./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.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 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 00:56:49,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 00:56:49,191 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 00:56:49,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 00:56:49,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 00:56:49,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 00:56:49,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 00:56:49,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 00:56:49,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 00:56:49,229 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 00:56:49,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 00:56:49,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 00:56:49,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 00:56:49,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 00:56:49,232 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 00:56:49,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 00:56:49,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 00:56:49,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 00:56:49,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 00:56:49,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 00:56:49,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 00:56:49,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 00:56:49,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 00:56:49,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 00:56:49,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 00:56:49,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 00:56:49,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 00:56:49,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 00:56:49,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 00:56:49,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 00:56:49,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 00:56:49,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 00:56:49,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:56:49,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 00:56:49,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 00:56:49,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 00:56:49,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 00:56:49,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 00:56:49,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 00:56:49,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 00:56:49,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 00:56:49,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 00:56:49,242 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c [2024-11-19 00:56:49,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 00:56:49,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 00:56:49,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 00:56:49,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 00:56:49,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 00:56:49,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2024-11-19 00:56:50,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 00:56:51,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 00:56:51,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2024-11-19 00:56:51,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97e24037/ec4230dda5114dfc8b3800cf0c536614/FLAGbf7725a9d [2024-11-19 00:56:51,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97e24037/ec4230dda5114dfc8b3800cf0c536614 [2024-11-19 00:56:51,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 00:56:51,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 00:56:51,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 00:56:51,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 00:56:51,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 00:56:51,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b868120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51, skipping insertion in model container [2024-11-19 00:56:51,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 00:56:51,467 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/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2024-11-19 00:56:51,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:56:51,534 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 00:56:51,545 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/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2024-11-19 00:56:51,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:56:51,593 INFO L204 MainTranslator]: Completed translation [2024-11-19 00:56:51,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51 WrapperNode [2024-11-19 00:56:51,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 00:56:51,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 00:56:51,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 00:56:51,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 00:56:51,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,649 INFO L138 Inliner]: procedures = 29, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 427 [2024-11-19 00:56:51,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 00:56:51,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 00:56:51,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 00:56:51,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 00:56:51,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,709 INFO L175 MemorySlicer]: Split 101 memory accesses to 12 slices as follows [2, 12, 8, 17, 8, 8, 3, 6, 6, 8, 17, 6]. 17 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 5, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1]. [2024-11-19 00:56:51,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 00:56:51,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 00:56:51,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 00:56:51,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 00:56:51,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (1/1) ... [2024-11-19 00:56:51,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:56:51,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:56:51,811 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) [2024-11-19 00:56:51,819 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 [2024-11-19 00:56:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 00:56:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-19 00:56:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-19 00:56:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-19 00:56:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-19 00:56:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 00:56:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 00:56:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 00:56:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 00:56:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-19 00:56:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-19 00:56:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-19 00:56:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-19 00:56:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-19 00:56:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-19 00:56:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-19 00:56:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-19 00:56:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-19 00:56:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-19 00:56:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-19 00:56:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-19 00:56:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 00:56:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 00:56:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 00:56:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 00:56:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 00:56:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 00:56:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 00:56:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 00:56:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 00:56:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 00:56:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 00:56:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 00:56:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-19 00:56:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-19 00:56:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-19 00:56:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-19 00:56:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-19 00:56:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-19 00:56:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-19 00:56:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-19 00:56:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-19 00:56:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-19 00:56:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-19 00:56:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-19 00:56:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 00:56:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 00:56:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 00:56:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 00:56:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 00:56:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 00:56:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 00:56:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 00:56:52,080 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 00:56:52,082 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 00:56:52,629 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-19 00:56:52,629 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 00:56:52,648 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 00:56:52,649 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 00:56:52,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:56:52 BoogieIcfgContainer [2024-11-19 00:56:52,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 00:56:52,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 00:56:52,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 00:56:52,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 00:56:52,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:56:51" (1/3) ... [2024-11-19 00:56:52,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af4555c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:56:52, skipping insertion in model container [2024-11-19 00:56:52,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:56:51" (2/3) ... [2024-11-19 00:56:52,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af4555c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:56:52, skipping insertion in model container [2024-11-19 00:56:52,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:56:52" (3/3) ... [2024-11-19 00:56:52,663 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-46.i [2024-11-19 00:56:52,683 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 00:56:52,683 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 00:56:52,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 00:56:52,755 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;@27969153, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 00:56:52,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 00:56:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 00:56:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 00:56:52,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:56:52,780 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:56:52,780 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:56:52,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:56:52,786 INFO L85 PathProgramCache]: Analyzing trace with hash 302560543, now seen corresponding path program 1 times [2024-11-19 00:56:52,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:56:52,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701201882] [2024-11-19 00:56:52,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:56:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:56:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:56:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-19 00:56:53,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:56:53,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701201882] [2024-11-19 00:56:53,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701201882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:56:53,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211951013] [2024-11-19 00:56:53,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:56:53,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:56:53,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:56:53,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 