./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.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_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 3008ec9f955421314ac3ef7dc0ce34edf7faa284295148d08de6e3d862d37443 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:16:43,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:16:44,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:16:44,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:16:44,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:16:44,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:16:44,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:16:44,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:16:44,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:16:44,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:16:44,112 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:16:44,112 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:16:44,113 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:16:44,113 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:16:44,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:16:44,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:16:44,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:16:44,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:16:44,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:16:44,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:16:44,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:16:44,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:16:44,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:16:44,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:16:44,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:16:44,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:16:44,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:16:44,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:16:44,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:16:44,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:16:44,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:16:44,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:16:44,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:16:44,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:16:44,118 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:16:44,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:16:44,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:16:44,118 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:16:44,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:16:44,118 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_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 -> 3008ec9f955421314ac3ef7dc0ce34edf7faa284295148d08de6e3d862d37443 [2024-11-14 03:16:44,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:16:44,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:16:44,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:16:44,493 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:16:44,495 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:16:44,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i Unable to find full path for "g++" [2024-11-14 03:16:46,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:16:46,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:16:46,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i [2024-11-14 03:16:46,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/data/239f71740/99d46578549a432082a4206b767694d5/FLAG203963180 [2024-11-14 03:16:46,864 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/data/239f71740/99d46578549a432082a4206b767694d5 [2024-11-14 03:16:46,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:16:46,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:16:46,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:16:46,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:16:46,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:16:46,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:16:46" (1/1) ... [2024-11-14 03:16:46,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:46, skipping insertion in model container [2024-11-14 03:16:46,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:16:46" (1/1) ... [2024-11-14 03:16:46,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:16:47,057 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_f2bea677-1333-4a05-b4d3-b0a5574c1413/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i[913,926] [2024-11-14 03:16:47,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:16:47,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:16:47,171 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_f2bea677-1333-4a05-b4d3-b0a5574c1413/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i[913,926] [2024-11-14 03:16:47,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:16:47,224 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:16:47,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47 WrapperNode [2024-11-14 03:16:47,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:16:47,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:16:47,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:16:47,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:16:47,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,326 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-11-14 03:16:47,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:16:47,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:16:47,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:16:47,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:16:47,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:16:47,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:16:47,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:16:47,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:16:47,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (1/1) ... [2024-11-14 03:16:47,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:16:47,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:16:47,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:16:47,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:16:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:16:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:16:47,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:16:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:16:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:16:47,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:16:47,579 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:16:47,581 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:16:48,024 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 03:16:48,024 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:16:48,266 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:16:48,266 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:16:48,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:16:48 BoogieIcfgContainer [2024-11-14 03:16:48,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:16:48,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:16:48,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:16:48,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:16:48,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:16:46" (1/3) ... [2024-11-14 03:16:48,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184d2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:16:48, skipping insertion in model container [2024-11-14 03:16:48,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:47" (2/3) ... [2024-11-14 03:16:48,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184d2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:16:48, skipping insertion in model container [2024-11-14 03:16:48,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:16:48" (3/3) ... [2024-11-14 03:16:48,282 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-91.i [2024-11-14 03:16:48,302 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:16:48,304 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-91.i that has 2 procedures, 40 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:16:48,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:16:48,402 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;@65a4fe3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:16:48,402 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:16:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:16:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-14 