./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i -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 635d22826d94d730e7ad3ae4f19cd66841ae17da2d3a120d8f593801b41e2197 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:37:25,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:37:25,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 11:37:25,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:37:25,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:37:25,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:37:25,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:37:25,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:37:25,492 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:37:25,493 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:37:25,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:37:25,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:37:25,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:37:25,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:37:25,495 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:37:25,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:37:25,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:37:25,496 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:37:25,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 11:37:25,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:37:25,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:37:25,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:37:25,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:37:25,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:37:25,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:37:25,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:37:25,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:37:25,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:37:25,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:37:25,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:37:25,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:37:25,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:37:25,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:37:25,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:37:25,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:37:25,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:37:25,502 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 11:37:25,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 11:37:25,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:37:25,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:37:25,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:37:25,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:37:25,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635d22826d94d730e7ad3ae4f19cd66841ae17da2d3a120d8f593801b41e2197 [2024-10-24 11:37:25,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:37:25,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:37:25,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:37:25,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:37:25,823 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:37:25,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i [2024-10-24 11:37:27,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:37:27,418 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:37:27,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i [2024-10-24 11:37:27,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bdc0cc65/829bbba8a06b45059c603dffa402ca09/FLAGacc70d589 [2024-10-24 11:37:27,444 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bdc0cc65/829bbba8a06b45059c603dffa402ca09 [2024-10-24 11:37:27,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:37:27,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:37:27,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:37:27,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:37:27,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:37:27,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725e636f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27, skipping insertion in model container [2024-10-24 11:37:27,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:37:27,642 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i[916,929] [2024-10-24 11:37:27,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:37:27,699 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:37:27,709 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i[916,929] [2024-10-24 11:37:27,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:37:27,761 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:37:27,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27 WrapperNode [2024-10-24 11:37:27,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:37:27,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:37:27,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:37:27,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:37:27,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,825 INFO L138 Inliner]: procedures = 29, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 509 [2024-10-24 11:37:27,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:37:27,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:37:27,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:37:27,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:37:27,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,887 INFO L175 MemorySlicer]: Split 120 memory accesses to 17 slices as follows [2, 3, 6, 10, 5, 7, 7, 6, 8, 4, 10, 9, 8, 10, 15, 3, 7]. 13 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-10-24 11:37:27,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:37:27,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:37:27,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:37:27,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:37:27,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (1/1) ... [2024-10-24 11:37:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:37:27,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:37:27,989 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) [2024-10-24 11:37:27,992 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 [2024-10-24 11:37:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:37:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-24 11:37:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-24 11:37:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-24 11:37:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-24 11:37:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-24 11:37:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-24 11:37:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-24 11:37:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-24 11:37:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-24 11:37:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-24 11:37:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-24 11:37:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-24 11:37:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-24 11:37:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-24 11:37:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-24 11:37:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-10-24 11:37:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-10-24 11:37:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 11:37:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 11:37:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 11:37:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 11:37:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 11:37:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 11:37:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 11:37:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 11:37:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 11:37:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 11:37:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 11:37:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 11:37:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 11:37:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 11:37:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 11:37:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 11:37:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 11:37:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-24 11:37:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-24 11:37:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-24 11:37:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-24 11:37:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-24 11:37:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-24 11:37:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-24 11:37:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-24 11:37:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-24 11:37:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-24 11:37:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-24 11:37:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-24 11:37:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-24 11:37:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-24 11:37:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-24 11:37:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-10-24 11:37:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-10-24 11:37:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 11:37:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 11:37:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 11:37:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 11:37:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 11:37:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 11:37:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 11:37:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 11:37:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 11:37:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 11:37:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-24 11:37:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-24 11:37:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-10-24 11:37:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-10-24 11:37:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-10-24 11:37:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:37:28,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:37:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 11:37:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 11:37:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 11:37:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 11:37:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 11:37:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 11:37:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 11:37:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 11:37:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 11:37:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 11:37:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 11:37:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 11:37:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 11:37:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 11:37:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 11:37:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 11:37:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 11:37:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:37:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:37:28,272 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:37:28,274 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:37:28,874 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-10-24 11:37:28,875 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:37:28,917 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:37:28,918 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:37:28,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:37:28 BoogieIcfgContainer [2024-10-24 11:37:28,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:37:28,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:37:28,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:37:28,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:37:28,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:37:27" (1/3) ... [2024-10-24 11:37:28,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efab47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:37:28, skipping insertion in model container [2024-10-24 11:37:28,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:27" (2/3) ... [2024-10-24 11:37:28,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efab47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:37:28, skipping insertion in model container [2024-10-24 11:37:28,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:37:28" (3/3) ... [2024-10-24 11:37:28,929 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-40.i [2024-10-24 11:37:28,945 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:37:28,946 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:37:29,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:37:29,029 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;@1c4a8286, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:37:29,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:37:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:37:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-24 11:37:29,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:37:29,048 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:37:29,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:37:29,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:37:29,053 INFO L85 PathProgramCache]: Analyzing trace with hash -398761096, now seen corresponding path program 1 times [2024-10-24 11:37:29,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:37:29,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905330556] [2024-10-24 11:37:29,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:37:29,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:37:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:37:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:37:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:37:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:37:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:37:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:37:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:37:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:37:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:37:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:37:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:37:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:37:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:37:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:37:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:37:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:37:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:37:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:37:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:37:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:37:29,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:37:29,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905330556] [2024-10-24 