./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem07_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem07_label56.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15ed19eb5795bed80c0398d5ac36df37e483370c3431a4e2b1af686401d8c839 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 19:06:09,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 19:06:10,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 19:06:10,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 19:06:10,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 19:06:10,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 19:06:10,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 19:06:10,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 19:06:10,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 19:06:10,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 19:06:10,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 19:06:10,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 19:06:10,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 19:06:10,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 19:06:10,046 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 19:06:10,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 19:06:10,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 19:06:10,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 19:06:10,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 19:06:10,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 19:06:10,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 19:06:10,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 19:06:10,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 19:06:10,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 19:06:10,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 19:06:10,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 19:06:10,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 19:06:10,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 19:06:10,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 19:06:10,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 19:06:10,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 19:06:10,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 19:06:10,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 19:06:10,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 19:06:10,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 19:06:10,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 19:06:10,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 19:06:10,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 19:06:10,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 19:06:10,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 19:06:10,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 19:06:10,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 19:06:10,059 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15ed19eb5795bed80c0398d5ac36df37e483370c3431a4e2b1af686401d8c839 [2024-11-09 19:06:10,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 19:06:10,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 19:06:10,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 19:06:10,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 19:06:10,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 19:06:10,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label56.c [2024-11-09 19:06:11,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 19:06:12,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 19:06:12,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label56.c [2024-11-09 19:06:12,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16dc94a19/e76f7a2853ba4a69bdd127f6d289062e/FLAGf2ed99c3c [2024-11-09 19:06:13,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16dc94a19/e76f7a2853ba4a69bdd127f6d289062e [2024-11-09 19:06:13,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 19:06:13,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 19:06:13,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 19:06:13,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 19:06:13,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 19:06:13,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:06:13" (1/1) ... [2024-11-09 19:06:13,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d95384a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:13, skipping insertion in model container [2024-11-09 19:06:13,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:06:13" (1/1) ... [2024-11-09 19:06:13,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 19:06:20,317 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label56.c[2773929,2773942] [2024-11-09 19:06:20,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 19:06:20,369 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 19:06:24,846 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label56.c[2773929,2773942] [2024-11-09 19:06:24,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 19:06:25,426 INFO L204 MainTranslator]: Completed translation [2024-11-09 19:06:25,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25 WrapperNode [2024-11-09 19:06:25,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 19:06:25,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 19:06:25,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 19:06:25,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 19:06:25,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:26,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:28,217 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818 [2024-11-09 19:06:28,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 19:06:28,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 19:06:28,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 19:06:28,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 19:06:28,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:28,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:28,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:28,972 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 19:06:28,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:28,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:29,679 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:29,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:29,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:29,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:30,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 19:06:30,093 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 19:06:30,094 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 19:06:30,094 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 19:06:30,094 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (1/1) ... [2024-11-09 19:06:30,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 19:06:30,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 19:06:30,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 19:06:30,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 19:06:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 19:06:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 19:06:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 19:06:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 19:06:30,276 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 19:06:30,278 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 19:07:11,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L27467: havoc calculate_output17_#t~ret67#1; [2024-11-09 19:07:11,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L30640: havoc calculate_output19_#t~ret69#1; [2024-11-09 19:07:11,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L33854: havoc calculate_output21_#t~ret71#1; [2024-11-09 19:07:11,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L37043: havoc calculate_output23_#t~ret73#1; [2024-11-09 19:07:11,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L40256: havoc calculate_output25_#t~ret75#1; [2024-11-09 19:07:11,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L43471: havoc calculate_output27_#t~ret77#1; [2024-11-09 19:07:11,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3372: havoc calculate_output2_#t~ret52#1; [2024-11-09 19:07:11,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6563: havoc calculate_output4_#t~ret54#1; [2024-11-09 19:07:11,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L49913: havoc calculate_output31_#t~ret81#1; [2024-11-09 19:07:11,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L46748: havoc calculate_output29_#t~ret79#1; [2024-11-09 19:07:11,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L53127: havoc calculate_output33_#t~ret83#1; [2024-11-09 19:07:11,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9794: havoc calculate_output6_#t~ret56#1; [2024-11-09 19:07:11,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L12979: havoc calculate_output8_#t~ret58#1; [2024-11-09 19:07:11,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L56318: havoc calculate_output35_#t~ret85#1; [2024-11-09 19:07:11,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L59517: havoc calculate_output37_#t~ret87#1; [2024-11-09 19:07:11,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L69030: havoc calculate_output43_#t~ret93#1; [2024-11-09 19:07:11,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L72221: havoc calculate_output45_#t~ret95#1; [2024-11-09 19:07:11,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L65884: havoc calculate_output41_#t~ret91#1; [2024-11-09 19:07:11,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L62714: havoc calculate_output39_#t~ret89#1; [2024-11-09 19:07:11,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L16222: havoc calculate_output10_#t~ret60#1; [2024-11-09 19:07:11,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L19405: havoc calculate_output12_#t~ret62#1; [2024-11-09 19:07:11,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L22614: havoc calculate_output14_#t~ret64#1; [2024-11-09 19:07:11,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L25853: havoc calculate_output16_#t~ret66#1; [2024-11-09 19:07:11,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L29057: havoc calculate_output18_#t~ret68#1; [2024-11-09 19:07:11,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L32235: havoc calculate_output20_#t~ret70#1; [2024-11-09 19:07:11,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L35476: havoc calculate_output22_#t~ret72#1; [2024-11-09 19:07:11,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L38653: havoc calculate_output24_#t~ret74#1; [2024-11-09 19:07:11,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L41837: havoc calculate_output26_#t~ret76#1; [2024-11-09 19:07:11,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1749: havoc calculate_output_#t~ret51#1; [2024-11-09 19:07:11,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L45097: havoc calculate_output28_#t~ret78#1; [2024-11-09 19:07:11,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4964: havoc calculate_output3_#t~ret53#1; [2024-11-09 19:07:11,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L48330: havoc calculate_output30_#t~ret80#1; [2024-11-09 19:07:11,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8188: havoc calculate_output5_#t~ret55#1; [2024-11-09 19:07:11,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L51530: havoc calculate_output32_#t~ret82#1; [2024-11-09 19:07:11,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L54714: havoc calculate_output34_#t~ret84#1; [2024-11-09 19:07:11,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L11383: havoc calculate_output7_#t~ret57#1; [2024-11-09 19:07:11,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L57918: havoc calculate_output36_#t~ret86#1; [2024-11-09 19:07:11,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L70609: havoc calculate_output44_#t~ret94#1; [2024-11-09 19:07:11,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L14598: havoc calculate_output9_#t~ret59#1; [2024-11-09 19:07:11,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L67453: havoc calculate_output42_#t~ret92#1; [2024-11-09 19:07:11,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L61118: havoc calculate_output38_#t~ret88#1; [2024-11-09 19:07:11,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L17804: havoc calculate_output11_#t~ret61#1; [2024-11-09 19:07:11,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L64314: havoc calculate_output40_#t~ret90#1; [2024-11-09 19:07:11,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L21037: havoc calculate_output13_#t~ret63#1; [2024-11-09 19:07:11,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L24228: havoc calculate_output15_#t~ret65#1; [2024-11-09 19:07:13,763 INFO L? ?]: Removed 29934 outVars from TransFormulas that were not future-live. [2024-11-09 19:07:13,763 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 19:07:13,866 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 19:07:13,866 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 19:07:13,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 07:07:13 BoogieIcfgContainer [2024-11-09 19:07:13,867 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 19:07:13,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 19:07:13,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 19:07:13,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 19:07:13,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:06:13" (1/3) ... [2024-11-09 19:07:13,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b37bd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:07:13, skipping insertion in model container [2024-11-09 19:07:13,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:06:25" (2/3) ... [2024-11-09 19:07:13,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b37bd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:07:13, skipping insertion in model container [2024-11-09 19:07:13,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 07:07:13" (3/3) ... [2024-11-09 19:07:13,873 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label56.c [2024-11-09 19:07:13,884 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 19:07:13,885 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 19:07:14,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 19:07:14,062 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=PETRI_NET, 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;@125b46f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 19:07:14,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 19:07:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 10260 states, 10258 states have (on average 2.9496977968414897) internal successors, (30258), 10259 states have internal predecessors, (30258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 19:07:14,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10131 [2024-11-09 19:07:14,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 19:07:14,644 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 19:07:14,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 19:07:14,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 19:07:14,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1498575049, now seen corresponding path program 1 times [2024-11-09 19:07:14,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 19:07:14,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81700445] [2024-11-09 19:07:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 19:07:14,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 19:07:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat