./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2 --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 8407555b2f77085f3aee4d6c3624a1f27ddb5ca7ca65bbc521a0be32e1f17ee0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:26:08,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:26:08,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:26:08,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:26:08,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:26:08,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:26:08,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:26:08,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:26:08,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:26:08,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:26:08,273 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:26:08,273 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:26:08,274 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:26:08,274 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:26:08,274 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:26:08,275 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:26:08,275 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:26:08,276 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:26:08,276 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:26:08,276 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:26:08,277 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:26:08,277 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:26:08,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:26:08,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:26:08,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:26:08,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:26:08,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:26:08,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:26:08,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:26:08,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:26:08,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:26:08,282 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:26:08,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:26:08,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:26:08,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:26:08,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:26:08,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:26:08,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:26:08,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:26:08,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:26:08,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:26:08,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:26:08,287 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:26:08,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:26:08,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:26:08,288 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:26:08,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:26:08,289 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_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8407555b2f77085f3aee4d6c3624a1f27ddb5ca7ca65bbc521a0be32e1f17ee0 [2024-11-02 11:26:08,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:26:08,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:26:08,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:26:08,623 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:26:08,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:26:08,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i Unable to find full path for "g++" [2024-11-02 11:26:10,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:26:10,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:26:10,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i [2024-11-02 11:26:10,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/data/418781b5e/a57817183d3c459da18ff27ddb547bc9/FLAG72460c7d8 [2024-11-02 11:26:11,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/data/418781b5e/a57817183d3c459da18ff27ddb547bc9 [2024-11-02 11:26:11,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:26:11,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:26:11,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:26:11,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:26:11,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:26:11,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:11,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcef2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11, skipping insertion in model container [2024-11-02 11:26:11,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:11,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:26:11,659 WARN L251 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_bc345f03-65e5-4092-873d-95b8e9491061/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i[916,929] [2024-11-02 11:26:11,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:26:11,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:26:11,838 WARN L251 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_bc345f03-65e5-4092-873d-95b8e9491061/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i[916,929] [2024-11-02 11:26:11,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:26:11,927 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:26:11,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11 WrapperNode [2024-11-02 11:26:11,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:26:11,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:26:11,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:26:11,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:26:11,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:11,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,070 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2024-11-02 11:26:12,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:26:12,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:26:12,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:26:12,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:26:12,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:26:12,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:26:12,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:26:12,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:26:12,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (1/1) ... [2024-11-02 11:26:12,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:26:12,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:26:12,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:26:12,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:26:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:26:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:26:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:26:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:26:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:26:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:26:12,471 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:26:12,478 