./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:39:39,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:39:39,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:39:39,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:39:39,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:39:39,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:39:39,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:39:39,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:39:39,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:39:39,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:39:39,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:39:39,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:39:39,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:39:39,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:39:39,244 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:39:39,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:39:39,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:39:39,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:39:39,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:39:39,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:39:39,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:39:39,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:39:39,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:39:39,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:39:39,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:39:39,248 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:39:39,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:39:39,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:39:39,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:39:39,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:39:39,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:39:39,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:39:39,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:39:39,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:39:39,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:39:39,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:39:39,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:39:39,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:39:39,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:39:39,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 [2024-11-16 20:39:39,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:39:39,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:39:39,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:39:39,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:39:39,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:39:39,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-11-16 20:39:40,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:39:41,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:39:41,317 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-11-16 20:39:41,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77d76ef6/d6eb40dc278542dcb6457c9dae13ccb3/FLAGab3d4f748 [2024-11-16 20:39:41,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77d76ef6/d6eb40dc278542dcb6457c9dae13ccb3 [2024-11-16 20:39:41,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:39:41,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:39:41,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:39:41,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:39:41,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:39:41,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:39:41" (1/1) ... [2024-11-16 20:39:41,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b65b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:41, skipping insertion in model container [2024-11-16 20:39:41,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:39:41" (1/1) ... [2024-11-16 20:39:41,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:39:42,137 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/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2024-11-16 20:39:42,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:39:42,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:39:42,313 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/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2024-11-16 20:39:42,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:39:42,371 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:39:42,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42 WrapperNode [2024-11-16 20:39:42,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:39:42,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:39:42,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:39:42,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:39:42,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,488 INFO L138 Inliner]: procedures = 102, calls = 421, calls flagged for inlining = 49, calls inlined = 44, statements flattened = 1156 [2024-11-16 20:39:42,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:39:42,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:39:42,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:39:42,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:39:42,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,519 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,649 INFO L175 MemorySlicer]: Split 233 memory accesses to 13 slices as follows [2, 18, 7, 5, 6, 161, 10, 3, 3, 2, 4, 4, 8]. 69 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [2, 0, 7, 5, 6, 14, 0, 3, 3, 2, 3, 3, 0]. The 80 writes are split as follows [0, 14, 0, 0, 0, 66, 0, 0, 0, 0, 0, 0, 0]. [2024-11-16 20:39:42,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:39:42,753 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:39:42,753 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:39:42,753 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:39:42,756 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (1/1) ... [2024-11-16 20:39:42,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:39:42,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:39:42,790 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) [2024-11-16 20:39:42,791 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 [2024-11-16 20:39:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:39:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:39:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:39:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:39:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:39:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:39:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:39:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 20:39:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 20:39:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-16 20:39:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-16 20:39:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-16 20:39:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-16 20:39:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 20:39:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 20:39:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 20:39:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 20:39:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 20:39:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:39:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-16 20:39:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:39:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:39:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:39:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:39:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:39:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:39:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:39:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 20:39:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 20:39:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 20:39:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-16 20:39:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:39:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 20:39:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-16 20:39:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-16 20:39:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2024-11-16 20:39:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2024-11-16 20:39:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:39:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:39:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2024-11-16 20:39:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2024-11-16 20:39:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:39:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:39:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:39:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:39:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:39:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:39:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:39:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 20:39:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 20:39:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-16 20:39:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-16 20:39:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-16 