./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:25:08,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:25:08,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:25:08,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:25:08,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:25:08,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:25:08,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:25:08,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:25:08,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:25:08,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:25:08,934 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:25:08,935 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:25:08,935 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:25:08,935 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:25:08,936 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:25:08,936 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:25:08,936 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:25:08,936 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:25:08,936 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:25:08,936 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:25:08,936 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:25:08,937 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:25:08,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:25:08,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:25:08,937 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:25:08,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:25:08,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:25:08,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:25:08,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:25:08,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:25:08,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:25:08,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:25:08,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:25:08,940 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:25:08,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:25:08,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:25:08,941 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:25:08,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:25:08,941 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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 -> 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 [2024-11-14 03:25:09,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:25:09,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:25:09,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:25:09,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:25:09,287 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:25:09,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i Unable to find full path for "g++" [2024-11-14 03:25:11,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:25:11,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:25:11,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i [2024-11-14 03:25:11,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/data/54b6343b0/e3b41543ecbf4900a45200db91b54f4d/FLAGe6034ab5a [2024-11-14 03:25:11,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/data/54b6343b0/e3b41543ecbf4900a45200db91b54f4d [2024-11-14 03:25:11,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:25:11,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:25:11,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:25:11,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:25:11,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:25:11,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:25:11" (1/1) ... [2024-11-14 03:25:11,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a0e16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:11, skipping insertion in model container [2024-11-14 03:25:11,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:25:11" (1/1) ... [2024-11-14 03:25:11,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:25:11,963 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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2024-11-14 03:25:12,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:25:12,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:25:12,047 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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2024-11-14 03:25:12,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:25:12,101 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:25:12,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12 WrapperNode [2024-11-14 03:25:12,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:25:12,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:25:12,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:25:12,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:25:12,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,147 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-14 03:25:12,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:25:12,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:25:12,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:25:12,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:25:12,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:25:12,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:25:12,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:25:12,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:25:12,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (1/1) ... [2024-11-14 03:25:12,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:25:12,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:25:12,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:25:12,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:25:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:25:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:25:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:25:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:25:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:25:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:25:12,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:25:12,364 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:25:12,786 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-14 03:25:12,786 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:25:12,993 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:25:12,994 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:25:12,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:25:12 BoogieIcfgContainer [2024-11-14 03:25:12,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:25:12,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:25:12,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:25:13,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:25:13,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:25:11" (1/3) ... [2024-11-14 03:25:13,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2881f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:25:13, skipping insertion in model container [2024-11-14 03:25:13,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:12" (2/3) ... [2024-11-14 03:25:13,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2881f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:25:13, skipping insertion in model container [2024-11-14 03:25:13,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:25:12" (3/3) ... [2024-11-14 03:25:13,005 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-85.i [2024-11-14 03:25:13,031 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:25:13,033 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-85.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:25:13,085 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:25:13,097 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;@116868d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:25:13,097 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:25:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 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 03:25:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 03:25:13,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:13,111 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] [2024-11-14 03:25:13,111 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:25:13,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:13,116 INFO L85 PathProgramCache]: Analyzing trace with hash -375965904, now seen corresponding path program 1 times [2024-11-14 03:25:13,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:25:13,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636789546] [2024-11-14 03:25:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:13,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:25:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:25:13,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [852312699] [2024-11-14 03:25:13,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:13,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:25:13,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:25:13,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:25:13,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:25:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:25:13,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:25:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:25:14,078 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:25:14,081 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:25:14,082 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:25:14,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:25:14,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:25:14,288 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:25:14,360 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:25:14,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:25:14 BoogieIcfgContainer [2024-11-14 03:25:14,364 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:25:14,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:25:14,364 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:25:14,365 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:25:14,365 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:25:12" (3/4) ... [2024-11-14 03:25:14,368 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:25:14,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:25:14,371 INFO L158 Benchmark]: Toolchain (without parser) took 2603.01ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.4MB in the beginning and 355.8MB in the end (delta: -237.4MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-14 03:25:14,371 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:14,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.79ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 103.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:25:14,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.64ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 100.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:14,374 INFO L158 Benchmark]: Boogie Preprocessor took 39.13ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:14,374 INFO L158 Benchmark]: RCFGBuilder took 806.70ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 64.5MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 03:25:14,374 INFO L158 Benchmark]: TraceAbstraction took 1366.91ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 64.0MB in the beginning and 355.8MB in the end (delta: -291.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:14,375 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 427.8MB. Free memory is still 355.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:14,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.79ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 103.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.64ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 100.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.13ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 806.70ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 64.5MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1366.91ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 64.0MB in the beginning and 355.8MB in the end (delta: -291.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 427.8MB. Free memory is still 355.8MB. 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 someBinaryArithmeticDOUBLEoperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 123. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned short int var_1_2 = 2; [L24] unsigned short int var_1_3 = 8; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] float var_1_7 = 0.6; [L29] unsigned long int var_1_8 = 32; [L30] unsigned long int var_1_9 = 32; [L31] float var_1_10 = 49.359; [L32] float var_1_11 = 5.5; [L33] unsigned long int var_1_12 = 128; [L34] unsigned char var_1_13 = 16; [L35] unsigned char var_1_14 = 0; [L36] unsigned long int var_1_15 = 8; [L37] unsigned char var_1_16 = 0; [L38] unsigned char var_1_17 = 0; [L39] double var_1_18 = 1.8; [L40] double var_1_19 = 4.5; [L41] double var_1_20 = 15.5; [L127] isInitial = 1 [L128] FCALL initially() [L129] COND TRUE 1 [L130] FCALL updateLastVariables() [L131] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L87] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] var_1_3 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L90] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L91] var_1_4 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L93] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L94] var_1_6 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L96] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L97] var_1_8 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L99] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L100] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=32] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=32] [L101] var_1_9 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2] [L103] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2] [L104] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L105] var_1_10 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L107] var_1_11 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L109] var_1_14 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L111] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L112] var_1_17 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L114] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L115] var_1_19 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L117] var_1_20 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L131] RET updateVariables() [L132] CALL step() [L45] unsigned short int stepLocal_1 = var_1_2; [L46] signed long int stepLocal_0 = -10000000; [L47] COND FALSE !(stepLocal_1 < ((- var_1_3) * 64)) [L58] unsigned long int stepLocal_2 = var_1_3 + var_1_1; [L59] COND FALSE !(var_1_2 <= stepLocal_2) [L62] var_1_5 = var_1_6 [L64] COND FALSE !((var_1_2 + (var_1_3 * var_1_1)) <= ((32u / var_1_8) / var_1_9)) [L69] var_1_7 = var_1_11 [L71] COND FALSE !(var_1_7 <= (- (32.8f + var_1_10))) [L74] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L75] COND FALSE !(\read(var_1_4)) [L78] var_1_16 = (var_1_6 && var_1_17) [L79] unsigned char stepLocal_3 = var_1_17; [L80] COND FALSE !(var_1_5 || stepLocal_3) [L132] RET step() [L133] CALL, EXPR property() [L123-L124] return ((((((((var_1_2 < ((- var_1_3) * 64)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : ((-10000000 < var_1_2) ? (var_1_1 == ((unsigned long int) (((((((var_1_3) > (5u)) ? (var_1_3) : (5u))) < 0 ) ? -((((var_1_3) > (5u)) ? (var_1_3) : (5u))) : ((((var_1_3) > (5u)) ? (var_1_3) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((var_1_2 <= (var_1_3 + var_1_1)) ? (var_1_5 == ((unsigned char) ((var_1_3 == var_1_2) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_2 + (var_1_3 * var_1_1)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_10) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_10))) ? (var_1_12 == ((unsigned long int) var_1_3)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_4 ? (var_1_15 == ((unsigned long int) ((((var_1_3) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_3) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; [L133] RET, EXPR property() [L133] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_2=65535, var_1_3=251, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_2=65535, var_1_3=251, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:25:14,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:25:16,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:25:17,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:25:17,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:25:17,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:25:17,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:25:17,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:25:17,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:25:17,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:25:17,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:25:17,151 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:25:17,152 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:25:17,152 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:25:17,152 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:25:17,152 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:25:17,152 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:25:17,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:25:17,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:25:17,153 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:25:17,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:25:17,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:25:17,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:25:17,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:25:17,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:25:17,156 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:25:17,157 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:25:17,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:25:17,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:25:17,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:25:17,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:25:17,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:25:17,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:25:17,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:25:17,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:25:17,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:25:17,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:25:17,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:25:17,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:25:17,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:25:17,158 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:25:17,158 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:25:17,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:25:17,159 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:25:17,159 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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 -> 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 [2024-11-14 03:25:17,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:25:17,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:25:17,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:25:17,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:25:17,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:25:17,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i Unable to find full path for "g++" [2024-11-14 03:25:19,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:25:19,777 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:25:19,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i [2024-11-14 03:25:19,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/data/3731d5ae4/6cf0e29ca480474294b99f85afed0717/FLAGcbf5a3212 [2024-11-14 03:25:19,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/data/3731d5ae4/6cf0e29ca480474294b99f85afed0717 [2024-11-14 03:25:19,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:25:19,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:25:19,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:25:19,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:25:19,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:25:19,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:25:19" (1/1) ... [2024-11-14 03:25:19,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3353a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:19, skipping insertion in model container [2024-11-14 03:25:19,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:25:19" (1/1) ... [2024-11-14 03:25:19,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:25:20,018 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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2024-11-14 03:25:20,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:25:20,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:25:20,145 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_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2024-11-14 03:25:20,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:25:20,196 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:25:20,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20 WrapperNode [2024-11-14 03:25:20,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:25:20,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:25:20,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:25:20,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:25:20,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,237 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-14 03:25:20,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:25:20,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:25:20,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:25:20,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:25:20,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:25:20,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:25:20,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:25:20,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:25:20,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (1/1) ... [2024-11-14 03:25:20,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:25:20,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:25:20,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:25:20,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:25:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:25:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:25:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:25:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:25:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:25:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:25:20,460 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:25:20,462 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:25:22,193 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-14 03:25:22,193 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:25:22,205 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:25:22,206 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:25:22,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:25:22 BoogieIcfgContainer [2024-11-14 03:25:22,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:25:22,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:25:22,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:25:22,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:25:22,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:25:19" (1/3) ... [2024-11-14 03:25:22,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565b0bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:25:22, skipping insertion in model container [2024-11-14 03:25:22,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:25:20" (2/3) ... [2024-11-14 03:25:22,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565b0bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:25:22, skipping insertion in model container [2024-11-14 03:25:22,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:25:22" (3/3) ... [2024-11-14 03:25:22,217 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-85.i [2024-11-14 03:25:22,234 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:25:22,236 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-85.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:25:22,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:25:22,345 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;@2d809229, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:25:22,345 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:25:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 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 03:25:22,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 03:25:22,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:22,362 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 03:25:22,363 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:25:22,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:22,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1614977261, now seen corresponding path program 1 times [2024-11-14 03:25:22,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:25:22,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212650360] [2024-11-14 03:25:22,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:22,383 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 03:25:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:25:22,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 03:25:22,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 03:25:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:22,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:25:22,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:25:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-14 03:25:22,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:25:22,998 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:25:22,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212650360] [2024-11-14 03:25:22,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212650360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:25:22,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:25:22,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:25:23,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490006232] [2024-11-14 03:25:23,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:25:23,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:25:23,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:25:23,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:25:23,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:25:23,024 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 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 03:25:23,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:23,050 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2024-11-14 03:25:23,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:25:23,052 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 03:25:23,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:23,058 INFO L225 Difference]: With dead ends: 121 [2024-11-14 03:25:23,058 INFO L226 Difference]: Without dead ends: 59 [2024-11-14 03:25:23,062 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 03:25:23,064 INFO L432 NwaCegarLoop]: 86 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, 86 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 03:25:23,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:25:23,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-14 03:25:23,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-14 03:25:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 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 03:25:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2024-11-14 03:25:23,103 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 140 [2024-11-14 03:25:23,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:23,103 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2024-11-14 03:25:23,104 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 03:25:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-11-14 03:25:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 03:25:23,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:23,107 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 03:25:23,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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)] Forceful destruction successful, exit code 0 [2024-11-14 03:25:23,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 03:25:23,308 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:25:23,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:23,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1027234401, now seen corresponding path program 1 times [2024-11-14 03:25:23,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:25:23,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436961334] [2024-11-14 03:25:23,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:23,310 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 03:25:23,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:25:23,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 03:25:23,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 03:25:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:23,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 03:25:23,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:25:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-14 03:25:25,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:25:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-14 03:25:26,276 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:25:26,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436961334] [2024-11-14 03:25:26,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436961334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:25:26,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1703476825] [2024-11-14 03:25:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:26,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:25:26,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:25:26,286 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:25:26,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 03:25:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:27,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 03:25:27,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:25:28,329 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-14 03:25:28,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:25:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-14 03:25:29,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1703476825] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:25:29,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822626152] [2024-11-14 03:25:29,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:29,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:25:29,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:25:29,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:25:29,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:25:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:29,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 03:25:29,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:25:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-14 03:25:30,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:25:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-14 03:25:31,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822626152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:25:31,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 03:25:31,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 10, 10] total 14 [2024-11-14 03:25:31,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314251769] [2024-11-14 03:25:31,141 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 03:25:31,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 03:25:31,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:25:31,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 03:25:31,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:25:31,144 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-14 03:25:34,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:34,957 INFO L93 Difference]: Finished difference Result 170 states and 238 transitions. [2024-11-14 03:25:34,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-14 03:25:34,959 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 140 [2024-11-14 03:25:34,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:34,961 INFO L225 Difference]: With dead ends: 170 [2024-11-14 03:25:34,961 INFO L226 Difference]: Without dead ends: 114 [2024-11-14 03:25:34,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 817 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=240, Invalid=572, Unknown=0, NotChecked=0, Total=812 [2024-11-14 03:25:34,967 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 118 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:34,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 252 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-14 03:25:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-14 03:25:34,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 103. [2024-11-14 03:25:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.105263157894737) internal successors, (63), 58 states have internal predecessors, (63), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 03:25:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 143 transitions. [2024-11-14 03:25:34,999 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 143 transitions. Word has length 140 [2024-11-14 03:25:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:35,000 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 143 transitions. [2024-11-14 03:25:35,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-14 03:25:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2024-11-14 03:25:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 03:25:35,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:35,002 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 03:25:35,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 03:25:35,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-14 03:25:35,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:25:35,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:25:35,603 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:25:35,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:35,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1025387359, now seen corresponding path program 1 times [2024-11-14 03:25:35,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:25:35,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612873884] [2024-11-14 03:25:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:35,605 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 03:25:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:25:35,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 03:25:35,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3306cd-c6a3-4dea-a475-9324fcb4f9ad/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 (6)] Waiting until timeout for monitored process [2024-11-14 03:25:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:36,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 03:25:36,100 INFO L278 TraceCheckSpWp]: Computing forward predicates...