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:26:13,093 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-02 11:26:13,093 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:26:13,380 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:26:13,381 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:26:13,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:13 BoogieIcfgContainer [2024-11-02 11:26:13,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:26:13,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:26:13,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:26:13,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:26:13,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:26:11" (1/3) ... [2024-11-02 11:26:13,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38492e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:13, skipping insertion in model container [2024-11-02 11:26:13,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:11" (2/3) ... [2024-11-02 11:26:13,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38492e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:13, skipping insertion in model container [2024-11-02 11:26:13,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:13" (3/3) ... [2024-11-02 11:26:13,394 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-99.i [2024-11-02 11:26:13,415 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:26:13,415 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:26:13,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:26:13,528 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;@61ea4cb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:26:13,528 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:26:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-02 11:26:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-02 11:26:13,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:13,542 INFO L215 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:13,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:13,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:13,548 INFO L85 PathProgramCache]: Analyzing trace with hash 847355593, now seen corresponding path program 1 times [2024-11-02 11:26:13,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:26:13,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144727652] [2024-11-02 11:26:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:26:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:26:14,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:26:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:26:14,998 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:26:15,000 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:26:15,002 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:26:15,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:26:15,009 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:26:15,157 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:26:15,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:26:15 BoogieIcfgContainer [2024-11-02 11:26:15,161 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:26:15,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:26:15,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:26:15,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:26:15,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:13" (3/4) ... [2024-11-02 11:26:15,168 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:26:15,169 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:26:15,171 INFO L158 Benchmark]: Toolchain (without parser) took 3824.14ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 116.3MB in the beginning and 159.3MB in the end (delta: -43.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-11-02 11:26:15,171 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:26:15,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.77ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 97.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-02 11:26:15,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.81ms. Allocated memory is still 155.2MB. Free memory was 97.4MB in the beginning and 91.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 11:26:15,174 INFO L158 Benchmark]: Boogie Preprocessor took 105.26ms. Allocated memory is still 155.2MB. Free memory was 91.2MB in the beginning and 88.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:26:15,175 INFO L158 Benchmark]: RCFGBuilder took 1203.62ms. Allocated memory is still 155.2MB. Free memory was 88.2MB in the beginning and 56.8MB in the end (delta: 31.3MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-02 11:26:15,176 INFO L158 Benchmark]: TraceAbstraction took 1776.50ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 56.0MB in the beginning and 160.4MB in the end (delta: -104.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-02 11:26:15,178 INFO L158 Benchmark]: Witness Printer took 7.33ms. Allocated memory is still 199.2MB. Free memory was 160.4MB in the beginning and 159.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:26:15,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.77ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 97.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.81ms. Allocated memory is still 155.2MB. Free memory was 97.4MB in the beginning and 91.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.26ms. Allocated memory is still 155.2MB. Free memory was 91.2MB in the beginning and 88.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1203.62ms. Allocated memory is still 155.2MB. Free memory was 88.2MB in the beginning and 56.8MB in the end (delta: 31.3MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1776.50ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 56.0MB in the beginning and 160.4MB in the end (delta: -104.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 7.33ms. Allocated memory is still 199.2MB. Free memory was 160.4MB in the beginning and 159.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryArithmeticFLOAToperation at line 154. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 8; [L23] unsigned char var_1_4 = 200; [L24] unsigned char var_1_5 = 0; [L25] unsigned long int var_1_6 = 1000000; [L26] signed short int var_1_7 = -1; [L27] unsigned char var_1_8 = 1; [L28] unsigned char var_1_9 = 0; [L29] signed short int var_1_10 = 128; [L30] unsigned char var_1_12 = 1; [L31] unsigned char var_1_14 = 128; [L32] unsigned char var_1_15 = 25; [L33] unsigned char var_1_16 = 1; [L34] float var_1_17 = 1.25; [L35] float var_1_18 = 3.5; [L36] float var_1_19 = 127.45; [L37] float var_1_20 = 1.5; [L38] float var_1_21 = 24.4; [L39] float var_1_22 = 0.8; [L40] unsigned char var_1_23 = 4; [L41] unsigned char var_1_24 = 0; [L42] unsigned char var_1_25 = 8; [L43] unsigned char var_1_26 = 64; [L44] signed short int var_1_27 = 256; [L45] unsigned char var_1_28 = 1; [L46] unsigned char var_1_30 = 0; [L47] unsigned char var_1_31 = 0; [L48] unsigned char last_1_var_1_1 = 8; [L49] unsigned long int last_1_var_1_6 = 1000000; [L50] signed short int last_1_var_1_7 = -1; [L51] unsigned char last_1_var_1_12 = 1; [L52] float last_1_var_1_17 = 1.25; [L53] unsigned char last_1_var_1_23 = 4; [L54] unsigned char last_1_var_1_25 = 8; [L55] unsigned char last_1_var_1_28 = 1; [L219] isInitial = 1 [L220] FCALL initially() [L221] COND TRUE 1 [L222] CALL updateLastVariables() [L205] last_1_var_1_1 = var_1_1 [L206] last_1_var_1_6 = var_1_6 [L207] last_1_var_1_7 = var_1_7 [L208] last_1_var_1_12 = var_1_12 [L209] last_1_var_1_17 = var_1_17 [L210] last_1_var_1_23 = var_1_23 [L211] last_1_var_1_25 = var_1_25 [L212] last_1_var_1_28 = var_1_28 [L222] RET updateLastVariables() [L223] CALL updateVariables() [L163] var_1_4 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L165] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=0, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L166] var_1_5 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L168] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=0] [L169] var_1_9 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1] [L171] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=128, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L172] var_1_14 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_14 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_14 >= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L174] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=25, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L175] var_1_15 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L177] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=1, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L178] var_1_16 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L180] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_18=7/2, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L181] var_1_18 = __VERIFIER_nondet_float() [L182] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_19=2549/20, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L183] var_1_19 = __VERIFIER_nondet_float() [L184] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_20=3/2, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L185] var_1_20 = __VERIFIER_nondet_float() [L186] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_21=122/5, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L187] var_1_21 = __VERIFIER_nondet_float() [L188] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_22=4/5, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L189] var_1_22 = __VERIFIER_nondet_float() [L190] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=0, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L191] var_1_24 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L193] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=64, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L194] var_1_26 = __VERIFIER_nondet_uchar() [L195] CALL assume_abort_if_not(var_1_26 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_26 >= 63) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L196] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=0, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L197] var_1_30 = __VERIFIER_nondet_uchar() [L198] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L199] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=256, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=256, var_1_31=0, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L200] var_1_31 = __VERIFIER_nondet_uchar() [L201] CALL assume_abort_if_not(var_1_31 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=256, var_1_31=1, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_31 >= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=256, var_1_31=1, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L202] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=256, var_1_31=1, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L202] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=128, var_1_12=1, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=5/4, var_1_1=8, var_1_23=4, var_1_24=-251, var_1_25=8, var_1_26=63, var_1_27=256, var_1_28=1, var_1_30=256, var_1_31=1, var_1_4=127, var_1_5=639, var_1_6=1000000, var_1_7=-1, var_1_8=1, var_1_9=256] [L223] RET updateVariables() [L224] CALL step() [L59] signed long int stepLocal_5 = last_1_var_1_7; [L60] signed long int stepLocal_4 = last_1_var_1_7; [L61] signed long int stepLocal_3 = last_1_var_1_1; [L62] COND TRUE stepLocal_4 > last_1_var_1_6 [L63] COND TRUE stepLocal_5 < last_1_var_1_25 [L64] COND FALSE !(stepLocal_3 <= last_1_var_1_12) [L67] var_1_12 = (((((var_1_5) < (var_1_15)) ? (var_1_5) : (var_1_15))) + var_1_16) [L73] COND FALSE !(last_1_var_1_25 < last_1_var_1_1) [L80] var_1_28 = var_1_31 [L82] COND FALSE !(var_1_21 != var_1_19) [L89] var_1_25 = (var_1_14 - (var_1_26 - var_1_24)) [L91] unsigned char stepLocal_0 = ! var_1_28; [L92] COND FALSE !(stepLocal_0 && var_1_28) [L95] COND TRUE \read(var_1_28) [L96] var_1_1 = var_1_5 [L101] var_1_7 = var_1_5 [L102] unsigned char stepLocal_2 = var_1_12; [L103] COND TRUE stepLocal_2 == ((((var_1_7) > (var_1_12)) ? (var_1_7) : (var_1_12))) [L104] COND FALSE !(! (var_1_12 > ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4))))) [L108] COND FALSE !(var_1_12 < var_1_12) [L111] COND TRUE \read(var_1_28) [L112] var_1_10 = var_1_4 [L117] unsigned char stepLocal_10 = var_1_9; [L118] signed short int stepLocal_9 = var_1_10; [L119] unsigned char stepLocal_8 = var_1_15; [L120] COND TRUE \read(var_1_28) [L121] var_1_27 = var_1_5 [L135] unsigned char stepLocal_1 = var_1_4 > 2; [L136] COND TRUE \read(var_1_28) [L137] var_1_6 = (var_1_4 + var_1_27) [L143] signed short int stepLocal_7 = var_1_27; [L144] COND TRUE \read(var_1_8) [L145] COND FALSE !(stepLocal_7 <= last_1_var_1_23) [L148] var_1_23 = ((200 - var_1_24) - 64) [L151] signed short int stepLocal_6 = var_1_10; [L152] COND TRUE \read(var_1_8) [L153] COND TRUE stepLocal_6 <= var_1_23 [L154] var_1_17 = ((((((1.0000000000000012E14f + var_1_18)) < (var_1_19)) ? ((1.0000000000000012E14f + var_1_18)) : (var_1_19))) + var_1_20) [L224] RET step() [L225] CALL, EXPR property() [L215-L216] return ((((((((((((! var_1_28) && var_1_28) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_28 ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) 1)))) && (var_1_28 ? (var_1_6 == ((unsigned long int) (var_1_4 + var_1_27))) : (((var_1_4 > 2) && var_1_8) ? (var_1_6 == ((unsigned long int) ((((var_1_27) > (var_1_4)) ? (var_1_27) : (var_1_4))))) : 1))) && (var_1_7 == ((signed short int) var_1_5))) && ((var_1_12 == ((((var_1_7) > (var_1_12)) ? (var_1_7) : (var_1_12)))) ? ((! (var_1_12 > ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4))))) ? (var_1_8 == ((unsigned char) var_1_9)) : 1) : 1)) && ((var_1_12 < var_1_12) ? (var_1_10 == ((signed short int) (var_1_25 - ((((var_1_5) < (16)) ? (var_1_5) : (16)))))) : (var_1_28 ? (var_1_10 == ((signed short int) var_1_4)) : (var_1_10 == ((signed short int) var_1_25))))) && ((last_1_var_1_7 > last_1_var_1_6) ? ((last_1_var_1_7 < last_1_var_1_25) ? ((last_1_var_1_1 <= last_1_var_1_12) ? (var_1_12 == ((unsigned