03:16:48,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:16:48,421 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:16:48,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:16:48,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:16:48,428 INFO L85 PathProgramCache]: Analyzing trace with hash 909203869, now seen corresponding path program 1 times [2024-11-14 03:16:48,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:16:48,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432510091] [2024-11-14 03:16:48,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:16:48,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:16:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:16:48,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512173416] [2024-11-14 03:16:48,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:16:48,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:16:48,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:16:48,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:16:48,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:16:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:16:49,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:16:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:16:49,317 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:16:49,319 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:16:49,321 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:16:49,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:16:49,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:16:49,527 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:16:49,627 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:16:49,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:16:49 BoogieIcfgContainer [2024-11-14 03:16:49,634 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:16:49,635 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:16:49,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:16:49,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:16:49,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:16:48" (3/4) ... [2024-11-14 03:16:49,639 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:16:49,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:16:49,645 INFO L158 Benchmark]: Toolchain (without parser) took 2769.85ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 45.9MB in the end (delta: 45.7MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-14 03:16:49,646 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:16:49,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.44ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 77.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:16:49,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.49ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 74.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:16:49,651 INFO L158 Benchmark]: Boogie Preprocessor took 53.66ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:16:49,651 INFO L158 Benchmark]: RCFGBuilder took 878.89ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 88.9MB in the end (delta: -16.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-14 03:16:49,652 INFO L158 Benchmark]: TraceAbstraction took 1361.61ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 45.9MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 03:16:49,652 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 117.4MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:16:49,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.44ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 77.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.49ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 74.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.66ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 878.89ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 88.9MB in the end (delta: -16.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1361.61ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 45.9MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 117.4MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -64; [L23] signed short int var_1_5 = 8; [L24] signed short int var_1_6 = 8; [L25] signed short int var_1_7 = 5; [L26] signed short int var_1_8 = 0; [L27] signed char var_1_9 = 5; [L28] signed char var_1_11 = 16; [L29] signed short int var_1_12 = 25; [L30] signed short int var_1_13 = 64; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 16; [L33] float var_1_17 = 1.2; [L34] float var_1_18 = 5.8; [L35] float var_1_19 = 10.25; [L36] float var_1_20 = 2.5; [L37] signed short int var_1_21 = 200; [L38] unsigned char var_1_24 = 1; [L39] unsigned char var_1_25 = 0; [L40] signed char var_1_26 = -5; [L41] signed short int last_1_var_1_1 = -64; [L42] signed short int last_1_var_1_13 = 64; [L43] unsigned char last_1_var_1_15 = 1; [L44] signed char last_1_var_1_26 = -5; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L127] last_1_var_1_1 = var_1_1 [L128] last_1_var_1_13 = var_1_13 [L129] last_1_var_1_15 = var_1_15 [L130] last_1_var_1_26 = var_1_26 [L140] RET updateLastVariables() [L141] CALL updateVariables() [L94] var_1_5 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L96] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L97] var_1_6 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L99] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L100] var_1_7 = __VERIFIER_nondet_short() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L102] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L103] var_1_8 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L105] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L106] var_1_11 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L108] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L109] var_1_12 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L111] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L112] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L113] var_1_16 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L115] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L116] var_1_18 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L118] var_1_19 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L120] var_1_20 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L122] var_1_25 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L124] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=1, var_1_16=262, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L141] RET updateVariables() [L142] CALL step() [L48] COND FALSE !(last_1_var_1_13 == last_1_var_1_1) [L55] signed long int stepLocal_3 = (var_1_6 + var_1_8) - var_1_5; [L56] signed short int stepLocal_2 = var_1_1; [L57] COND TRUE var_1_11 < stepLocal_2 [L58] COND TRUE var_1_7 == stepLocal_3 [L59] var_1_15 = var_1_16 [L66] COND TRUE var_1_11 < 5 [L67] var_1_17 = ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))) [L69] var_1_24 = var_1_25 [L70] var_1_26 = var_1_11 [L71] COND FALSE !(\read(var_1_24)) [L76] var_1_21 = (var_1_15 - 2) [L78] unsigned char stepLocal_0 = var_1_15; [L79] COND FALSE !(\read(var_1_24)) [L82] COND FALSE !(stepLocal_0 <= (var_1_21 / var_1_12)) [L85] var_1_9 = var_1_11 [L88] signed long int stepLocal_1 = var_1_1 * (var_1_15 % var_1_12); [L89] COND FALSE !