20:39:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-16 20:39:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-16 20:39:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-16 20:39:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:39:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2024-11-16 20:39:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2024-11-16 20:39:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:39:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:39:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:39:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:39:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:39:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:39:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:39:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 20:39:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 20:39:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-16 20:39:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-16 20:39:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-16 20:39:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-16 20:39:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-16 20:39:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-16 20:39:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2024-11-16 20:39:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2024-11-16 20:39:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-16 20:39:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-16 20:39:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-16 20:39:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-16 20:39:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-16 20:39:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-16 20:39:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-16 20:39:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-16 20:39:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-16 20:39:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-16 20:39:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-16 20:39:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-16 20:39:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-16 20:39:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-16 20:39:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-16 20:39:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-16 20:39:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:39:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:39:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:39:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:39:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:39:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:39:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:39:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 20:39:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 20:39:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 20:39:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 20:39:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 20:39:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 20:39:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-16 20:39:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-16 20:39:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2024-11-16 20:39:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2024-11-16 20:39:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 20:39:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 20:39:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 20:39:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 20:39:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 20:39:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 20:39:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 20:39:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 20:39:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-16 20:39:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-16 20:39:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-16 20:39:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-16 20:39:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-16 20:39:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-16 20:39:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-16 20:39:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:39:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:39:43,246 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:39:43,249 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:39:43,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1636: havoc ~res~0#1.base, ~res~0#1.offset; [2024-11-16 20:39:43,442 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1567: havoc __fswab16_#t~bitwise1#1; [2024-11-16 20:39:43,451 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2554: havoc #t~nondet270; [2024-11-16 20:39:43,555 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2561: havoc ipmi_request_settime_#t~nondet271#1; [2024-11-16 20:39:43,556 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2573: havoc ipmi_validate_addr_#t~nondet274#1; [2024-11-16 20:39:43,574 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2531: havoc #t~nondet266; [2024-11-16 20:39:43,600 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1646: havoc __kmalloc_#t~ret39#1.base, __kmalloc_#t~ret39#1.offset; [2024-11-16 20:39:48,445 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1605: call ULTIMATE.dealloc(init_completion_~#__key~0#1.base, init_completion_~#__key~0#1.offset);havoc init_completion_~#__key~0#1.base, init_completion_~#__key~0#1.offset; [2024-11-16 20:39:48,445 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2332: call ULTIMATE.dealloc(main_~#var_group2~0#1.base, main_~#var_group2~0#1.offset);havoc main_~#var_group2~0#1.base, main_~#var_group2~0#1.offset;call ULTIMATE.dealloc(main_~#var_ibmpex_msg_handler_20_p1~0#1.base, main_~#var_ibmpex_msg_handler_20_p1~0#1.offset);havoc main_~#var_ibmpex_msg_handler_20_p1~0#1.base, main_~#var_ibmpex_msg_handler_20_p1~0#1.offset; [2024-11-16 20:39:48,446 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2565: havoc ipmi_smi_watcher_register_#t~nondet272#1; [2024-11-16 20:39:48,446 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2136: call ULTIMATE.dealloc(ibmpex_register_bmc_~#__key~1#1.base, ibmpex_register_bmc_~#__key~1#1.offset);havoc ibmpex_register_bmc_~#__key~1#1.base, ibmpex_register_bmc_~#__key~1#1.offset; [2024-11-16 20:39:48,446 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2550: havoc ipmi_create_user_#t~nondet269#1; [2024-11-16 20:39:48,446 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2569: havoc ipmi_smi_watcher_unregister_#t~nondet273#1; [2024-11-16 20:39:48,446 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2524: havoc _dev_info_#t~nondet265#1; [2024-11-16 20:39:48,447 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2543: havoc hwmon_device_register_#t~ret268#1.base, hwmon_device_register_#t~ret268#1.offset; [2024-11-16 20:39:48,447 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1752: havoc ibmpex_query_sensor_count_#t~mem94#1; [2024-11-16 20:39:48,584 INFO L? ?]: Removed 485 outVars from TransFormulas that were not future-live. [2024-11-16 20:39:48,584 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:39:48,625 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:39:48,627 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:39:48,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:39:48 BoogieIcfgContainer [2024-11-16 20:39:48,628 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:39:48,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:39:48,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:39:48,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:39:48,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:39:41" (1/3) ... [2024-11-16 20:39:48,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e5bcd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:39:48, skipping insertion in model container [2024-11-16 20:39:48,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:42" (2/3) ... [2024-11-16 20:39:48,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e5bcd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:39:48, skipping insertion in model container [2024-11-16 20:39:48,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:39:48" (3/3) ... [2024-11-16 20:39:48,640 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-11-16 20:39:48,657 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:39:48,657 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:39:48,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:39:48,745 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;@6143d17f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:39:48,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:39:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 318 states, 244 states have (on average 1.278688524590164) internal successors, (312), 250 states have internal predecessors, (312), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 20:39:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-16 20:39:48,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:39:48,774 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:39:48,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:39:48,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:39:48,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1385565929, now