char) (((((var_1_4) < (var_1_14)) ? (var_1_4) : (var_1_14))) - var_1_5))) : (var_1_12 == ((unsigned char) (((((var_1_5) < (var_1_15)) ? (var_1_5) : (var_1_15))) + var_1_16)))) : (var_1_12 == ((unsigned char) var_1_16))) : 1)) && (var_1_8 ? ((var_1_10 <= var_1_23) ? (var_1_17 == ((float) ((((((1.0000000000000012E14f + var_1_18)) < (var_1_19)) ? ((1.0000000000000012E14f + var_1_18)) : (var_1_19))) + var_1_20))) : (var_1_17 == ((float) (var_1_21 - var_1_22)))) : (var_1_17 == ((float) var_1_21)))) && (var_1_8 ? ((var_1_27 <= last_1_var_1_23) ? (var_1_23 == ((unsigned char) 10)) : (var_1_23 == ((unsigned char) ((200 - var_1_24) - 64)))) : 1)) && ((var_1_21 != var_1_19) ? (var_1_28 ? (var_1_25 == ((unsigned char) ((((var_1_24) < (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) ? (var_1_24) : (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))))))) : (var_1_25 == ((unsigned char) ((((4) > (var_1_5)) ? (4) : (var_1_5)))))) : (var_1_25 == ((unsigned char) (var_1_14 - (var_1_26 - var_1_24)))))) && (var_1_28 ? (var_1_27 == ((signed short int) var_1_5)) : (var_1_28 ? ((var_1_10 <= var_1_15) ? (var_1_27 == ((signed short int) -10)) : 1) : ((var_1_10 <= (var_1_4 - var_1_5)) ? ((var_1_9 || (var_1_19 < var_1_20)) ? (var_1_27 == ((signed short int) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + ((((var_1_14) > (var_1_10)) ? (var_1_14) : (var_1_10)))))) : 1) : 1)))) && ((last_1_var_1_25 < last_1_var_1_1) ? (((- last_1_var_1_17) < ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) ? (var_1_28 == ((unsigned char) ((last_1_var_1_28 || var_1_9) && var_1_30))) : (var_1_28 == ((unsigned char) var_1_30))) : (var_1_28 == ((unsigned char) var_1_31))) ; [L225] RET, EXPR property() [L225] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=127, var_1_12=128, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=1000005, var_1_1=639, var_1_21=1000005, var_1_23=131, var_1_24=-251, var_1_25=127, var_1_26=63, var_1_27=127, var_1_28=1, var_1_30=256, var_1_31=1, var_1_4=127, var_1_5=639, var_1_6=254, var_1_7=127, var_1_8=1, var_1_9=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_17=5/4, last_1_var_1_1=8, last_1_var_1_23=4, last_1_var_1_25=8, last_1_var_1_28=1, last_1_var_1_6=1000000, last_1_var_1_7=-1, var_1_10=127, var_1_12=128, var_1_14=-15687, var_1_15=122, var_1_16=6, var_1_17=1000005, var_1_1=639, var_1_21=1000005, var_1_23=131, var_1_24=-251, var_1_25=127, var_1_26=63, var_1_27=127, var_1_28=1, var_1_30=256, var_1_31=1, var_1_4=127, var_1_5=639, var_1_6=254, var_1_7=127, var_1_8=1, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 25, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 [2024-11-02 11:26:15,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2 --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 8407555b2f77085f3aee4d6c3624a1f27ddb5ca7ca65bbc521a0be32e1f17ee0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:26:17,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:26:17,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:26:17,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:26:17,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:26:17,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:26:17,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:26:17,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:26:17,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:26:17,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:26:17,957 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:26:17,958 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:26:17,958 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:26:17,959 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:26:17,962 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:26:17,963 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:26:17,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:26:17,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:26:17,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:26:17,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:26:17,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:26:17,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:26:17,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:26:17,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:26:17,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:26:17,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:26:17,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:26:17,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:26:17,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:26:17,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:26:17,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:26:17,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:26:17,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:26:17,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:26:17,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:26:17,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:26:17,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:26:17,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:26:17,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:26:17,974 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:26:17,985 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:26:17,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:26:17,985 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:26:17,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:26:17,986 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8407555b2f77085f3aee4d6c3624a1f27ddb5ca7ca65bbc521a0be32e1f17ee0 [2024-11-02 11:26:18,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:26:18,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:26:18,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:26:18,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:26:18,486 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:26:18,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i Unable to find full path for "g++" [2024-11-02 11:26:20,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:26:21,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:26:21,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i [2024-11-02 11:26:21,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/data/e86bb6c42/01509049d90d43c683180be5ee2415d2/FLAG2b263aecd [2024-11-02 11:26:21,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/data/e86bb6c42/01509049d90d43c683180be5ee2415d2 [2024-11-02 11:26:21,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:26:21,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:26:21,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:26:21,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:26:21,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:26:21,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:21,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b319bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21, skipping insertion in model container [2024-11-02 11:26:21,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:21,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:26:21,559 