05:02:25,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:25,779 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:02:25,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25 WrapperNode [2024-11-14 05:02:25,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:25,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:25,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:02:25,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:02:25,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,840 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-14 05:02:25,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:25,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:02:25,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:02:25,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:02:25,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:02:25,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:02:25,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:02:25,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:02:25,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (1/1) ... [2024-11-14 05:02:25,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:25,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:25,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:02:25,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:02:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:02:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:02:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:02:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:02:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:02:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:02:26,122 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:02:26,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:02:26,879 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 05:02:26,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:02:26,893 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:02:26,893 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:02:26,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:26 BoogieIcfgContainer [2024-11-14 05:02:26,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:02:26,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:02:26,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:02:26,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:02:26,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:02:25" (1/3) ... [2024-11-14 05:02:26,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abac742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:26, skipping insertion in model container [2024-11-14 05:02:26,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:25" (2/3) ... [2024-11-14 05:02:26,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abac742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:26, skipping insertion in model container [2024-11-14 05:02:26,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:26" (3/3) ... [2024-11-14 05:02:26,910 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-39.i [2024-11-14 05:02:26,930 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:02:26,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-39.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:02:27,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:02:27,039 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;@2cbf5d64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:02:27,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:02:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 05:02:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-14 05:02:27,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:27,057 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:02:27,058 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:27,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:27,070 INFO L85 PathProgramCache]: Analyzing trace with hash 174044633, now seen corresponding path program 1 times [2024-11-14 05:02:27,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:27,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97432653] [2024-11-14 05:02:27,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:27,089 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 05:02:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:27,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 05:02:27,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 05:02:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:27,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:02:27,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-14 05:02:27,559 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:02:27,560 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:02:27,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97432653] [2024-11-14 05:02:27,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97432653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:27,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:27,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:02:27,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895345130] [2024-11-14 05:02:27,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:27,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:02:27,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:02:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:02:27,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:02:27,597 INFO L87 Difference]: Start difference. First operand has 57 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 05:02:27,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:27,623 INFO L93 Difference]: Finished difference Result 107 states and 178 transitions. [2024-11-14 05:02:27,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:02:27,625 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2024-11-14 05:02:27,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:27,634 INFO L225 Difference]: With dead ends: 107 [2024-11-14 05:02:27,634 INFO L226 Difference]: Without dead ends: 53 [2024-11-14 05:02:27,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 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 05:02:27,641 INFO L432 NwaCegarLoop]: 77 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, 77 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 05:02:27,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:02:27,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-14 05:02:27,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-14 05:02:27,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 05:02:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-11-14 05:02:27,691 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 107 [2024-11-14 05:02:27,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:27,692 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-11-14 05:02:27,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 05:02:27,693 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-14 05:02:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-14 05:02:27,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:27,697 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:02:27,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 05:02:27,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 05:02:27,898 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:27,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:27,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1771821793, now seen corresponding path program 1 times [2024-11-14 05:02:27,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:27,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065914253] [2024-11-14 05:02:27,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:27,900 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 05:02:27,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:27,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 05:02:27,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a61af6-66d6-4903-b0ca-430f2c2f1c25/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 05:02:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:28,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 05:02:28,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:03:19,509 WARN L286 SmtUtils]: Spent 16.06s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:04:00,952 WARN L286 SmtUtils]: Spent 15.59s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:04:45,884 WARN L286 SmtUtils]: Spent 15.75s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:05:29,878 WARN L286 SmtUtils]: Spent 15.44s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)