seen corresponding path program 1 times [2024-11-16 20:39:48,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:39:48,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621400658] [2024-11-16 20:39:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:39:48,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:39:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:39:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:39:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 20:39:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:39:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:39:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:39:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:39:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 20:39:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 20:39:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 20:39:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 20:39:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 20:39:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 20:39:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:39:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:39:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 20:39:49,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:39:49,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621400658] [2024-11-16 20:39:49,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621400658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:39:49,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:39:49,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 20:39:49,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125237114] [2024-11-16 20:39:49,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:39:49,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:39:49,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:39:50,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:39:50,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:39:50,015 INFO L87 Difference]: Start difference. First operand has 318 states, 244 states have (on average 1.278688524590164) internal successors, (312), 250 states have internal predecessors, (312), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 20:39:54,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:39:58,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:39:59,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:39:59,205 INFO L93 Difference]: Finished difference Result 657 states and 883 transitions. [2024-11-16 20:39:59,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:39:59,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2024-11-16 20:39:59,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:39:59,225 INFO L225 Difference]: With dead ends: 657 [2024-11-16 20:39:59,226 INFO L226 Difference]: Without dead ends: 333 [2024-11-16 20:39:59,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:39:59,237 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 198 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 129 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-16 20:39:59,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1158 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 658 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-11-16 20:39:59,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-16 20:39:59,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 303. [2024-11-16 20:39:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 233 states have (on average 1.2660944206008584) internal successors, (295), 237 states have internal predecessors, (295), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 20:39:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 397 transitions. [2024-11-16 20:39:59,324 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 397 transitions. Word has length 128 [2024-11-16 20:39:59,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:39:59,326 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 397 transitions. [2024-11-16 20:39:59,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 20:39:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 397 transitions. [2024-11-16 20:39:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 20:39:59,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:39:59,336 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:39:59,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:39:59,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:39:59,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:39:59,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2119808374, now seen corresponding path program 1 times [2024-11-16 20:39:59,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:39:59,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071354511] [2024-11-16 20:39:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:39:59,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:39:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:39:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:39:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 20:39:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:39:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:39:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:39:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:39:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 20:39:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 20:39:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:39:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 20:39:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 20:39:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:39:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:39:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:39:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:39:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:39:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 20:39:59,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:39:59,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071354511] [2024-11-16 20:39:59,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071354511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:39:59,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:39:59,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:39:59,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502947405] [2024-11-16 20:39:59,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:39:59,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:39:59,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:39:59,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:39:59,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:39:59,839 INFO L87 Difference]: Start difference. First operand 303 states and 397 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 20:40:03,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:07,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:40:08,582 INFO L93 Difference]: Finished difference Result 629 states and 831 transitions. [2024-11-16 20:40:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 20:40:08,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2024-11-16 20:40:08,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:40:08,586 INFO L225 Difference]: With dead ends: 629 [2024-11-16 20:40:08,587 INFO L226 Difference]: Without dead ends: 334 [2024-11-16 20:40:08,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:40:08,589 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 198 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 125 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:40:08,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 857 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 477 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2024-11-16 20:40:08,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-16 20:40:08,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 304. [2024-11-16 20:40:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 234 states have (on average 1.264957264957265) internal successors, (296), 238 states have internal predecessors, (296), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 20:40:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 398 transitions. [2024-11-16 20:40:08,613 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 398 transitions. Word has length 139 [2024-11-16 20:40:08,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:40:08,613 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 398 transitions. [2024-11-16 20:40:08,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 20:40:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 398 transitions. [2024-11-16 20:40:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 20:40:08,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:40:08,617 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:40:08,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:40:08,617 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:40:08,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:40:08,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1336429399, now seen corresponding path program 1 times [2024-11-16 20:40:08,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:40:08,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810725442] [2024-11-16 