WARN L251 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_bc345f03-65e5-4092-873d-95b8e9491061/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i[916,929] [2024-11-02 11:26:21,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:26:21,812 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:26:21,830 WARN L251 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_bc345f03-65e5-4092-873d-95b8e9491061/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-99.i[916,929] [2024-11-02 11:26:21,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:26:21,956 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:26:21,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21 WrapperNode [2024-11-02 11:26:21,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:26:21,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:26:21,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:26:21,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:26:21,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:21,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,041 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2024-11-02 11:26:22,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:26:22,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:26:22,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:26:22,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:26:22,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:26:22,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:26:22,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:26:22,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:26:22,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (1/1) ... [2024-11-02 11:26:22,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:26:22,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:26:22,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:26:22,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:26:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:26:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:26:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:26:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:26:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:26:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:26:22,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:26:22,318 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:26:23,569 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-02 11:26:23,569 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:26:23,590 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:26:23,591 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:26:23,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:23 BoogieIcfgContainer [2024-11-02 11:26:23,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:26:23,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:26:23,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:26:23,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:26:23,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:26:21" (1/3) ... [2024-11-02 11:26:23,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22854e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:23, skipping insertion in model container [2024-11-02 11:26:23,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:21" (2/3) ... [2024-11-02 11:26:23,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22854e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:23, skipping insertion in model container [2024-11-02 11:26:23,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:23" (3/3) ... [2024-11-02 11:26:23,601 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-99.i [2024-11-02 11:26:23,623 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:26:23,623 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:26:23,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:26:23,714 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;@5f2396fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:26:23,714 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:26:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 62 states have internal predecessors, (90), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-02 11:26:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-02 11:26:23,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:23,743 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:23,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:23,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:23,751 INFO L85 PathProgramCache]: Analyzing trace with hash 30523677, now seen corresponding path program 1 times [2024-11-02 11:26:23,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:26:23,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966946182] [2024-11-02 11:26:23,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:23,770 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 [2024-11-02 11:26:23,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:26:23,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:26:23,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:24,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:26:24,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:26:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2024-11-02 11:26:24,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:26:24,322 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:26:24,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966946182] [2024-11-02 11:26:24,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [966946182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:24,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:24,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:26:24,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128214953] [2024-11-02 11:26:24,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:24,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:26:24,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:26:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:26:24,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:26:24,372 INFO L87 Difference]: Start difference. First operand has 89 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 62 states have internal predecessors, (90), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-02 11:26:24,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:24,422 INFO L93 Difference]: Finished difference Result 171 states and 299 transitions. [2024-11-02 11:26:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:26:24,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2024-11-02 11:26:24,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:24,437 INFO L225 Difference]: With dead ends: 171 [2024-11-02 11:26:24,437 INFO L226 Difference]: Without dead ends: 85 [2024-11-02 11:26:24,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:26:24,450 INFO L432 NwaCegarLoop]: 132 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, 132 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 [2024-11-02 11:26:24,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:26:24,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-02 11:26:24,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-02 11:26:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 58 states have internal predecessors, (82), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-02 11:26:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 132 transitions. [2024-11-02 11:26:24,522 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 132 transitions. Word has length 165 [2024-11-02 11:26:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:24,525 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 132 transitions. [2024-11-02 11:26:24,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-02 11:26:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2024-11-02 11:26:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-02 11:26:24,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:24,536 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:24,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:24,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:24,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:24,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:24,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1247852466, now seen corresponding path program 1 times [2024-11-02 11:26:24,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:26:24,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378160904] [2024-11-02 11:26:24,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:24,743 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 [2024-11-02 11:26:24,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:26:24,746 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:26:24,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:25,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 11:26:25,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:26:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-02 11:26:26,962 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:26:26,962 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:26:26,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378160904] [2024-11-02 11:26:26,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378160904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:26,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:26,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 11:26:26,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898484367] [2024-11-02 11:26:26,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:26,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:26:26,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:26:26,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:26:26,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:26:26,967 INFO L87 Difference]: Start difference. First operand 85 states and 132 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 11:26:29,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:29,176 INFO L93 Difference]: Finished difference Result 250 states and 391 transitions. [2024-11-02 11:26:29,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:26:29,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 166 [2024-11-02 11:26:29,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:29,190 INFO L225 Difference]: With dead ends: 250 [2024-11-02 11:26:29,190 INFO L226 Difference]: Without dead ends: 168 [2024-11-02 11:26:29,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 11:26:29,193 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 99 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:29,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 448 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-02 11:26:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-02 11:26:29,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 132. [2024-11-02 11:26:29,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-02 11:26:29,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 203 transitions. [2024-11-02 11:26:29,256 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 203 transitions. Word has length 166 [2024-11-02 11:26:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:29,257 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 203 transitions. [2024-11-02 11:26:29,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 11:26:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2024-11-02 11:26:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-02 11:26:29,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:29,264 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:29,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:29,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:29,466 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:29,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:29,467 INFO L85 PathProgramCache]: Analyzing trace with hash -496221856, now seen corresponding path program 1 times [2024-11-02 11:26:29,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:26:29,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814110918] [2024-11-02 11:26:29,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:29,470 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 [2024-11-02 11:26:29,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:26:29,473 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:26:29,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:29,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 11:26:29,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:26:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-02 11:26:30,609 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:26:30,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:26:30,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814110918] [2024-11-02 11:26:30,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814110918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:30,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:30,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 11:26:30,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044276361] [2024-11-02 11:26:30,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:30,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:26:30,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:26:30,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:26:30,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:26:30,618 INFO L87 Difference]: Start difference. First operand 132 states and 203 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 11:26:32,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:32,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:32,612 INFO L93 Difference]: Finished difference Result 250 states and 390 transitions. [2024-11-02 11:26:32,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:26:32,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 167 [2024-11-02 11:26:32,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:32,627 INFO