((- var_1_15) >= stepLocal_1) [L142] RET step() [L143] CALL, EXPR property() [L133-L134] return ((((((((last_1_var_1_13 == last_1_var_1_1) ? ((last_1_var_1_1 <= ((((last_1_var_1_13) > (last_1_var_1_26)) ? (last_1_var_1_13) : (last_1_var_1_26)))) ? (var_1_1 == ((signed short int) (last_1_var_1_1 + (((((last_1_var_1_15 - last_1_var_1_15)) < ((last_1_var_1_15 - last_1_var_1_15))) ? ((last_1_var_1_15 - last_1_var_1_15)) : ((last_1_var_1_15 - last_1_var_1_15))))))) : (var_1_1 == ((signed short int) (((((last_1_var_1_15 - last_1_var_1_15)) < (((last_1_var_1_15 - last_1_var_1_15) + -256))) ? ((last_1_var_1_15 - last_1_var_1_15)) : (((last_1_var_1_15 - last_1_var_1_15) + -256))))))) : 1) && (var_1_24 ? (var_1_9 == ((signed char) var_1_11)) : ((var_1_15 <= (var_1_21 / var_1_12)) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_11))))) && (((- var_1_15) >= (var_1_1 * (var_1_15 % var_1_12))) ? (var_1_13 == ((signed short int) var_1_26)) : 1)) && ((var_1_11 < var_1_1) ? ((var_1_7 == ((var_1_6 + var_1_8) - var_1_5)) ? (var_1_15 == ((unsigned char) var_1_16)) : (var_1_15 == ((unsigned char) var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && ((var_1_11 < 5) ? (var_1_17 == ((float) ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))))) : 1)) && (var_1_24 ? ((var_1_24 && var_1_24) ? (var_1_21 == ((signed short int) var_1_15)) : 1) : (var_1_21 == ((signed short int) (var_1_15 - 2))))) && (var_1_24 == ((unsigned char) var_1_25))) && (var_1_26 == ((signed char) var_1_11)) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=262, var_1_16=262, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=4, var_1_24=0, var_1_25=0, var_1_26=-65, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-65] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-65, var_1_12=3, var_1_13=64, var_1_15=262, var_1_16=262, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=4, var_1_24=0, var_1_25=0, var_1_26=-65, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-65] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 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 03:16:49,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 3008ec9f955421314ac3ef7dc0ce34edf7faa284295148d08de6e3d862d37443 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:16:52,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:16:52,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:16:52,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:16:52,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:16:52,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:16:52,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:16:52,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:16:52,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:16:52,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:16:52,812 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:16:52,812 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:16:52,812 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:16:52,812 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:16:52,812 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:16:52,812 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:16:52,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:16:52,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:16:52,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:16:52,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:16:52,814 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:16:52,815 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:16:52,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:16:52,815 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:16:52,815 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_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 -> 3008ec9f955421314ac3ef7dc0ce34edf7faa284295148d08de6e3d862d37443 [2024-11-14 03:16:53,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:16:53,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:16:53,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:16:53,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:16:53,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:16:53,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i Unable to find full path for "g++" [2024-11-14 03:16:55,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:16:55,602 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:16:55,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i [2024-11-14 03:16:55,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/data/22fadbc3d/f4f7f598b32643c2ab41fe45b9ffc0f3/FLAGb300df287 [2024-11-14 03:16:55,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/data/22fadbc3d/f4f7f598b32643c2ab41fe45b9ffc0f3 [2024-11-14 03:16:55,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:16:55,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:16:55,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:16:55,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:16:55,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:16:55,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:16:55" (1/1) ... [2024-11-14 03:16:55,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a5e8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:55, skipping insertion in model container [2024-11-14 03:16:55,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:16:55" (1/1) ... [2024-11-14 03:16:55,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:16:55,873 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_f2bea677-1333-4a05-b4d3-b0a5574c1413/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i[913,926] [2024-11-14 03:16:55,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:16:55,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:16:56,008 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_f2bea677-1333-4a05-b4d3-b0a5574c1413/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i[913,926] [2024-11-14 03:16:56,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:16:56,062 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:16:56,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56 WrapperNode [2024-11-14 03:16:56,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:16:56,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:16:56,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:16:56,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:16:56,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,115 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-14 03:16:56,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:16:56,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:16:56,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:16:56,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:16:56,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:16:56,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:16:56,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:16:56,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:16:56,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (1/1) ... [2024-11-14 03:16:56,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:16:56,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:16:56,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:16:56,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:16:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:16:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:16:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:16:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:16:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:16:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:16:56,391 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:16:56,394 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:16:57,110 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 03:16:57,110 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:16:57,122 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:16:57,122 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:16:57,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:16:57 BoogieIcfgContainer [2024-11-14 03:16:57,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:16:57,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:16:57,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:16:57,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:16:57,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:16:55" (1/3) ... [2024-11-14 03:16:57,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2dd4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:16:57, skipping insertion in model container [2024-11-14 03:16:57,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:16:56" (2/3) ... [2024-11-14 03:16:57,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2dd4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:16:57, skipping insertion in model container [2024-11-14 03:16:57,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:16:57" (3/3) ... [2024-11-14 03:16:57,136 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-91.i [2024-11-14 03:16:57,156 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:16:57,158 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-91.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:16:57,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:16:57,264 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;@1f0b293a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:16:57,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:16:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:16:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 03:16:57,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:16:57,291 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:16:57,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:16:57,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:16:57,299 INFO L85 PathProgramCache]: Analyzing trace with hash -405413102, now seen corresponding path program 1 times [2024-11-14 03:16:57,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:16:57,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948713128] [2024-11-14 03:16:57,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:16:57,317 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 03:16:57,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:16:57,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 03:16:57,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 03:16:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:16:57,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:16:57,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:16:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-14 03:16:57,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:16:57,812 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:16:57,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948713128] [2024-11-14 03:16:57,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948713128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:16:57,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:16:57,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:16:57,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999092525] [2024-11-14 03:16:57,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:16:57,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:16:57,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:16:57,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:16:57,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:16:57,848 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 03:16:57,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:16:57,874 INFO L93 Difference]: Finished difference Result 121 states and 206 transitions. [2024-11-14 03:16:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:16:57,876 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2024-11-14 03:16:57,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:16:57,883 INFO L225 Difference]: With dead ends: 121 [2024-11-14 03:16:57,883 INFO L226 Difference]: Without dead ends: 60 [2024-11-14 03:16:57,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 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 03:16:57,889 INFO L432 NwaCegarLoop]: 89 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, 89 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 03:16:57,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:16:57,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-14 03:16:57,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-14 03:16:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:16:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-11-14 03:16:57,932 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 130 [2024-11-14 03:16:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:16:57,933 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-11-14 03:16:57,933 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 03:16:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-11-14 03:16:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 03:16:57,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:16:57,938 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:16:57,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:16:58,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 03:16:58,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:16:58,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:16:58,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1217638442, now seen corresponding path program 1 times [2024-11-14 03:16:58,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:16:58,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59394401] [2024-11-14 03:16:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:16:58,141 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 03:16:58,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:16:58,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 03:16:58,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 03:16:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:16:58,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:16:58,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:16:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-14 03:16:58,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:16:58,775 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:16:58,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59394401] [2024-11-14 03:16:58,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59394401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:16:58,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:16:58,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 03:16:58,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186032606] [2024-11-14 03:16:58,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:16:58,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:16:58,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:16:58,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:16:58,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:16:58,780 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:17:00,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:17:00,181 INFO L93 Difference]: Finished difference Result 176 states and 255 transitions. [2024-11-14 03:17:00,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 03:17:00,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-11-14 03:17:00,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:17:00,185 INFO L225 Difference]: With dead ends: 176 [2024-11-14 03:17:00,185 INFO L226 Difference]: Without dead ends: 119 [2024-11-14 03:17:00,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-14 03:17:00,191 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 104 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:17:00,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 282 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 03:17:00,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-14 03:17:00,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 63. [2024-11-14 03:17:00,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 03:17:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2024-11-14 03:17:00,228 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 88 transitions. Word has length 130 [2024-11-14 03:17:00,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:17:00,230 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 88 transitions. [2024-11-14 03:17:00,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 03:17:00,231 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2024-11-14 03:17:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 03:17:00,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:17:00,233 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:17:00,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 03:17:00,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 03:17:00,434 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:17:00,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:17:00,434 INFO L85 PathProgramCache]: Analyzing trace with hash 753875961, now seen corresponding path program 1 times [2024-11-14 03:17:00,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:17:00,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151952803] [2024-11-14 03:17:00,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:17:00,435 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 03:17:00,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:17:00,437 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/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 03:17:00,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2bea677-1333-4a05-b4d3-b0a5574c1413/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 03:17:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:17:00,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 03:17:00,814 INFO L278 TraceCheckSpWp]: Computing forward predicates...