20:40:08,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:40:08,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:40:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:40:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:40:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 20:40:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:40:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:40:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 20:40:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 20:40:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:40:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 20:40:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 20:40:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:40:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:40:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 20:40:09,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:40:09,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810725442] [2024-11-16 20:40:09,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810725442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:40:09,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:40:09,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 20:40:09,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305175333] [2024-11-16 20:40:09,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:40:09,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:40:09,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:40:09,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:40:09,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:40:09,144 INFO L87 Difference]: Start difference. First operand 304 states and 398 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 20:40:13,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:17,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:17,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:40:17,916 INFO L93 Difference]: Finished difference Result 632 states and 834 transitions. [2024-11-16 20:40:17,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:40:17,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2024-11-16 20:40:17,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:40:17,921 INFO L225 Difference]: With dead ends: 632 [2024-11-16 20:40:17,921 INFO L226 Difference]: Without dead ends: 336 [2024-11-16 20:40:17,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:40:17,923 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 198 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 123 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:40:17,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1076 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 654 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2024-11-16 20:40:17,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-16 20:40:17,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 306. [2024-11-16 20:40:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 236 states have (on average 1.2627118644067796) internal successors, (298), 240 states have internal predecessors, (298), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 20:40:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 400 transitions. [2024-11-16 20:40:17,952 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 400 transitions. Word has length 139 [2024-11-16 20:40:17,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:40:17,953 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 400 transitions. [2024-11-16 20:40:17,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 20:40:17,953 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 400 transitions. [2024-11-16 20:40:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 20:40:17,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:40:17,959 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:40:17,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 20:40:17,960 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:40:17,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:40:17,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2038029273, now seen corresponding path program 1 times [2024-11-16 20:40:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:40:17,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443369763] [2024-11-16 20:40:17,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:40:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:40:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:40:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:40:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 20:40:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:40:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:40:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 20:40:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 20:40:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:40:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 20:40:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 20:40:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:40:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:40:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 20:40:18,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:40:18,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443369763] [2024-11-16 20:40:18,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443369763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:40:18,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:40:18,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 20:40:18,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355648213] [2024-11-16 20:40:18,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:40:18,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 20:40:18,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:40:18,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 20:40:18,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:40:18,838 INFO L87 Difference]: Start difference. First operand 306 states and 400 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 20:40:22,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:26,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:30,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:34,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:40:36,714 INFO L93 Difference]: Finished difference Result 985 states and 1310 transitions. [2024-11-16 20:40:36,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 20:40:36,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2024-11-16 20:40:36,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:40:36,726 INFO L225 Difference]: With dead ends: 985 [2024-11-16 20:40:36,726 INFO L226 Difference]: Without dead ends: 980 [2024-11-16 20:40:36,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-16 20:40:36,728 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 1025 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 366 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:40:36,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1475 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 1064 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2024-11-16 20:40:36,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-16 20:40:36,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 890. [2024-11-16 20:40:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 688 states have (on average 1.2645348837209303) internal successors, (870), 698 states have internal predecessors, (870), 150 states have call successors, (150), 52 states have call predecessors, (150), 51 states have return successors, (152), 148 states have call predecessors, (152), 148 states have call successors, (152) [2024-11-16 20:40:36,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1172 transitions. [2024-11-16 20:40:36,808 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1172 transitions. Word has length 139 [2024-11-16 20:40:36,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:40:36,809 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1172 transitions. [2024-11-16 20:40:36,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 20:40:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1172 transitions. [2024-11-16 20:40:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 20:40:36,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:40:36,812 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:40:36,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 20:40:36,812 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:40:36,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:40:36,813 INFO L85 PathProgramCache]: Analyzing trace with hash 473812954, now seen corresponding path program 1 times [2024-11-16 20:40:36,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:40:36,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926220946] [2024-11-16 20:40:36,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:40:36,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:40:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:40:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:40:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 20:40:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:40:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:40:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 