L225 Difference]: With dead ends: 250 [2024-11-02 11:26:32,627 INFO L226 Difference]: Without dead ends: 168 [2024-11-02 11:26:32,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 11:26:32,629 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 97 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:32,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 503 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-02 11:26:32,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-02 11:26:32,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 133. [2024-11-02 11:26:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-02 11:26:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 204 transitions. [2024-11-02 11:26:32,676 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 204 transitions. Word has length 167 [2024-11-02 11:26:32,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:32,677 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 204 transitions. [2024-11-02 11:26:32,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 11:26:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 204 transitions. [2024-11-02 11:26:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 11:26:32,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:32,685 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:32,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:32,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:32,886 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:32,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:32,886 INFO L85 PathProgramCache]: Analyzing trace with hash 929300163, now seen corresponding path program 1 times [2024-11-02 11:26:32,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:26:32,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321359414] [2024-11-02 11:26:32,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:32,888 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 [2024-11-02 11:26:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:26:32,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:26:32,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:33,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 11:26:33,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:26:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-02 11:26:34,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:26:34,641 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:26:34,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321359414] [2024-11-02 11:26:34,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321359414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:34,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:34,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 11:26:34,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970628891] [2024-11-02 11:26:34,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:34,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:26:34,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:26:34,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:26:34,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:26:34,644 INFO L87 Difference]: Start difference. First operand 133 states and 204 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 11:26:35,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:35,947 INFO L93 Difference]: Finished difference Result 250 states and 389 transitions. [2024-11-02 11:26:35,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:26:35,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 168 [2024-11-02 11:26:35,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:35,958 INFO L225 Difference]: With dead ends: 250 [2024-11-02 11:26:35,958 INFO L226 Difference]: Without dead ends: 168 [2024-11-02 11:26:35,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 11:26:35,960 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 81 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:35,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 435 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-02 11:26:35,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-02 11:26:36,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 134. [2024-11-02 11:26:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 81 states have (on average 1.2962962962962963) internal successors, (105), 81 states have internal predecessors, (105), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-02 11:26:36,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 205 transitions. [2024-11-02 11:26:36,009 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 205 transitions. Word has length 168 [2024-11-02 11:26:36,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:36,010 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 205 transitions. [2024-11-02 11:26:36,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 11:26:36,010 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 205 transitions. [2024-11-02 11:26:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 11:26:36,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:36,013 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:36,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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)] Forceful destruction successful, exit code 0 [2024-11-02 11:26:36,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:36,214 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:36,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:36,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1352001989, now seen corresponding path program 1 times [2024-11-02 11:26:36,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:26:36,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356144211] [2024-11-02 11:26:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:36,216 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 [2024-11-02 11:26:36,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:26:36,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:26:36,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-02 11:26:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:36,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-02 11:26:36,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:26:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-02 11:26:36,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:26:36,996 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:26:36,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356144211] [2024-11-02 11:26:36,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356144211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:36,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:36,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-02 11:26:36,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247832959] [2024-11-02 11:26:36,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:36,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-02 11:26:36,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:26:37,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-02 11:26:37,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-02 11:26:37,002 INFO L87 Difference]: Start difference. First operand 134 states and 205 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-02 11:26:40,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:40,512 INFO L93 Difference]: Finished difference Result 319 states and 474 transitions. [2024-11-02 11:26:40,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-02 11:26:40,513 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 168 [2024-11-02 11:26:40,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:40,515 INFO L225 Difference]: With dead ends: 319 [2024-11-02 11:26:40,516 INFO L226 Difference]: Without dead ends: 237 [2024-11-02 11:26:40,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2024-11-02 11:26:40,518 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 243 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:40,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 759 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-02 11:26:40,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-02 11:26:40,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 160. [2024-11-02 11:26:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 104 states have internal predecessors, (131), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-02 11:26:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 231 transitions. [2024-11-02 11:26:40,561 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 231 transitions. Word has length 168 [2024-11-02 11:26:40,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:40,563 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 231 transitions. [2024-11-02 11:26:40,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-02 11:26:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 231 transitions. [2024-11-02 11:26:40,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-02 11:26:40,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:40,568 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:40,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-02 11:26:40,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:40,776 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:40,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1616513376, now seen corresponding path program 1 times [2024-11-02 11:26:40,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:26:40,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003313959] [2024-11-02 11:26:40,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:40,779 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 [2024-11-02 11:26:40,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:26:40,782 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:26:40,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 (7)] Waiting until timeout for monitored process [2024-11-02 11:26:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:41,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 11:26:41,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:26:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-02 11:26:41,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:26:41,662 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:26:41,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003313959] [2024-11-02 11:26:41,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003313959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:41,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:41,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:26:41,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786879619] [2024-11-02 11:26:41,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:41,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:26:41,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:26:41,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:26:41,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:26:41,665 INFO L87 Difference]: Start difference. First operand 160 states and 231 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 11:26:42,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:42,219 INFO L93 Difference]: Finished difference Result 368 states and 535 transitions. [2024-11-02 11:26:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:26:42,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 169 [2024-11-02 11:26:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:42,234 INFO L225 Difference]: With dead ends: 368 [2024-11-02 11:26:42,234 INFO L226 Difference]: Without dead ends: 264 [2024-11-02 11:26:42,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:26:42,236 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 39 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:42,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 261 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-02 11:26:42,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-02 11:26:42,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262. [2024-11-02 11:26:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 178 states have (on average 1.2921348314606742) internal successors, (230), 178 states have internal predecessors, (230), 75 states have call successors, (75), 8 states have call predecessors, (75), 8 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-02 11:26:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 380 transitions. [2024-11-02 11:26:42,284 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 380 transitions. Word has length 169 [2024-11-02 11:26:42,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:42,284 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 380 transitions. [2024-11-02 11:26:42,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 11:26:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 380 transitions. [2024-11-02 11:26:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-02 11:26:42,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:42,287 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:42,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 (7)] Ended with exit code 0 [2024-11-02 11:26:42,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:26:42,488 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:42,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:42,489 INFO L85 PathProgramCache]: Analyzing trace with hash -813187261, now seen corresponding path program 1 times [2024-11-02 11:26:42,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:26:42,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306350281] [2024-11-02 11:26:42,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:42,489 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 [2024-11-02 11:26:42,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:26:42,490 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:26:42,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc345f03-65e5-4092-873d-95b8e9491061/bin/utaipan-verify-DbMuA5NWw2/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 (8)] Waiting until timeout for monitored process