11:37:29,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905330556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:37:29,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:37:29,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:37:29,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752080530] [2024-10-24 11:37:29,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:37:29,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:37:29,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:37:29,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:37:29,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:37:29,666 INFO L87 Difference]: Start difference. First operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 11:37:29,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:37:29,790 INFO L93 Difference]: Finished difference Result 209 states and 337 transitions. [2024-10-24 11:37:29,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:37:29,793 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 145 [2024-10-24 11:37:29,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:37:29,800 INFO L225 Difference]: With dead ends: 209 [2024-10-24 11:37:29,801 INFO L226 Difference]: Without dead ends: 104 [2024-10-24 11:37:29,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:37:29,811 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:37:29,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:37:29,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-24 11:37:29,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-24 11:37:29,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:37:29,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 155 transitions. [2024-10-24 11:37:29,866 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 155 transitions. Word has length 145 [2024-10-24 11:37:29,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:37:29,868 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 155 transitions. [2024-10-24 11:37:29,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 11:37:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2024-10-24 11:37:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-24 11:37:29,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:37:29,873 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:37:29,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 11:37:29,874 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:37:29,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:37:29,875 INFO L85 PathProgramCache]: Analyzing trace with hash -473838262, now seen corresponding path program 1 times [2024-10-24 11:37:29,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:37:29,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523375773] [2024-10-24 11:37:29,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:37:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:37:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:37:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:37:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:37:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:37:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:37:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:37:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:37:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:37:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:37:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:37:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:37:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:37:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:37:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:37:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:37:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:37:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:37:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:37:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:37:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:37:30,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:37:30,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523375773] [2024-10-24 11:37:30,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523375773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:37:30,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:37:30,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:37:30,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739419402] [2024-10-24 11:37:30,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:37:30,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:37:30,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:37:30,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:37:30,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:37:30,398 INFO L87 Difference]: Start difference. First operand 104 states and 155 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:37:30,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:37:30,467 INFO L93 Difference]: Finished difference Result 209 states and 312 transitions. [2024-10-24 11:37:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:37:30,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2024-10-24 11:37:30,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:37:30,473 INFO L225 Difference]: With dead ends: 209 [2024-10-24 11:37:30,473 INFO L226 Difference]: Without dead ends: 106 [2024-10-24 11:37:30,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:37:30,476 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:37:30,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 440 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:37:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-24 11:37:30,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-10-24 11:37:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.4) internal successors, (119), 85 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:37:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 157 transitions. [2024-10-24 11:37:30,493 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 157 transitions. Word has length 145 [2024-10-24 11:37:30,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:37:30,495 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 157 transitions. [2024-10-24 11:37:30,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:37:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2024-10-24 11:37:30,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:37:30,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:37:30,498 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:37:30,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 11:37:30,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:37:30,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:37:30,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1196367013, now seen corresponding path program 1 times [2024-10-24 11:37:30,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:37:30,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102642680] [2024-10-24 11:37:30,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:37:30,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:37:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:37:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:37:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:37:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:37:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:37:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:37:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:37:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:37:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:37:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:37:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:37:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:37:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:37:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:37:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:37:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:37:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:37:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:37:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:37:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:37:30,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:37:30,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102642680] [2024-10-24 11:37:30,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102642680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:37:30,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:37:30,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:37:30,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616944739] [2024-10-24 11:37:30,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:37:30,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:37:30,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:37:30,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:37:30,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:37:30,798 INFO L87 Difference]: Start difference. First operand 106 states and 157 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:37:30,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:37:30,845 INFO L93 Difference]: Finished difference Result 214 states and 317 transitions. [2024-10-24 11:37:30,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:37:30,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-24 11:37:30,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:37:30,848 INFO L225 Difference]: With dead ends: 214 [2024-10-24 11:37:30,848 INFO L226 Difference]: Without dead ends: 109 [2024-10-24 11:37:30,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:37:30,850 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:37:30,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 437 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:37:30,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-24 11:37:30,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-10-24 11:37:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 87 states have internal predecessors, (121), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:37:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2024-10-24 11:37:30,869 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 148 [2024-10-24 11:37:30,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:37:30,869 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2024-10-24 11:37:30,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:37:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2024-10-24 11:37:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:37:30,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:37:30,877 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:37:30,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 11:37:30,877 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:37:30,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:37:30,878 INFO L85 PathProgramCache]: Analyzing trace with hash 387020387, now seen corresponding path program 1 times [2024-10-24 11:37:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:37:30,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410497322] [2024-10-24 11:37:30,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:37:30,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:37:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:37:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:37:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:37:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:37:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:37:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:37:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:37:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:37:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:37:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:37:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:37:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 11:37:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 11:37:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 11:37:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:37:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:37:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:37:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:37:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:37:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:37:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:37:31,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:37:31,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410497322] [2024-10-24 11:37:31,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410497322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:37:31,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:37:31,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 11:37:31,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315579356] [2024-10-24 11:37:31,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:37:31,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 11:37:31,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:37:31,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 11:37:31,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:37:31,126 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:37:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:37:31,166 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2024-10-24 11:37:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 11:37:31,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-24 11:37:31,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:37:31,169 INFO L225 Difference]: With dead ends: 218 [2024-10-24 11:37:31,169 INFO L226 Difference]: Without dead ends: 111 [2024-10-24 11:37:31,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 11:37:31,174 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:37:31,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 441 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:37:31,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-24 11:37:31,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-10-24 11:37:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 11:37:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2024-10-24 11:37:31,188 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 148 [2024-10-24 11:37:31,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:37:31,189 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2024-10-24 11:37:31,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-24 11:37:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2024-10-24 11:37:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:37:31,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:37:31,192 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:37:31,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 11:37:31,192 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:37:31,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:37:31,193 INFO L85 PathProgramCache]: Analyzing trace with hash 387079969, now seen corresponding path program 1 times [2024-10-24 11:37:31,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:37:31,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986027317] [2024-10-24 11:37:31,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:37:31,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:37:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat