./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 236e9a83f25840205b9c3455bfa2071e05298d6f23a3b7465f829136c71d4a4c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:16:29,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:16:29,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:16:29,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:16:29,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:16:29,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:16:29,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:16:29,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:16:29,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:16:29,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:16:29,197 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:16:29,198 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:16:29,198 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:16:29,198 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:16:29,199 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:16:29,199 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:16:29,200 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:16:29,200 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:16:29,201 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:16:29,201 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:16:29,202 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:16:29,202 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:16:29,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:16:29,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:16:29,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:16:29,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:16:29,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:16:29,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:16:29,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:16:29,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:16:29,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:16:29,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:16:29,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:16:29,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:16:29,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:16:29,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:16:29,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:16:29,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:16:29,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:16:29,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:16:29,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:16:29,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:16:29,214 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:16:29,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:16:29,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:16:29,215 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:16:29,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:16:29,215 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236e9a83f25840205b9c3455bfa2071e05298d6f23a3b7465f829136c71d4a4c [2024-11-09 01:16:29,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:16:29,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:16:29,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:16:29,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:16:29,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:16:29,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i Unable to find full path for "g++" [2024-11-09 01:16:31,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:16:32,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:16:32,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i [2024-11-09 01:16:32,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/data/2ce90f388/f270dbeb9330435e9efb11100dfd5532/FLAGdf2440b29 [2024-11-09 01:16:32,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/data/2ce90f388/f270dbeb9330435e9efb11100dfd5532 [2024-11-09 01:16:32,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:16:32,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:16:32,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:16:32,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:16:32,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:16:32,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4baabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32, skipping insertion in model container [2024-11-09 01:16:32,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:16:32,358 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_683efde9-f5d6-4732-a416-558f77e9af41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i[918,931] [2024-11-09 01:16:32,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:16:32,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:16:32,432 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_683efde9-f5d6-4732-a416-558f77e9af41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i[918,931] [2024-11-09 01:16:32,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:16:32,479 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:16:32,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32 WrapperNode [2024-11-09 01:16:32,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:16:32,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:16:32,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:16:32,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:16:32,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,527 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-09 01:16:32,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:16:32,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:16:32,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:16:32,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:16:32,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:16:32,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:16:32,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:16:32,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:16:32,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (1/1) ... [2024-11-09 01:16:32,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:16:32,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:32,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:16:32,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:16:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:16:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:16:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:16:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:16:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:16:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:16:32,745 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:16:32,749 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:16:33,118 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 01:16:33,118 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:16:33,337 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:16:33,337 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:16:33,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:33 BoogieIcfgContainer [2024-11-09 01:16:33,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:16:33,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:16:33,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:16:33,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:16:33,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:16:32" (1/3) ... [2024-11-09 01:16:33,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ccb480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:16:33, skipping insertion in model container [2024-11-09 01:16:33,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:32" (2/3) ... [2024-11-09 01:16:33,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ccb480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:16:33, skipping insertion in model container [2024-11-09 01:16:33,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:33" (3/3) ... [2024-11-09 01:16:33,347 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-0.i [2024-11-09 01:16:33,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:16:33,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:16:33,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:16:33,442 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;@2ebcbcc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:16:33,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:16:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 01:16:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 01:16:33,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:33,454 INFO L215 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:33,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:16:33,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:33,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1456005875, now seen corresponding path program 1 times [2024-11-09 01:16:33,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:33,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380582001] [2024-11-09 01:16:33,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:33,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:16:33,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:16:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:16:34,008 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:16:34,010 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:16:34,012 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:16:34,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:16:34,018 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:16:34,068 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:16:34,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:16:34 BoogieIcfgContainer [2024-11-09 01:16:34,072 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:16:34,073 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:16:34,073 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:16:34,073 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:16:34,074 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:33" (3/4) ... [2024-11-09 01:16:34,076 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:16:34,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:16:34,079 INFO L158 Benchmark]: Toolchain (without parser) took 1938.69ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 81.6MB in the end (delta: 47.7MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-09 01:16:34,079 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 77.8MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:16:34,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.65ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 114.