20:40:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 20:40:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:40:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 20:40:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 20:40:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:40:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:40:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 20:40:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 20:40:37,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:40:37,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926220946] [2024-11-16 20:40:37,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926220946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:40:37,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639113730] [2024-11-16 20:40:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:40:37,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:40:37,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:40:37,355 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) [2024-11-16 20:40:37,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 20:40:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:38,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 20:40:38,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:40:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 20:40:38,239 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:40:38,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639113730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:40:38,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:40:38,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-16 20:40:38,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655576341] [2024-11-16 20:40:38,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:40:38,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 20:40:38,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:40:38,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 20:40:38,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:40:38,243 INFO L87 Difference]: Start difference. First operand 890 states and 1172 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-16 20:40:42,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:42,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:40:42,338 INFO L93 Difference]: Finished difference Result 1775 states and 2340 transitions. [2024-11-16 20:40:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 20:40:42,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 149 [2024-11-16 20:40:42,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:40:42,349 INFO L225 Difference]: With dead ends: 1775 [2024-11-16 20:40:42,350 INFO L226 Difference]: Without dead ends: 1477 [2024-11-16 20:40:42,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:40:42,354 INFO L432 NwaCegarLoop]: 741 mSDtfsCounter, 377 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-16 20:40:42,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1128 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-16 20:40:42,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2024-11-16 20:40:42,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1182. [2024-11-16 20:40:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 914 states have (on average 1.263676148796499) internal successors, (1155), 927 states have internal predecessors, (1155), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-16 20:40:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1555 transitions. [2024-11-16 20:40:42,464 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1555 transitions. Word has length 149 [2024-11-16 20:40:42,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:40:42,467 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1555 transitions. [2024-11-16 20:40:42,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-16 20:40:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1555 transitions. [2024-11-16 20:40:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-16 20:40:42,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:40:42,472 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:40:42,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 20:40:42,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:40:42,676 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:40:42,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:40:42,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2110163773, now seen corresponding path program 1 times [2024-11-16 20:40:42,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:40:42,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971661557] [2024-11-16 20:40:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:40:42,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:40:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:40:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:40:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 20:40:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:40:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:40:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 20:40:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 20:40:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:40:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 20:40:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 20:40:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:40:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:40:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 20:40:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 20:40:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 20:40:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-16 20:40:43,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:40:43,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971661557] [2024-11-16 20:40:43,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971661557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:40:43,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:40:43,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 20:40:43,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950356095] [2024-11-16 20:40:43,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:40:43,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:40:43,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:40:43,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:40:43,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:40:43,316 INFO L87 Difference]: Start difference. First operand 1182 states and 1555 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 20:40:47,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:51,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:40:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:40:52,205 INFO L93 Difference]: Finished difference Result 2484 states and 3289 transitions. [2024-11-16 20:40:52,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:40:52,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 197 [2024-11-16 20:40:52,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:40:52,213 INFO L225 Difference]: With dead ends: 2484 [2024-11-16 20:40:52,213 INFO L226 Difference]: Without dead ends: 1310 [2024-11-16 20:40:52,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:40:52,218 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 198 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 122 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-16 20:40:52,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1088 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 636 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2024-11-16 20:40:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2024-11-16 20:40:52,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1190. [2024-11-16 20:40:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 922 states have (on average 1.2613882863340564) internal successors, (1163), 935 states have internal predecessors, (1163), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-16 20:40:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1563 transitions. [2024-11-16 20:40:52,278 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1563 transitions. Word has length 197 [2024-11-16 20:40:52,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:40:52,279 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 1563 transitions. [2024-11-16 20:40:52,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 20:40:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1563 transitions. [2024-11-16 20:40:52,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 20:40:52,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:40:52,283 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:40:52,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 20:40:52,283 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:40:52,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:40:52,284 INFO L85 PathProgramCache]: Analyzing trace with hash 987084800, now seen corresponding path program 1 times [2024-11-16 20:40:52,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:40:52,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444615731] [2024-11-16 