00:56:53,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 00:56:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:56:53,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 00:56:53,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:56:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-19 00:56:53,541 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 00:56:53,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211951013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:56:53,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 00:56:53,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 00:56:53,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334079526] [2024-11-19 00:56:53,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:56:53,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 00:56:53,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:56:53,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 00:56:53,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:56:53,577 INFO L87 Difference]: Start difference. First operand has 101 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-19 00:56:53,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:56:53,611 INFO L93 Difference]: Finished difference Result 195 states and 302 transitions. [2024-11-19 00:56:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 00:56:53,614 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2024-11-19 00:56:53,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:56:53,625 INFO L225 Difference]: With dead ends: 195 [2024-11-19 00:56:53,626 INFO L226 Difference]: Without dead ends: 97 [2024-11-19 00:56:53,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:56:53,636 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 00:56:53,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:56:53,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-19 00:56:53,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-19 00:56:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 00:56:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2024-11-19 00:56:53,698 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 116 [2024-11-19 00:56:53,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:56:53,699 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2024-11-19 00:56:53,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-19 00:56:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2024-11-19 00:56:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 00:56:53,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:56:53,705 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:56:53,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 00:56:53,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 00:56:53,907 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:56:53,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:56:53,908 INFO L85 PathProgramCache]: Analyzing trace with hash 81671171, now seen corresponding path program 1 times [2024-11-19 00:56:53,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:56:53,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495365212] [2024-11-19 00:56:53,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:56:53,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:56:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:56:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-19 00:56:55,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:56:55,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495365212] [2024-11-19 00:56:55,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495365212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:56:55,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:56:55,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 00:56:55,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835111827] [2024-11-19 00:56:55,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:56:55,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 00:56:55,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:56:55,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 00:56:55,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-19 00:56:55,024 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-19 00:56:55,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:56:55,460 INFO L93 Difference]: Finished difference Result 348 states and 504 transitions. [2024-11-19 00:56:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 00:56:55,462 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2024-11-19 00:56:55,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:56:55,468 INFO L225 Difference]: With dead ends: 348 [2024-11-19 00:56:55,468 INFO L226 Difference]: Without dead ends: 254 [2024-11-19 00:56:55,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-19 00:56:55,470 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 382 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 00:56:55,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 875 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 00:56:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-19 00:56:55,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 249. [2024-11-19 00:56:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 216 states have (on average 1.412037037037037) internal successors, (305), 217 states have internal predecessors, (305), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-19 00:56:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 363 transitions. [2024-11-19 00:56:55,518 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 363 transitions. Word has length 116 [2024-11-19 00:56:55,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:56:55,519 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 363 transitions. [2024-11-19 00:56:55,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-19 00:56:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 363 transitions. [2024-11-19 00:56:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 00:56:55,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:56:55,522 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:56:55,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 00:56:55,523 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:56:55,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:56:55,523 INFO L85 PathProgramCache]: Analyzing trace with hash -505134843, now seen corresponding path program 1 times [2024-11-19 00:56:55,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:56:55,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50803211] [2024-11-19 00:56:55,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:56:55,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:56:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:56:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-19 00:56:56,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:56:56,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50803211] [2024-11-19 00:56:56,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50803211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:56:56,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:56:56,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 00:56:56,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982303215] [2024-11-19 00:56:56,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:56:56,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 00:56:56,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:56:56,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 00:56:56,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 00:56:56,039 INFO L87 Difference]: Start difference. First operand 249 states and 363 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-19 00:56:56,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:56:56,169 INFO L93 Difference]: Finished difference Result 747 states and 1092 transitions. [2024-11-19 00:56:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 00:56:56,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-19 00:56:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:56:56,177 INFO L225 Difference]: With dead ends: 747 [2024-11-19 00:56:56,178 INFO L226 Difference]: Without dead ends: 501 [2024-11-19 00:56:56,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 00:56:56,183 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 129 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 00:56:56,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 575 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 00:56:56,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-19 00:56:56,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 285. [2024-11-19 00:56:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 252 states have (on average 1.4087301587301588) internal successors, (355), 253 states have internal predecessors, (355), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-19 00:56:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 413 transitions. [2024-11-19 00:56:56,230 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 413 transitions. Word has length 116 [2024-11-19 00:56:56,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:56:56,231 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 413 transitions. [2024-11-19 00:56:56,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-19 00:56:56,232 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 413 transitions. [2024-11-19 00:56:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 00:56:56,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:56:56,235 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:56:56,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 00:56:56,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:56:56,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:56:56,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1577287888, now seen corresponding path program 1 times [2024-11-19 00:56:56,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:56:56,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521584229] [2024-11-19 00:56:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:56:56,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:56:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 00:56:56,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846509466] [2024-11-19 00:56:56,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:56:56,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:56:56,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:56:56,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 00:56:56,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 00:56:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:56:56,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 00:56:56,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:56:57,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 45 [2024-11-19 00:57:28,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2024-11-19 00:57:37,511 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-19 00:57:37,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 00:57:37,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:57:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521584229] [2024-11-19 00:57:37,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 00:57:37,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846509466] [2024-11-19 00:57:37,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846509466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:57:37,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:57:37,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 00:57:37,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932915847] [2024-11-19 00:57:37,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:57:37,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 00:57:37,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:57:37,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 00:57:37,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=39, Unknown=14, NotChecked=0, Total=72 [2024-11-19 00:57:37,520 INFO L87 Difference]: Start difference. First operand 285 states and 413 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-19 00:57:42,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:57:47,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:57:51,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:57:56,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:58:00,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:58:05,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:58:09,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:58:14,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:58:18,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:58:22,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:58:27,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-19 00:58:31,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]