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:16:34,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.94ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 112.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:16:34,081 INFO L158 Benchmark]: Boogie Preprocessor took 32.93ms. Allocated memory is still 165.7MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:16:34,082 INFO L158 Benchmark]: RCFGBuilder took 775.95ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 124.4MB in the end (delta: -13.9MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-09 01:16:34,083 INFO L158 Benchmark]: TraceAbstraction took 731.86ms. Allocated memory is still 165.7MB. Free memory was 123.6MB in the beginning and 82.5MB in the end (delta: 41.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 01:16:34,084 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 165.7MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:16:34,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 77.8MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.65ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 114.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.94ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 112.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.93ms. Allocated memory is still 165.7MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 775.95ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 124.4MB in the end (delta: -13.9MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 731.86ms. Allocated memory is still 165.7MB. Free memory was 123.6MB in the beginning and 82.5MB in the end (delta: 41.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 165.7MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryFLOATComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] signed long int var_1_5 = 2; [L24] signed short int var_1_6 = -10; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned long int var_1_9 = 3470417420; [L28] unsigned char var_1_10 = 0; [L29] double var_1_12 = 25.6; [L30] double var_1_13 = 1.75; [L31] float var_1_14 = 5.4; [L32] float var_1_15 = 127.5; [L33] float var_1_16 = 3.5; [L34] signed long int var_1_17 = 64; [L35] signed long int last_1_var_1_1 = 0; [L36] signed long int last_1_var_1_5 = 2; [L37] signed short int last_1_var_1_6 = -10; [L38] unsigned long int last_1_var_1_7 = 1; [L39] float last_1_var_1_14 = 5.4; [L40] signed long int last_1_var_1_17 = 64; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L98] last_1_var_1_1 = var_1_1 [L99] last_1_var_1_5 = var_1_5 [L100] last_1_var_1_6 = var_1_6 [L101] last_1_var_1_7 = var_1_7 [L102] last_1_var_1_14 = var_1_14 [L103] last_1_var_1_17 = var_1_17 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L81] var_1_9 = __VERIFIER_nondet_ulong() [L82] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L83] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L84] var_1_10 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L86] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L87] var_1_12 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L89] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L90] var_1_13 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L92] var_1_15 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L94] var_1_16 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L114] RET updateVariables() [L115] CALL step() [L44] COND TRUE ((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16))) [L45] var_1_17 = ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))) [L49] COND FALSE !(last_1_var_1_7 > (- last_1_var_1_5)) [L52] var_1_1 = (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16))) [L54] COND FALSE !(last_1_var_1_17 < (- last_1_var_1_1)) [L57] COND FALSE !(var_1_17 > var_1_17) [L62] COND TRUE (var_1_12 * last_1_var_1_14) > var_1_13 [L63] COND FALSE !(var_1_9 < var_1_7) [L66] var_1_14 = var_1_15 [L71] COND TRUE var_1_6 < var_1_17 [L72] var_1_5 = ((var_1_17 - var_1_6) + var_1_6) [L74] COND FALSE !((- 8u) >= (var_1_9 - var_1_6)) [L77] var_1_8 = (((var_1_14 / var_1_12) >= var_1_14) || var_1_10) [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return (((((((last_1_var_1_7 > (- last_1_var_1_5)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_5) > ((last_1_var_1_7 + last_1_var_1_6))) ? (last_1_var_1_5) : ((last_1_var_1_7 + last_1_var_1_6)))))) : (var_1_1 == ((signed long int) (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16)))))) && ((var_1_6 < var_1_17) ? (var_1_5 == ((signed long int) ((var_1_17 - var_1_6) + var_1_6))) : 1)) && ((last_1_var_1_17 < (- last_1_var_1_1)) ? (var_1_6 == ((signed short int) (32 - last_1_var_1_6))) : 1)) && ((var_1_17 > var_1_17) ? ((var_1_6 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_6)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_14 / var_1_12) >= var_1_14) || var_1_10))))) && (((var_1_12 * last_1_var_1_14) > var_1_13) ? ((var_1_9 < var_1_7) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))))) : (var_1_17 == ((signed long int) last_1_var_1_6))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967284, var_1_15=4294967284, var_1_16=4294967284, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=1, var_1_9=4294967279] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967284, var_1_15=4294967284, var_1_16=4294967284, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=1, var_1_9=4294967279] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 9, 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=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:16:34,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 236e9a83f25840205b9c3455bfa2071e05298d6f23a3b7465f829136c71d4a4c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:16:36,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:16:36,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:16:36,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:16:36,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:16:36,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:16:36,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:16:36,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:16:36,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:16:36,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:16:36,605 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:16:36,605 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:16:36,606 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:16:36,606 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:16:36,606 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:16:36,607 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:16:36,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:16:36,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:16:36,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:16:36,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:16:36,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:16:36,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:16:36,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:16:36,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:16:36,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:16:36,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:16:36,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:16:36,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:16:36,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:16:36,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:16:36,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:16:36,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:16:36,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:16:36,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:16:36,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:16:36,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:16:36,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:16:36,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:16:36,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:16:36,622 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:16:36,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:16:36,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:16:36,635 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:16:36,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236e9a83f25840205b9c3455bfa2071e05298d6f23a3b7465f829136c71d4a4c [2024-11-09 01:16:37,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:16:37,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:16:37,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:16:37,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:16:37,126 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:16:37,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i Unable to find full path for "g++" [2024-11-09 01:16:39,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:16:39,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:16:39,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i [2024-11-09 01:16:39,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/data/b147e54fa/e4903dd53ed64e2e840927547371359a/FLAG4b8486352 [2024-11-09 01:16:39,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/data/b147e54fa/e4903dd53ed64e2e840927547371359a [2024-11-09 01:16:39,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:16:39,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:16:39,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:16:39,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:16:39,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:16:39,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:16:39" (1/1) ... [2024-11-09 01:16:39,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d023a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:39, skipping insertion in model container [2024-11-09 01:16:39,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:16:39" (1/1) ... [2024-11-09 01:16:39,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:16:40,231 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_683efde9-f5d6-4732-a416-558f77e9af41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i[918,931] [2024-11-09 01:16:40,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:16:40,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:16:40,376 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_683efde9-f5d6-4732-a416-558f77e9af41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-0.i[918,931] [2024-11-09 01:16:40,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:16:40,464 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:16:40,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40 WrapperNode [2024-11-09 01:16:40,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:16:40,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:16:40,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:16:40,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:16:40,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,532 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-09 01:16:40,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:16:40,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:16:40,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:16:40,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:16:40,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:16:40,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:16:40,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:16:40,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:16:40,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (1/1) ... [2024-11-09 01:16:40,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:16:40,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:40,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:16:40,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:16:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:16:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:16:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:16:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:16:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:16:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:16:40,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:16:40,882 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:16:53,990 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 01:16:53,991 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:16:54,008 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:16:54,010 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:16:54,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:54 BoogieIcfgContainer [2024-11-09 01:16:54,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:16:54,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:16:54,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:16:54,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:16:54,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:16:39" (1/3) ... [2024-11-09 01:16:54,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126dcf7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:16:54, skipping insertion in model container [2024-11-09 01:16:54,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:40" (2/3) ... [2024-11-09 01:16:54,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126dcf7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:16:54, skipping insertion in model container [2024-11-09 01:16:54,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:54" (3/3) ... [2024-11-09 01:16:54,023 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-0.i [2024-11-09 01:16:54,040 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:16:54,040 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:16:54,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:16:54,130 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;@47ec5322, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:16:54,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:16:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 01:16:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 01:16:54,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:54,145 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:54,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:16:54,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:54,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1134737847, now seen corresponding path program 1 times [2024-11-09 01:16:54,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:16:54,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33158404] [2024-11-09 01:16:54,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:54,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:16:54,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:16:54,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:16:54,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 01:16:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:56,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:16:56,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 01:16:56,273 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:56,274 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:16:56,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33158404] [2024-11-09 01:16:56,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33158404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:56,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:56,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:16:56,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579701828] [2024-11-09 01:16:56,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:56,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:16:56,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:16:56,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:16:56,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:16:56,315 INFO L87 Difference]: Start difference. First operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:56,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:56,347 INFO L93 Difference]: Finished difference Result 78 states and 127 transitions. [2024-11-09 01:16:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:16:56,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2024-11-09 01:16:56,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:56,360 INFO L225 Difference]: With dead ends: 78 [2024-11-09 01:16:56,360 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 01:16:56,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:16:56,369 INFO L432 NwaCegarLoop]: 53 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, 53 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:56,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:16:56,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 01:16:56,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 01:16:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 01:16:56,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2024-11-09 01:16:56,427 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 67 [2024-11-09 01:16:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:56,428 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2024-11-09 01:16:56,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-09 01:16:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 01:16:56,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:56,433 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:56,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 01:16:56,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:16:56,634 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:16:56,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:56,635 INFO L85 PathProgramCache]: Analyzing trace with hash 622760957, now seen corresponding path program 1 times [2024-11-09 01:16:56,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:16:56,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70559349] [2024-11-09 01:16:56,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:56,636 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:16:56,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:16:56,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:16:56,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 01:16:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:58,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:16:58,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 01:17:03,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:17:03,648 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:17:03,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70559349] [2024-11-09 01:17:03,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70559349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:03,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:17:03,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:17:03,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798997742] [2024-11-09 01:17:03,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:03,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:17:03,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:17:03,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:17:03,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:17:03,658 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 01:17:06,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:08,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:10,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:13,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:15,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:15,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:15,938 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-11-09 01:17:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:17:16,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2024-11-09 01:17:16,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:16,178 INFO L225 Difference]: With dead ends: 116 [2024-11-09 01:17:16,178 INFO L226 Difference]: Without dead ends: 81 [2024-11-09 01:17:16,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:17:16,180 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 51 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 19 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:16,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 147 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 11 Invalid, 5 Unknown, 0 Unchecked, 12.0s Time] [2024-11-09 01:17:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-09 01:17:16,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2024-11-09 01:17:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 01:17:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 101 transitions. [2024-11-09 01:17:16,208 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 101 transitions. Word has length 67 [2024-11-09 01:17:16,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:16,209 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 101 transitions. [2024-11-09 01:17:16,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 01:17:16,209 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2024-11-09 01:17:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 01:17:16,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:16,212 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:16,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 01:17:16,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:17:16,413 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:17:16,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:16,414 INFO L85 PathProgramCache]: Analyzing trace with hash 229733947, now seen corresponding path program 1 times [2024-11-09 01:17:16,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:17:16,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53545316] [2024-11-09 01:17:16,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:16,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:17:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:17:16,417 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:17:16,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 01:17:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:18,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:17:18,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 01:17:23,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:17:23,751 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:17:23,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53545316] [2024-11-09 01:17:23,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53545316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:23,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:17:23,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:17:23,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524791714] [2024-11-09 01:17:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:23,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:17:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:17:23,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:17:23,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:17:23,756 INFO L87 Difference]: Start difference. First operand 71 states and 101 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 01:17:26,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:28,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:30,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:33,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:35,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:38,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:40,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:42,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:45,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:47,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:47,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:47,199 INFO L93 Difference]: Finished difference Result 181 states and 257 transitions. [2024-11-09 01:17:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:17:47,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2024-11-09 01:17:47,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:47,432 INFO L225 Difference]: With dead ends: 181 [2024-11-09 01:17:47,432 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 01:17:47,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:17:47,434 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 30 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 19 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:47,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 136 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 12 Invalid, 10 Unknown, 0 Unchecked, 23.2s Time] [2024-11-09 01:17:47,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 01:17:47,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2024-11-09 01:17:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.25) internal successors, (80), 64 states have internal predecessors, (80), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 01:17:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2024-11-09 01:17:47,462 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 67 [2024-11-09 01:17:47,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:47,463 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2024-11-09 01:17:47,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 01:17:47,464 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2024-11-09 01:17:47,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 01:17:47,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:47,465 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:47,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 01:17:47,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:17:47,667 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:17:47,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:47,668 INFO L85 PathProgramCache]: Analyzing trace with hash 909792317, now seen corresponding path program 1 times [2024-11-09 01:17:47,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:17:47,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082243389] [2024-11-09 01:17:47,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:47,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:17:47,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:17:47,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:17:47,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683efde9-f5d6-4732-a416-558f77e9af41/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 01:17:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:49,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 01:17:49,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:18:38,436 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (or (fp.lt c_~last_1_var_1_14~0 c_~var_1_16~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0))) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 01:18:40,523 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (or (fp.lt c_~last_1_var_1_14~0 c_~var_1_16~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0))) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-09 01:19:17,789 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 01:19:19,872 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-09 01:21:00,766 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 01:21:02,890 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-09 01:21:58,847 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_5~0 (let ((.cse2 ((_ sign_extend 16) c_~var_1_6~0))) (bvadd .cse2 (bvneg .cse2) c_~var_1_17~0)))) is different from false [2024-11-09 01:22:00,970 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_5~0 (let ((.cse2 ((_ sign_extend 16) c_~var_1_6~0))) (bvadd .cse2 (bvneg .cse2) c_~var_1_17~0)))) is different from true [2024-11-09 01:23:12,016 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 16) c_~var_1_6~0))) (let ((.cse2 (bvneg .cse4))) (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (bvuge (_ bv4294967288 32) (bvadd c_~var_1_9~0 .cse2)) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv1 32) c_~var_1_7~0) (let ((.cse3 (= (_ bv0 8) c_~var_1_10~0))) (or (and (= (_ bv1 8) c_~var_1_8~0) .cse3) (and (not .cse3) (= (_ bv0 8) c_~var_1_8~0)))) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_5~0 (bvadd .cse4 .cse2 c_~var_1_17~0))))) is different from false [2024-11-09 01:23:14,144 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 16) c_~var_1_6~0))) (let ((.cse2 (bvneg .cse4))) (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (let ((.cse1 ((_ sign_extend 16) c_~last_1_var_1_6~0))) (let ((.cse0 (bvsgt (_ bv0 32) .cse1))) (or (and (not .cse0) (= c_~var_1_17~0 .cse1)) (and .cse0 (= (_ bv0 32) c_~var_1_17~0))))) (bvuge (_ bv4294967288 32) (bvadd c_~var_1_9~0 .cse2)) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv1 32) c_~var_1_7~0) (let ((.cse3 (= (_ bv0 8) c_~var_1_10~0))) (or (and (= (_ bv1 8) c_~var_1_8~0) .cse3) (and (not .cse3) (= (_ bv0 8) c_~var_1_8~0)))) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_5~0 (bvadd .cse4 .cse2 c_~var_1_17~0))))) is different from true