20:40:52,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:40:52,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:40:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:40:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:40:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 20:40:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:40:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:40:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 20:40:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 20:40:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:40:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 20:40:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 20:40:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:40:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:40:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:40:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 20:40:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 20:40:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 20:40:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:40:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:40:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-16 20:40:52,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:40:52,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444615731] [2024-11-16 20:40:52,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444615731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:40:52,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:40:52,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 20:40:52,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004632007] [2024-11-16 20:40:52,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:40:52,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:40:52,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:40:52,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:40:52,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:40:52,967 INFO L87 Difference]: Start difference. First operand 1190 states and 1563 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 20:40:56,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:41:00,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:41:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:41:01,936 INFO L93 Difference]: Finished difference Result 2500 states and 3305 transitions. [2024-11-16 20:41:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:41:01,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 198 [2024-11-16 20:41:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:41:01,944 INFO L225 Difference]: With dead ends: 2500 [2024-11-16 20:41:01,944 INFO L226 Difference]: Without dead ends: 1318 [2024-11-16 20:41:01,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:41:01,948 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 214 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 124 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-16 20:41:01,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 1057 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 654 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-11-16 20:41:01,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2024-11-16 20:41:01,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1198. [2024-11-16 20:41:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 930 states have (on average 1.2591397849462365) internal successors, (1171), 943 states have internal predecessors, (1171), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-16 20:41:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1571 transitions. [2024-11-16 20:41:02,008 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1571 transitions. Word has length 198 [2024-11-16 20:41:02,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:41:02,009 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 1571 transitions. [2024-11-16 20:41:02,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 20:41:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1571 transitions. [2024-11-16 20:41:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 20:41:02,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:02,014 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:02,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 20:41:02,014 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:02,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:02,015 INFO L85 PathProgramCache]: Analyzing trace with hash 506004542, now seen corresponding path program 1 times [2024-11-16 20:41:02,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:02,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122776673] [2024-11-16 20:41:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:41:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:41:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 20:41:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 20:41:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:41:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 20:41:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 20:41:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 20:41:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 20:41:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 20:41:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 20:41:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 20:41:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 20:41:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:41:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 20:41:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 20:41:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 20:41:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:41:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:41:02,574 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-16 20:41:02,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:41:02,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122776673] [2024-11-16 20:41:02,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122776673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:41:02,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:41:02,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 20:41:02,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009937033] [2024-11-16 20:41:02,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:41:02,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:41:02,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:41:02,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:41:02,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:41:02,576 INFO L87 Difference]: Start difference. First operand 1198 states and 1571 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 20:41:06,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:41:10,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:41:11,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:41:11,413 INFO L93 Difference]: Finished difference Result 2516 states and 3321 transitions. [2024-11-16 20:41:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 20:41:11,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 198 [2024-11-16 20:41:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:41:11,421 INFO L225 Difference]: With dead ends: 2516 [2024-11-16 20:41:11,422 INFO L226 Difference]: Without dead ends: 1326 [2024-11-16 20:41:11,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 20:41:11,427 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 198 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 122 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:41:11,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1087 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 637 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2024-11-16 20:41:11,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-16 20:41:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1206. [2024-11-16 20:41:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 938 states have (on average 1.2569296375266525) internal successors, (1179), 951 states have internal predecessors, (1179), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-11-16 20:41:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1579 transitions. [2024-11-16 20:41:11,489 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1579 transitions. Word has length 198 [2024-11-16 20:41:11,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:41:11,489 INFO L471 AbstractCegarLoop]: Abstraction has 1206 states and 1579 transitions. [2024-11-16 20:41:11,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 20:41:11,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1579 transitions. [2024-11-16 20:41:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 20:41:11,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:41:11,493 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:41:11,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 20:41:11,493 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:41:11,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:41:11,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1916600639, now seen corresponding path program 1 times [2024-11-16 20:41:11,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:41:11,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147395326] [2024-11-16 20:41:11,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:41:11,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms